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UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 rev. 1 ? 4 april 2011 user manual document information info content keywords greenchip iii, tea1753, greenchip control ic, te a1703, gree nchip sr, tea1791, pfc, flyback, synchronous rectification, high efficiency, power-down functionality for very low standby power, adapter, notebook, pc power abstract this manual provides the specificatio n, performance, schematics, bill of materials and pcb layout of a 90 w notebook adapter using the tea1753, tea1703 and tea1791. please refer to the relevant application notes for design details on the tea1753, tea1703 and tea1791. free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 2 of 33 contact information for more information, please visit: http://www.nxp.com for sales office addresses, please send an email to: salesaddresses@nxp.com nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 revision history rev date description v.1 20110404 first draft free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 3 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 1. introduction this manual describes a universal input, 19.5 v, 4.62 a single output power supply using tea1753 with the tea1703 and tea1791 devices from the greenchip iii and greenchip sr family of nxp semiconductors. it contains the specification of the power supply, circuit diagram, the component list to build the supply, the pcb layout and component positions, documentation of the pfc choke and transformer, along with test data and oscilloscope pictures of the most important waveforms. the greenchip iii combines the control and drive for both the pfc and the flyback stages into a single device. the tea1753 provides complete smps control functionality to comply with the iec61000-3-2 harmonic current emission requirements, obtain a significant reduction of components, save pcb sp ace and give a cost bene fit. it also offers extremely low power consumption in no-load mode, which makes it suitable for the low-power consumer markets. the built-in gre en functions ensure high efficiency at all power levels, which results in a design that can easily meet all existing and proposed energy efficiency standards such as: coc (europe), energy star (us), cec (california), meps (australian and new zealand), and cecp (china). the tea1703 in combination with the tea1753 provide a very low power requirement in standby mode. the greenchip sr is a synchronous rectific ation control ic that needs no external components to tune the timing. used in note book adapter designs, the greenchip sr offers a wide vcc operating range between 8.5 v and 38 v, minimizing the number of external components required and enabling simpler designs. in addition, the high driver output voltage (10 v) makes the greenchip sr compatible with all brands of mosfets. warning lethal voltage and fire ignition hazard the non-insulated high voltages that are present when operating this product, constitute a risk of electric shock, personal injury, death and/or ignition of fire. this product is intended for evaluation purposes only. it shall be operated in a designated test area by personnel qualified according to local requirements and labor laws to work with non-insulated mains voltages and high-voltage ci rcuits. this product shall never be operated unattended. free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 4 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 2. specification ? mains input voltage: 90 v to 264 v; 47 hz to 63 hz ? dc output: 19.5 v; 2 % ? maximum continuous out put current: 4.62 a ? peak output current: 5.7 a ? efficiency: > 88.5 % at maximum load ? energy star active mode efficiency: > 89.5 % ? no load power consumption: 33 mw ? dynamic load response (peak-to-peak): 700 mv ? output ripple and noise (peak-to-peak): 100 mv ? cispr22 class b conducted emi ( ? 15 db margin) ? en61000-4-2 immunity against esd ( 12 kv air discharge) ? en61000-3-2 a14 (harmonics) compliance ? short circuit protection (scp); in put power < 1.2 w during scp test ? overcurrent protection (ocp); input power < 2.2 w during ocp test ? latched output overvoltage protection (ovp): < 24 v ? latched overtemperature protection (otp); 120 c ? fast latch reset (flr): < 2 s fig 1. 90 w tea1753 and tea1791 demo board 019aab48 2 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 5 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 3. performance data 3.1 test setup 3.1.1 test equipment ? ac source: agilent 6812b ? power meter: yokogawa wt210 with harmonics option ? dc electronic load: chroma, model 63103 ? digital oscilloscope: yokogawa dl1640l ? current probe yokogawa 701933 30 a; 50 mhz ? 100 mhz, high voltage differential probe: yokogawa 700924 ? 500 mhz, low voltage differential probe: yokogawa 701920 ? multimeter: keithley 2000 ? emc receiver: rohde & schw arz espi-3 + lisn env216 3.1.2 test conditions ? adapter on the lab-table with the heat sinks downwards ? the adapter has no casing ? ambient temperature between 20 c and 25 c ? measurements were made afte r stabilization of temperatur e according to "test method for calculating the efficiency of single -voltage external ac-dc and ac-ac power supplies" of energy star 3.2 efficiency 3.2.1 energy star efficiency to market adapters as energy star efficien t they have to pass the active mode and no-load criteria as stated in the energy star standard for external power supplies; eps2.0. the minimum active-mode efficiency is defined as the arithmetic average efficiency at 25 %, 50 %, 75 % and 100 % of the rated output power as printed on the nameplate of the adapter. 3.2.1.1 active mode efficiency test conditions: the adapter is set to maximu m load and well pre-hea ted until temperatur e stabilization is achieved. temperature stabilization is estab lished for every load step before recording any measurements. remark: the output voltage is measured at the end of the output cable (2 20 m ). free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 6 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 criteria to pass: to comply with energy star eps2.0, the ar ithmetic average of the four efficiency measurements must be greater than, or equal to, 87 %. universal mains adapters have to pass the criteria at both 115 v; 60 hz and 230 v; 50 hz. to meet this criteria, the pfc must be off at 25 % load and preferably on at 50 % load. 3.2.1.2 no-load input power test conditions: the adapter is set to maximum load and pre-h eated. after 5 minutes the load is removed. the no-load input power meas urements were recorded afte r stabilization of the input power reading. the combination of the tea1733 with the tea1703 results in a standby power consumption far below the requirements of energy star eps2.0. it reflects the standby power loss requirements of our customers. table 1. active mode efficiency at 115 v; 60 hz load (%) i o (a) v o (v) p o (w) p i (w) efficiency (%) power factor 100 4.628 19.173 88.72 98.94 89.67 0.986 75 3.472 19.246 66.81 73.74 90.61 0.979 50 2.315 19.318 44.73 49.33 90.67 0.965 25 1.160 19.383 22.49 24.69 91.08 0.450 average - - - - 90.51 - table 2. active mode efficiency at 230 v; 50 hz load (%) i o (a) v o (v) p o (w) p i (w) efficiency (%) power factor 100 4.628 19.175 88.73 98.41 90.17 0.945 75 3.472 19.247 66.82 74.31 89.92 0.921 50 2.316 19.319 44.73 50.49 88.60 0.878 25 1.160 19.385 22.49 24.75 90.87 0.378 average - - - - 89.89 - table 3. pfc on and off level as a function of the mains input voltage mains supply 90 v/60 hz 100 v/50 hz 115 v/60 hz 230 v/50 hz 264 v/50 hz output current (a) (pfc on) 1.75 1.83 1.88 1.91 1.86 output current (a) (pfc off) 1.35 1.36 1.34 1.35 1.31 table 4. no-load input power no-load input power as a function of the mains input voltage. mains supply 90 v/60 hz 100 v/50 hz 115 v/60 hz 230 v/50 hz 264 v/50 hz input power p i (mw) 10.0 10.8 12.5 32.1 39.5 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 7 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 3.2.1.3 full load efficiency pfc plus flyback stage test conditions: before any measurements were recorded, the adapter is set to maximum load and is preheated till the read ings were stabilized. remark: the output voltage is measured at the end of the output cable. (2 20 m ) criteria to pass: the efficiency ( ) must be > 88 % at the maxi mum continuous output load. 3.3 timing and protection 3.3.1 switch-on delay and output rise time test conditions: the electronic load is set to constant current (cc) mode and v on = 0 v. the electronic load is set to the maximum continuous output current. criteria to pass: ? switch-on delay: two seconds maximum after the ac mains voltage is applied to the time when the output is within regulation ? output rise time: the output voltage must rise from 10 % of the maximum to the regulation limit within 30 ms. there must be a smooth and continuous ramp-up of the output voltage. no voltage with a negativ e polarity must be present at the output during start-up ? no output bounce or hiccup is allowed during switch-on. ? there be must be sufficient margin be tween the fbctrl signal and the 4.5 v time-out trigger level to av oid false triggering of the time-out protection due to component tolerances table 5. pfc plus flyback stage total converter efficiency (at full load) as a function of the mains input mains supply i i rms (a) p o (w) p i (w) efficiency (%) power factor 90 v/60 hz 1.130 88.74 100.24 88.53 0.989 100 v/50 hz 1.013 88.76 99.58 89.14 0.987 115 v/60 hz 0.877 88.72 98.94 89.67 0.986 230 v/50 hz 0.456 88.73 98.41 90.17 0.945 264 v/50hz 0.402 88.66 98.26 90.24 0.929 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 8 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 a. mains input 90 v; 60 hz; delay time 484 ms b. mains input 264 v; 50 hz; delay time 484 ms load = 4.62 a; ch1 (brown): mains input; ch2 (green): vcc pin tea1753; ch3 (magenta): fbctrl pin tea1753; ch4 (cyan): output voltage fig 2. delay between switch-on and output in regulation 019aab723 019aab724 a. mains input 90 v; 60 hz; output rise time 12.64 ms b. mains input 264 v; 50 hz; output rise time 12.24 ms load = 4.63 a ch1 (brown): mains input ch2 (green): fbctrl pin tea1753 ch3 (magenta): fbsense pin tea1753 (soft-start) ch4 (cyan): output voltage load = 4.63 a ch1 (brown): mains input ch2 (green): vcc pin tea1751 ch3 (magenta): fbsense pin tea1751 (soft-start) ch4 (cyan): output voltage fig 3. output rise time at full load start-up 019aab721 019aab722 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 9 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 3.3.2 brownout and brownout recovery the voltage on the vinsense pin is monitore d continuously to prevent the pfc from operating at very low mains input voltages. test conditions: the mains input voltage is decreased from 90 v down to 0 v and then increased from 0 v to 90 v. the electronic load is set to constant current (cc) mode and v on =0v. the electronic load is set to the maximum continuous output current. criteria to pass: ? the adapter must survive the test wi thout damage and excessive heating of component ? the output voltage must remain within th e specified regulation limits or switch-off ? no output bounce or hiccup is allowed during switch-on or switch-off ? the adapter must power-up before the ac line input voltage reaches 85 v (maximum) a. ac mains input from 90 v to 0 v b. ac mains input from 0 v to 90 v brownout voltage = load = 4.62 a ch1 (brown): vinsense pin tea1753 ch2 (green): vcc pin tea1753 ch3 (magenta): output voltage ch4 (cyan): mains input 200 v per division brownout recovery voltage = load = 4.62 a ch1 (brown): vinsense pin tea1753 ch2 (green): vcc pin tea1753 ch3 (magenta): output voltage ch4 (cyan): mains i nput 200 v per division fig 4. brownout and brownout recovery 019aab48 3 019aab48 4 105 2 () ? 74 v = 121 2 () ? 83 v) = free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 10 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 3.3.3 output short circuit protection to protect the adapter and application against an output short circuit or a single fault open (flyback) feedback loop situations, time-out protection is implemented. when the voltage on fbctrl pin rises above 4.5 v (typical), a fault is assumed and switching is blocked. the time-out protection must not trigger du ring a normal start-up with the maximum continuous output current. test conditions: there are two test conditions: 1. the adapter is switched on with 4.62 a outp ut load. after startup a short circuit is applied manually at the end of the output cable 2. before the adapter is switched on a short circ uit is applied to at the end of the output cable remark: an output short-circuit is defined as an output impedance of less than 0.1 ohm. criteria to pass: ? the adapter must be capable of withstanding a continuous short-circuit at the output without damaging or overstressing the adapter under any input conditions ? the average input power must be less than 3 w during the short-circuit test ? after removal of the short circuit, the adapter must recover automatically a. mains input 90 v; 60 hz b. mains input 264 v; 50 hz load before short circuit = 4.62 a ch1 (brown): drain flyback mosfet ch2 (green): fbctrl pin tea1753 ch3 (magenta): vcc pin tea1753 ch4 (cyan): output voltage load before short circuit = 4.62 a ch1 (brown): drain flyback mosfet ch2 (green): fbctrl pin tea1753 ch3 (magenta): fbdriver pin tea1753 ch4 (cyan): output voltage fig 5. output short-circuit, triggering of the time-out protection 019aaa015 019aaa016 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 11 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 a. output short-circuit during normal operatio n b. output short-circuit applied before start-up load before short circuit= 4.62 a ch1 (brown): drain flyback mosfet ch2 (green): fbctrl pin tea1753 ch3 (magenta): vcc pin tea1753 ch4 (cyan): output voltage load = short circuit ch1 (brown): drain flyback mosfet ch2 (green): fbctrl pin tea1753 ch3 (magenta): vcc pin tea1753 ch4 (cyan): output voltage fig 6. output short-circuit at 90 v; 60 hz 019aaa017 019aaa018 a. output short-circuit during normal operatio n b. output short-circuit applied before start-up load before short circuit = 4.62 a ch1 (brown): drain flyback mosfet ch2 (green): fbctrl pin tea1753 ch3 (magenta): vcc pin tea1753 ch4 (cyan): output voltage load = short circuit ch1 (brown): drain flyback mosfet ch2 (green): fbctrl pin tea1753 ch3 (magenta: vcc pin tea1753 ch4 (cyan): output voltage fig 7. output short-circuit at 264 v; 50 hz 019aaa019 019aaa020 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 12 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 3.3.4 output overcurrent protection (ocp) test conditions: ? the electronic load is set in constant current (cc) mode ? the load is increased from the maximum co ntinuous value in sm all steps until the overcurrent protection is triggered. the input power is measured after triggering the overcurrent protection without changing the load setting criteria to pass: ? the output power must be limited to less than 150 w, just before the triggering of the overcurrent protection ? the average input power must be less than 3 w once the overcurrent protection has been triggered 3.3.5 output overvoltage protection (ovp) test conditions: ? the adapter is switched on without a load at the output ? an output over-voltage is created by applyi ng a short circuit across the opto-led of u2-1 (see figure 14 ). criteria to pass: ? the output voltage must no t exceed 25 v or stabilize between 25 v and the rated output voltage ? the voltage on the tea1753 vcc pin must not exceed the absolute maximum rating of 38 v ? when ovp is triggered, the primary side c ontroller must shut down and stay in a latched mode ? a single point fault must not cause a sust ained overvoltage condition at the output table 6. output short circuit input power output short circuit input power as a function of the mains input voltage mains supply 90 v/60 hz 100 v/50 hz 115 v/60 hz 230 v/50 hz 264 v/50 hz input power p i (mw) 0.63 0.61 0.63 0.86 0.65 table 7. output overcurrent protection and input power as a function of the mains input voltage. mains supply 90 v/60 hz 100 v/50 hz 115 v/60 hz 230 v/50 hz 264 v/50 hz ocp trigger level (a) 6.16 6.16 6.15 5.78 5.77 input power p i (w) 135.2 134 132.2 122.5 122.5 table 8. output over-voltage protection output over-voltage at no-load as a function of the mains input voltage with protection mode latched mains supply 90 v/60 hz 100 v/50 hz 115 v/60 hz 230 v/50 hz 264 v/50 hz output ovp trip point (v) 23.8 23.8 23.7 23.8 23.7 vcc maximum during ovp (v) 27.5 27.5 27.5 27.1 27.0 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 13 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 3.3.6 overtemperature protection (otp) an accurate external over temperature protection (tea1753?s latch pin, rt2, r26 and c19) is provided on the demo board to prot ect the flyback transformer against overheating (see figure 14 ). normally, the flyback transformer is the most heat sensitive component. test conditions: the ntc temperature sensor, glued to the tr ansformer, is heated using a heat gun. criteria to pass: the ic must latch off the output at a vlatch trip level of 1.25 v. no output bounce or hiccup is allowed a. mains input 90 v; 60 hz b. mains input 264 v; 50 hz output current before short-circuit of the optocoupler = 0.015 a ch1 (brown): drain flyback mosfet ch2 (green): fbctrl pin tea1753 ch3 (magenta): vcc pin tea1753 ch4 (cyan): output voltage output current before short-circuit of the optocoupler = 0.015 a ch1 (brown): drain flyback mosfet ch2 (green): fbctrl pin tea1753 ch3 (magenta): vcc pin tea1753 ch4 (cyan): output voltage fig 8. output overvoltage protection 019aaa021 019aaa022 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 14 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 3.3.7 fast latch reset a fast latch reset function (flr) enables latched protection to be reset without discharging the bulk elcap. the latch protection is reset as soon as the voltage on vinsense pin drops below 0.75 v and is then raised to 0.87 v. test conditions: ? the output is loaded (i out = 50 ma) ? the test sequence is as follows: ? the latch protection is triggered by an ovp caused by a short-circuit across the opto-led ? the mains input is switched off and the voltage on pin vinsense dropped below 0.75 v ? the mains input is switched on and, as soon as the voltage on pin vinsense rises above 0.87 v, the latch is reset remark: both live and neutral must be switched. criteria to pass: the latch must be reset within 3 seconds afte r switching off and s witching on, the mains input voltage. otp trigger temperature 108 c output current 4.62 a before otp is triggered ch1 (blue): v out ch2 (cyan): tea1753 vcc pin ch3 (magenta): mains input voltage ch4 (green): tea1753 latch pin fig 9. external overtemperature protection (otp) 001aak80 4 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 15 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 3.4 output regulation and characterization 3.4.1 load regulation test conditions: ? the output voltage deviation is measured while the load current on the output is increased from 15 ma to 4.62 a ? the measurement is repeated for different mains input voltages remark: the output voltage is measured at the end of the output cable, the minimum current of 15 ma prevents switching to standby mode. criteria to pass: the output load regulation must remain within 2 %. the load regulation is calculated using equation 1 . (1) where v o(nom) = 19.5 v. a. mains input 90 v; 60 hz; flr = 1.2 s b. mains input 264 v; 50 hz; flr = 1.3 s ch1 (brown): fbdriver ch2 (green): vcc pin tea1753 ch3 (magenta): output voltage 20 v per division (i o =50ma) ch4 (cyan): ac mains input voltage 200 v per division ch1 (brown): fbdriver ch2 (green): vcc pin tea1753 ch3 (magenta): output voltage 20 v per division (i o =50ma) ch4 (cyan): ac mains input voltage 400 v per division fig 10. fast latch reset (flr) 019aab485 019aab486 table 9. load regulation output voltage as a function of the output load and the mains input voltage mains supply 90 v/60 hz 264 v/50 hz v o (v) 19.558 19.325 19.559 19.324 i o (a) 0.015 4.62 0.015 4.62 v omax () v omin () ? v o nom () ------------------------------------------- 100 % free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 16 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 load regulation at 90 v; 60 hz is calculated as follows: (2) load regulation at 264 v; 50 hz is calculated as follows: (3) 3.4.2 line regulation test conditions: ? the output voltage deviation is measured while the mains voltage on the input is increased from 90 v to 264 v ? the measurement is repeated for different mains input voltages remark: the output voltage is measured at the end of the output cable. the load current is 4.62 a. the line regulation is calculated using the following equation: (4) criteria to pass: the output voltage deviation must remain within 0.05 %. load regulation at 90 v; 60 hz is calculated using the following equation: (5) 3.4.3 ripple and noise pard (periodic and random deviation) ripple and noise are defined as the periodic or random signals over a frequency band of 10 hz to 20 mhz. test conditions: ? the measurement is made with an osc illoscope set to bandwidth of 20 mhz ? the output is shunted at the end of the output cable, by a 0.1 f ceramic disk capacitor and a 22 f electrolytic capacitor, to simulate loading criteria to pass: the output ripple and noise must remain withi n the specified limits 100 mv (peak-to-peak) at a maximum load current of 4.62 a. 19.558v 19.325v ? 19.5v ---------------------------------------------- - 100 % 1.19 % = 19.559v 19.324v ? 19.5v ---------------------------------------------- - 100 % 1.21 % = table 10. line regulation output voltage (at full load) as a function of the mains input voltage mains supply 90 v/60 hz 100 v/50 hz 115v/60hz 230 v/50 hz 264 v/50 hz v o (v) 19.325 19.325 19.325 19.324 19.324 v omax () v omin () ? v o nom () ------------------------------------------- 100 % 19.325v 19.324v ? 19.5v ---------------------------------------------- - 100 % 0.005 % = free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 17 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 3.4.4 dynamic load response test conditions: ? the adapter is subjected to a load change from 0.33 % to 100 % at a slew rate of 1a/ms ? the frequency of change is set to give the best readability of the deviation and setting time remark: the voltage is measured at the end of the output cable, the minimum output current of 15 ma prevents switching in to standby mode. criteria to pass: the output is not allowed to have an oversh oot or undershoot beyond the specified limits (+1 v to 0.5 v) after a load change. table 11. ripple and noise pard ripple and noise (at maximum load) as a function of the mains input voltage. mains supply 90 v/60 hz 100 v/50 hz 115 v/60 hz 230 v/50 hz 264v/50hz pard (mv) 9494948383 table 12. dynamic load response deviation of the output voltage at a load step from 4.62 a to 0.015 a and from 0.015 a to 4.62 a mains supply 90 v/60 hz 230 v/50 hz deviation (mv p-p ) 700 700 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 18 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 ch1 (brown): pfc bus voltage ch2 (green): output current ch3 (magenta): pfctimer pin ch4 (cyan): output voltage ch1 (brown): pfc bus voltage ch2 (green): output current ch3 (magenta): pfctimer pin ch4 (cyan): output voltage a. mains input 90 v; 60 hz b. mains input 90 v; 60 hz (detail picture) ch1 (brown): pfc bus voltage ch2 (green): output current ch3 (magenta): pfctimer pin ch4 (cyan): output voltage ch1 (brown): pfc bus voltage ch2 (green): output current ch3 (magenta): pfctimer pin ch4 (cyan): output voltage c. mains input 230 v; 50 hz d. mains input 230 v; 50 hz (detail picture) fig 11. dynamic load response 019aaa023 019aaa024 019aaa025 019aaa026 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 19 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 4. electromagnetic co mpatibility (emc) 4.1 conducted emission test conditions: ? the adapter is subjected to maximum load ? the ground connection of the output cable is connected to emc ground criteria to pass: cispr22 class b with -10 db production margin, unless otherwise stated. (1) qp limit (2) av limit (3) peak reading the conducted emi measurement of 1 10 v neutral is close to 110 v line fig 12. conducted emi 110 v line 001aak816 (1) (2) (3) table 13. conducted emi measurement 110 v line refer to figure 12 points 1 and 2 on the peak reading graph no. frequency (mhz) correction factor (db) reading db v emission db v limit db v margins db qp av qp av qp av qp av 11 and 12 24.250 0.095 44.342 39.485 44.437 39.580 60.000 50.000 ? 15.563 ? 10.420 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 20 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 4.2 immunity against lighting surges test conditions: ? combination wave: 1.2/50 s open circuit voltage and 8/20 s short circuit current ? test voltage: 2 kv ? l1 to l2: 2 ; l1 to pe, l2 to pe and l1 + l2 to pe: 12 ? phase angle: 0 , 90 , 180 and 270 ? number of tests: 5 positive and 5 negative ? pulse repetition rate: 20 s (1) qp limit (2) av limit (3) peak reading the conducted emi measurement of 230 v neutral is close to 230 v line fig 13. conducted emi 230 v line 001aak817 (1) (2) (3) table 14. conducted emi measurement 230 v line refer to figure 13 points 1, 2 and 3 on the peak reading graph. no. frequency (mhz) correction factor (db) reading (db v) emission (db v) limit (db v) margins (db) qp av qp av qp av qp av 1 and 2 0.195 0.071 49.746 46.337 49.817 46.408 63.808 53.808 ? 13.991 ? 7.400 3 and 4 0.393 0.055 42.393 37.662 42.448 37.717 58.004 48.004 ? 15.556 ? 10.287 5 and 6 0.784 0.031 41.712 35.555 41.734 35.586 56.00 46.00 ? 14.257 ? 10.414 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 21 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 test result: ? there is no disruption of functionality 4.3 immunity against esd test conditions: ? esd air discharge at the ground contact of the output cable criteria to pass: ? iec61000-4-2 air discharge level 3 (8 kv) and level 4 (15 kv) 4.4 mains harmonic reduction test conditions: ? the adapter is set to the maximum continuous load of 4.62 a ? the input voltage is 230 v; 50 hz criteria to pass: ? compliance with en61000-3-2 a14 class d test result: ? passed, see ta b l e 1 6 table 15. immunity against esd performance of the adapter at an esd air discharge esd performance no disruption of function auto recovery demo board according to schematic 12 kv 15 kv demo board with 6 m x 10 m across y-cap 16.5 kv - table 16. mhr according en61000-3-2 a14, class d harmonic no. measured (ma) limit (ma) harmonic no. measured (ma) limit (ma) 1 437.2 - 21 1.2 20.1 3 113.5 338.1 23 7.3 18.2 5 37.2 189.0 25 2.3 16.7 7 10.5 99.4 27 5.2 15.3 9 7.3 49.7 29 2.3 14.2 11 9.0 34.8 31 2.5 13.2 13 6.0 34.8 33 0.9 12.4 15 6.7 29.5 35 4.0 11.6 17 3.0 25.5 37 1.2 10.9 19 4.9 22.5 39 3.8 10.3 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 22 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 intentionally left blank free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 23 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 5. schematic fig 14. schematic of 90 w tea1753 and tea1791 adapter solution (part 1) + mains inlet c17 330 nf c18 470 nf c19 10 nf u1 pfctimer gnd latch vinsense hvs vosense fbdriver fbsense hv v cc pfcsense pfcdriver pfcaux c20 2.2 f c21 2.2 f c22 220 pf c24 1 nf c25 1 f r4 47 k 0 5.1 k 62 k r25 39 k r26 10 k rt2 sck-103 c14 1 f 50 v c10 100 nf c4 4.7 nf r7 120 k r10 0.1 c6 r11 r27 r28 r29 q10 mmbt4403 r3 r12 r9 c5 220 pf c23 220 pf c2 0.47 f c1 0.47 f bd1 gbu806 lf2 12.8 mh lf1 0.5 mh cx1 0.33 f r1 3 m r2 3 m d1 mur460 bc1 r5b r14 r31 r43 r42 110 k r13 d4 1n4148w d3 1.5 a 1000 v q2 2sk3569 r18 43 k r19 43 k r15 0.1 r17 1.2 k r6b 9.1 m r6 9.1 m r5a 4.7 m q8 bss127 q9 bss127 r5 4.7 m r16 r16a q1 2sk3568 r8 d2 1n4148w 10 10 1 k 2.2 k 10 k 54.9 k 160 k 1 k 10 10 k 0 100 15 k 10 7 1 9 12 tea1753 c13 47 f 35 v fbctrl fbaux pfccomp r23a 220 k r23 82 k d23a bas21 d5 bas21 r22 r45 430 k c9 100 pf c8 3.3 nf c3 100 f l2 250 h l1 4 14 11 12 8 7 15 9 13 10 16 1 25 3 6 019aab885 optional see section 5.2, 5.2.1 - a b c d e f u2a-1 ltv-817b 4 3 switch signal switch signal c3a 10 nf r21 0 r39 f1 3.15 a 250 v 220 h 100 nf r41 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 24 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 fig 15. schematic of 90 w tea1753 and tea1791 adapter solution (part 2) t1 450 h 5 1 4 2 6 019aab886 n.m. = not mounted cy1 1.5 nf bc2 s6h/jk u3 v cc c30 1 f 50 v r30 10 q4 psmn013-100 r32 1 k r33 c31 d30 bas21 11 8 2 3 5 6 7 driver srsense n.c. n.c. n.c. n.c. 41 gnd tea1791 c53 22 nf d52 bas21 q7 2n7002 r54 360 k r52 680 k r50 r51 240 k r53 4.7 m 1 2 c15 10 nf c16 330 nf d50 bas21 c27 470 f 25 v u2a-2 l4 10 mh c28 470 f 25 v c52 100 pf c51 27 nf c29 470 f 25 v l3 choke cm 7, 8 9, 10 v out + u5 vsense 8 5 1 2 3 7 6 4 n.c. opto gnd v cc n.c. swdet psense tea1703 r35 3 k r36 10 k 2.2 m 10 nf 100 nf c34 r56 1.5 m r34 1 k r37 35.7 k r38 5.23 k 1 2 u2-1 ltv-817b 4 3 u2-2 u4 tl431 r55 330 k c35 r24 39 k r57 3 k v out - a b c d e f n.m. n.m. free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 25 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 6. bill of materials table 17. default bill of materials for a 90 w tea1753, tea1703 and tea1791 adapter solution reference component package remark r1 3 m , 1 % 1206 - r2 3 m , 1 % 1206 - r3 62 k , 1 % 1206 - r4 47 k , 1 % 0603 - r5 4.7 m , 1 % 1206 - r5a 4.7 m , 1 % 1206 - r6 9.1 m , 1 % 1206 - r6b 9.1 m , 1 % 1206 - r7 120 k , 1 % 0603 - r8 10 , 5 % 0805 - r9 10 , 5 % 0805 - r10 0.1 , 5 % axial metal-oxide film r11 15 k , 5 % 0603 - r12 1 k , 5 % 0805 - r13 10 , 5 % 0805 - r14 10 , 5 % 0805 - r15 0.1 , 1 % axial metal-oxide film r16 54.9 k , 1 % 0603 - r16a 1 k , 1 % 0603 - r17 1.2 k , 1 % 0603 - r18 43 k , 5 % 1206 - r19 43 k , 5 % 1206 - r21 0 0603 - r22 10 k , 5 % 0805 - r23 82 k , 1 % 0603 - r23a 220 k , 1 % 0603 - r24 39 k , 5 % 0603 - r25 39 k , 5 % 0603 - r26 10 k , 5 % 0603 - r27 5.1 k , 5 % 1206 - r28 100 , 5 % 0603 - r29 10 k , 5 % 0603 - r30 10 , 5 % 0805 - r31 2.2 k , 1 % 0603 - r32 1 k , 5 % 0805 - r33 not mounted - - r34 1 k , 5 % 0603 - r35 3 k , 5 % 0603 - r36 10 k , 5 % 0603 - free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 26 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 r37 35.7 k , 1 % 0603 - r38 5.23 k , 1 % 0603 - r39 0 0805 - r41 0 0603 - r42 110 k , 5 % 0603 - r43 160 k , 5 % 0603 - r45 430 k , 5 % 0603 - r50 2.2 m , 5 % 0603 - r51 240 k , 5 % 0603 - r52 680 k , 5 % 0603 - r53 4.7 m , 5 % 0603 - r54 360 k , 5 % 0603 - r55 330 k , 5 % 0603 - r56 1.5 m , 5 % 0603 - r57 3 k , 5 % 0603 - rt2 ntc 100 k ; d = 5 mm radial lead ttc050104 c1 film capacitor; 0.47 f; 450 v, 10 % - - c2 film capacitor; 0.47 f; 450v, 10 % - - c3 electrolytic capacitor; 100 f; 400 v; 105 c radial 16 30 mm - c3a 10 nf; 1 kv; z5u disk 11.5 mm - c4 4.7 nf; 25 v; x7r 0603 - c5 220 pf; 630 v; np0 1206 - c6 100 nf; 25 v; x7r 0603 - c8 3.3 nf; 630 v 1206 - c9 100 pf; 630 v; np0 1206 - c10 100 nf; 25 v; x7r 0805 - c13 electrolytic capacitor 47 f; 35 v; 105 cradial 5 11 mm low-impedance type c14 1 f; 50 v; y5v 0805 - c15 10 nf; 25 v; x7r 0603 - c16 330 nf; 10 v; x7r 0603 timing capacitor; review tolerance c17 330 nf; 10 v; x7r 0603 - c18 470 nf; 10 v; x7r 0603 - c19 10 nf; 25 v; x7r 0603 - c20 2.2 f; 10 v; y5v 0603 - c21 2.2 f; 10 v; y5v 0603 - c22 220 pf; 50 v; np0 0603 10 v is permitted c23 220 pf; 50 v; np0 0603 10 v is permitted c24 1 nf; 50 v; x7r 0603 10 v is permitted c25 1 f; 16 v; x7r 0603 10 v is permitted c27 electrolytic capacitor; 470 f; 25v; 105 c radial 10 12.5 mm low-impedance type c28 electrolytic capacitor; 470 f; 25v; 105 c radial 10 12.5 mm low-impedance type table 17. default bill of materials for a 90 w tea1753, tea1703 and tea1791 adapter solution ?continued reference component package remark free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 27 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 c29 electrolytic capacitor; 470 f; 25v; 105 c radial 10 12.5 mm low-impedance type c30 1 f; 50 v; y5v 0805 - c31 not mounted - - c34 100 nf; 25 v; x7r 0603 - c35 10 nf; 25 v; x7r 0603 - c51 27 nf; 25 v; x7r 0603 - c52 100 pf; 50 v; np0 0603 - c53 22 nf; 25 v; x7r 0603 - cx1 0.33 f; 275 v (ac); x2 mkp - cy1 1.5 nf; 400 v (ac); y1 pitch 10 mm - bd1 gbu806; 8 a; 600 v flat/mini - d1 mur460; 4 a; 600 v do-201ad vishay d2 1n4148w sod80 - d3 s2m smb - d4 1n4148w sod80 - d5 bas21 sot23 nxp semiconductors d23a bas21 sot23 nxp semiconductors d30 bas21 sot23 nxp semiconductors d50 bas21 sot23 nxp semiconductors d52 bas21 sot23 nxp semiconductors q1 2sk3568 to220f - q2 2sk3569 to220f - q4 psmn013-100 to220f nxp semiconductors q7 2n7002 sot23 - q8 bss127 sot23 - q9 bss127 sot23 - q10 mmbt4403 sot23 - u1 tea1753 so16 nxp semiconductors, greenchip iii pfc and flyback controller u2 ltv817b dip4-w ctr 130-260, spacing 10.16 mm u2a ltv817b dip4-w ctr 130-260, spacing 10.16 mm u3 tea1791 smd, so8 nxp semiconductors, greenchip sr controller u4 d431 sot23r double microelectronics u5 tea1703 smd, so8 nxp semiconductors, greenchip smps standby control ic t1 flyback transformer 450 h pq3220 see specification in section 7.1 l1 inductor 220 h t50-52 - l2 pfc inductor 250 h rm10 see specification in section 7.2 l3 inductor cm 200 h t12*6*4 - l4 inductor 10 mh axial - table 17. default bill of materials for a 90 w tea1753, tea1703 and tea1791 adapter solution ?continued reference component package remark free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 28 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 7. transformer and inductor specifications 7.1 flyback transforme r t1 specifications ? primary inductance: 450 h ( 5 %) ? leakage inductance: 6 h (max) ? core/bobbin: pq3220 ? core material: pc44 ? hi-pot primary - secondary: 3 kv; 5 ma; 3 s manufacturer: send power electronics. co., ltd, taiwan roc. lf1 inductor cm 500 h t12*6*4 - lf2 inductor cm 12.8 mh t16*12*18 bc1 bead core r5b/xp n4/amax rh 4*6*2 placed at cathode of d1 bc2 bead core s6h/jk n6/amax rh 3.5*4.2*1.3 placed at lead of cy1 f1 fuse t 3.15 a; 250 v lt5 - table 17. default bill of materials for a 90 w tea1753, tea1703 and tea1791 adapter solution ?continued reference component package remark fig 16. flyback transformer schematic teflon tube start e1, e2, e3, e4 n1, n6 7 9 10 8 11 2 4 1 5 6 n4, n7 n8 n5 n2 n3 black teflon tube p r i mary s econ d ary bobbin n1 tape n2 n3 n4 e2 n5 n6 n7 n8 e1 e4 e3 014aab118 table 18. flyback transformer winding details winding order pin number wire type number of wires number of turns remarks start finish winding mylar tape 1: n1 7 9 tiw 0.3 mm ? 2 6 1 tex-e 2: e1 - 6 copper foil 0.025 mm 7mm 1 1 finished with wire 0.3 mm ? 3: n2 1 4 2-uew 0.5mm ? 116 1 4: e2 - 6 copper foil 0.025 mm 7mm 1 1 finished with wire 0.3 mm ? 5: n3 5 6 2-uew 0.25mm ? 27 1 6: n4 8 10 tiw 0.3 mm ? 2 6 1 tex-e free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 29 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 7.2 pfc inductor l2 specifications ? primary inductance: 250 h ( 10 %). ? core/bobbin: rm10. ? core material: nc-2h. manufacturer: send power electronics. co., ltd, taiwan roc. 8. pcb layout the smps printed circuit board is a single sided board. dimensions are 125 mm x 59 mm. the pcbs are 1.6 mm fr2 with single sided 2 oz. copper (70 m) layer. the gerber file set for production of the pcb is available through the local nxp semiconductors sales office 7: e3 - 6 copper foil 0.025 mm 7mm 1 1 finished with wire 0.3 mm ? 8: n5 4 2 2-uew 0.5mm ? 116 1 9: e4 - 6 copper foil 0.025 mm 7mm 1 1 finished with wire 0.3 mm ? 10: n6 7 9 tiw 0.3 mm ? 2 6 1 tex-e 11: n7 8 10 tiw 0.3 mm ? 2 6 1 tex-e 12: n8 11 8 tiw 0.3 mm ? 1 5 3 tex-e; close winding method table 18. flyback transformer winding details winding order pin number wire type number of wires number of turns remarks start finish winding mylar tape fig 17. pfc inductor l2 schematic teflon tube start e1, e2 n2 12 1 9 7 n1 primary auxilary bobbin n1 tape n2 014aab12 1 table 19. pfc inductor l2 winding details winding order pin no. winding type number of wires number turns remarks start finish winding mylar tape 1 n1 9 7 ustc 0.1 mm ? 30 40 turns 1 turn - 2 n2 12 1 2-uew 0.22 mm ? 2 2.5 turns 3 turns - free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 30 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 fig 18. demo board top silk (top view) fig 19. demo board bottom silk (bottom view) fig 20. demo board bottom copper (bottom view) 019aab48 8 019aab489 019aab49 0 free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 31 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 9. abbreviations table 20. abbreviations table acronym description cc constant current cr constant resistance cv constant voltage emc electromagnetic compatibility emi electromagnet ic interference ems electromagnetic susceptibility esd electrostatic discharge flr fast latch reset lisn line impedance standardization network mhr mains harmonic reduction otp overtemperature protection ocp overcurrent protection ovp overvoltage protection pcb printed-circuit board pe protective earth pfc power factor correction scp short-circuit protection smps switched mode power supply sr synchronous rectification tiw triple insulated wire uew polyurethane enameled wire ustc polyurethane silk tetrone covered free datasheet http://
UM10444 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. user manual rev. 1 ? 4 april 2011 32 of 33 nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 10. legal information 10.1 definitions draft ? the document is a draft versi on only. the content is still under internal review and subject to formal approval, which may result in modifications or additions. nxp semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall hav e no liability for the consequences of use of such information. 10.2 disclaimers limited warranty and liability ? information in this document is believed to be accurate and reliable. however, nxp semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. in no event shall nxp semiconductors be liable for any indirect, incidental, punitive, special or consequential damages (including - without limitation - lost profits, lost savings, business interrupt ion, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. notwithstanding any damages that customer might incur for any reason whatsoever, nxp semiconductors? aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the terms and conditions of commercial sale of nxp semiconductors. right to make changes ? nxp semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof. suitability for use ? nxp semiconductors products are not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical systems or equipment, nor in applications where failure or malfunction of an nxp semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. nxp semiconductors accepts no liability for inclusion and/or use of nxp semiconductors products in su ch equipment or applications and therefore such inclusion and/or use is at the customer?s own risk. applications ? applications that are described herein for any of these products are for illustrative purpos es only. nxp semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. customers are responsible for the design and operation of their applications and products using nxp semiconducto rs products, and nxp semiconductors accepts no liability for any assistance wi th applications or customer product design. it is customer?s sole respon sibility to determine whether the nxp semiconductors product is suitable and fit for the customer?s applications and products planned, as well as for the planned application and use of customer?s third party customer(s). customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. nxp semiconductors does not accept any liability related to any default, damage, costs or problem which is based on any weakness or default in the customer?s applications or products, or the application or use by customer?s third party customer(s). customer is responsible for doing all necessary testing for the customer?s applic ations and products using nxp semiconductors products in order to av oid a default of the applications and the products or of the application or use by customer?s third party customer(s). nxp does not accept any liability in this respect. export control ? this document as well as the item(s) described herein may be subject to export control regulations. export might require a prior authorization from national authorities. evaluation products ? this product is provided on an ?as is? and ?with all faults? basis for evaluati on purposes only. nxp semico nductors, its affiliates and their suppliers expressly disclaim all warranties, whether express, implied or statutory, including but not limited to the implied warranties of non-infringement, merchantability and fitness for a particular purpose. the entire risk as to the quality, or arising out of the use or performance, of this product remains with customer. in no event shall nxp semiconductors, its affiliates or their suppliers be liable to customer for any special, indirect, consequential, punitive or incidental damages (including without limitation damages for loss of business, business interruption, loss of use, loss of data or information, and the like) arising out the use of or inability to use the product, whether or not based on tort (including negligence), strict liability, breach of contract, breach of warranty or any other theory, even if advised of the possibility of such damages. notwithstanding any damages that customer might incur for any reason whatsoever (including without limitat ion, all damages referenced above and all direct or general damages), the entire liability of nxp semiconductors, its affiliates and their suppliers and custom er?s exclusive remedy for all of the foregoing shall be limited to actual damages incurred by customer based on reasonable reliance up to the greater of the amount actually paid by customer for the product or five dollars (us$5.00) . the foregoing limitations, exclusions and disclaimers shall apply to the ma ximum extent permitted by applicable law, even if any remedy fails of its essential purpose. safety of high-voltage evaluation products ? the non-insulated high voltages that are present when operatin g this product, constitute a risk of electric shock, personal injury, death an d/or ignition of fire. this product is intended for evaluation purposes only. it shall be operated in a designated test area by personnel that is qualified according to local requirements and labor laws to work with non-insulated mains voltages and high-voltage circuits. the product does not comply with ie c 60950 based national or regional safety standards. nxp semiconductors does not accept any liability for damages incurred due to inappropriate use of this product or related to non-insulated high voltages. any use of this product is at customer?s own risk and liability. the customer shall fully indemnify and hold harmless nxp semiconductors from any liability, dam ages and claims resulting from the use of the product. 10.3 trademarks notice: all referenced brands, produc t names, service names and trademarks are the property of their respective owners. greenchip ? is a trademark of nxp b.v. free datasheet http://
nxp semiconductors UM10444 90 w notebook adapter with tea1753, tea1703 and tea1791 ? nxp b.v. 2011. all rights reserved. for more information, please visit: http://www.nxp.com for sales office addresses, please se nd an email to: salesaddresses@nxp.com date of release: 4 april 2011 document identifier: UM10444 please be aware that important notices concerning this document and the product(s) described herein, have been included in section ?legal information?. 11. contents 1 introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 performance data. . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 test setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1.1 test equipment . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1.2 test conditions . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2.1 energy star efficiency . . . . . . . . . . . . . . . . 5 3.2.1.1 active mode efficiency . . . . . . . . . . . . . . . . . . . 5 3.2.1.2 no-load input power . . . . . . . . . . . . . . . . . . . . . 6 3.2.1.3 full load efficiency pfc plus flyback stage . . . 7 3.3 timing and protection . . . . . . . . . . . . . . . . . . . . 7 3.3.1 switch-on delay and output rise time . . . . . . . . 7 3.3.2 brownout and brownout recovery . . . . . . . . . . . 9 3.3.3 output short circ uit protection. . . . . . . . . . . . . 10 3.3.4 output overcurrent prot ection (ocp) . . . . . . 12 3.3.5 output overvoltage prot ection (ovp) . . . . . . 12 3.3.6 overtemperature protecti on (otp) . . . . . . . . 13 3.3.7 fast latch reset . . . . . . . . . . . . . . . . . . . . . . . . 14 3.4 output regulation and characterization. . . . . . 15 3.4.1 load regulation . . . . . . . . . . . . . . . . . . . . . . . . 15 3.4.2 line regulation . . . . . . . . . . . . . . . . . . . . . . . . 16 3.4.3 ripple and noise pard (periodic and random deviation) . . . . . . . . . 16 3.4.4 dynamic load response . . . . . . . . . . . . . . . . . 17 4 electromagnetic compatibility (emc) . . . . . . 19 4.1 conducted emission . . . . . . . . . . . . . . . . . . . . 19 4.2 immunity against lighting surges . . . . . . . . . . 20 4.3 immunity against esd . . . . . . . . . . . . . . . . . . 21 4.4 mains harmonic reduction . . . . . . . . . . . . . . . 21 5 schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 6 bill of materials . . . . . . . . . . . . . . . . . . . . . . . . 25 7 transformer and inductor specifications . . . 28 7.1 flyback transformer t1 specifications . . . . . . 28 7.2 pfc inductor l2 specifications . . . . . . . . . . . . 29 8 pcb layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9 abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 31 10 legal information. . . . . . . . . . . . . . . . . . . . . . . 32 10.1 definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 10.2 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 10.3 trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 32 11 contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 free datasheet http://

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