View ZSLS7031_7605835.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

data sh eet rev. 1.00 / april 201 3 ZSLS7031 isolat ed and n on - isolat ed flyback led d river with a ctive pfc led lighting ics wise and efficient
for more information, contact zmdi via led_drivers@zmdi.com . ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc ? 2013 zentrum mikroelektroni k dresden ag rev. 1.00 may 7 , 2013 all rights reserved. the material c o ntained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publication is subject to changes without notice. brief description the ZSLS7031 is a primary - side controlled , peak - current - mode high - brigh tness led flyback driver that supports both isolated and non - isolated designs with active power factor correction (pfc) . the device works at a constant frequency in discontinuous conduction mode to provide con - stant power to the output . it eliminates the need for an opto - coupler, tl431 shunt regulator , or any other type of seco ndary - sid e feedback device . it operates from a wide input voltage range of 85vac to 265v ac. the ZSLS7031 integrates over - current and over - voltage protection, as well as a thermal shutdown to halt the switching action in the event of ab nor - mally high operating temperatures. benefits ? high efficiency ? minimum bill of materials ? small form - factor package ? no loop compensation required ? isolated and non - isolated applications features ? power factor pf > 0.95 depending on application ? wide application input voltage range: 85v to 265vac ? internal over - temperature protection ? output o ver - voltage protection ( ovp ) ? output over - current protection ( ocp ) on primary side available support ? evaluation kit physical characteristics ? operating temperature : - 45 c to 105 c ? maximum j unction temperature: 150 c ? package: m sop - 8, rohs - co mpliant zsls7 031 typic al isolated application q1 ic1 ZSLS7031 vsine 1 fset 3 gnd 4 gate 7 cs 6 fb 5 n.c. 2 vcc 8 d3 tr led+ led1 to ledn led- d4 c6 r8 c1 r1 r2 c2 rset r3 c4 rcs r9 c3 r5 c5 r6 r7 d2 d1 - + db1 to db4 l 85vac to 265vac n fuse
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 may 7 , 2013 all rights reserved. the material c o ntained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior writ ten consent of the copyright owner. typical applications ? led bulb lamp s ? led tube lamp s ? general led lighting circuit block diagram ordering information ordering code description package ZSLS7031zi1r ZSLS7031 flyback led driver i c , msop - 8 t a pe on r eel ZSLS7031kit - d 1 ZSLS7031 pcb - d 1 evaluation bo ard, 5 ZSLS7031 ics kit sales and further information www.zmdi.com led_drivers@zmdi.com zentrum mikroelektronik dresden ag global headquarters grenzstrasse 28 01109 dresden, germany central office: phone +49.351.8822.0 fax +49.351.8822.600 zmd america, inc. 1525 mccarthy blvd., #212 milpitas, ca 95035 - 7453 usa usa phone +855.275.9634 zentrum mikroelektronik dresden ag, japan office 2nd floor, shinbashi tokyu bldg. 4 - 21 - 3, shinbashi, minato - ku tokyo, 105 - 0004 japan zmd far east, ltd. 3f, no. 51, sec. 2, keelung road 11052 taipei taiwan zentrum mikroelektronik dresden ag, korea office u - space 1 building 11th floor, unit ja - 1102 670 sampyeong - dong bundang - gu, seongnam - si gyeonggi - do, 463 - 400 korea phone +82.31.950.7679 fax +82.504.841.3026 phone +408.883.6310 fax +408.883.6358 phone +81.3.6895.7410 fax +81.3.6895.7301 phone +886.2.2377.8189 fax +886.2.2377.8199 european technical support phone +49.351.8822.7.772 fax +49.351.8822.87.772 disclaimer : this information applies to a product under development. its characteristics and specifications are subject to change without notice. zentrum mikroelek tronik dresden ag (zmd ag) assumes no obligation regarding future manufacture unless otherwise agreed to in writing. the information furnished hereby is believed to be true and accu rate. however, under no circumstances shall zmd ag be liable to any customer, licensee, or any other third party for any special, indirect, incidental, or consequential damages of any kind or nature what soever arising out of or in any way related to the fu rnishing, performance, or use of this technical data. zmd ag hereby expressly disclaims any liability of zmd ag to any customer, licensee or any other third party, and any such customer, licensee and any other third party hereby waives any liab ility of zmd ag for any damages in connection with or arising out of the furnishing, performance or use of this technical data, whether based on contract, warranty, tort (including negligence), strict liability, or otherwise. european sales (stuttgart) phone +49.711.674517.55 fax +49.711.674517.87955
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 4 of 21 contents 1 ic characteristics ................................ ................................ ................................ ................................ .......................... 6 1.1 absolute maximum/minimum ratings ................................ ................................ ................................ .................... 6 1.2 operating conditions ................................ ................................ ................................ ................................ ............. 6 1.3 electrical parameters ................................ ................................ ................................ ................................ ............. 7 1.4 typical performance characteristics graphs ................................ ................................ ................................ ......... 8 2 circu it description ................................ ................................ ................................ ................................ ....................... 10 2.1 ZSLS7031 overview ................................ ................................ ................................ ................................ ............ 10 2.2 startup voltage ................................ ................................ ................................ ................................ .................... 10 2.3 soft start control ................................ ................................ ................................ ................................ ................. 10 2.4 gate output voltage clamp ................................ ................................ ................................ ................................ . 11 2.5 v sine detection network and active pfc ................................ ................................ ................................ ............. 11 2.6 operating frequency ................................ ................................ ................................ ................................ ........... 12 2.7 output over - voltage protection ................................ ................................ ................................ ........................... 13 2.8 output over - current protection (ocp) ................................ ................................ ................................ ................ 13 2.9 under - voltage lock out (uvlo) ................................ ................................ ................................ ......................... 13 3 application circuit design ................................ ................................ ................................ ................................ ........... 14 3.1 typical applications ................................ ................................ ................................ ................................ ............. 14 3.2 line regulation compensation design ................................ ................................ ................................ ................ 14 3.3 transform er design ................................ ................................ ................................ ................................ ............. 14 3.4 printed circuit board (pcb) design considerations ................................ ................................ ............................ 17 4 esd protection ................................ ................................ ................................ ................................ ............................ 19 5 pin configuration and package ................................ ................................ ................................ ................................ ... 19 6 glossary ................................ ................................ ................................ ................................ ................................ ...... 20 7 ordering information ................................ ................................ ................................ ................................ ................... 21 8 document revision history ................................ ................................ ................................ ................................ ......... 21 list of figures figure 1.1 v in vs. pf (output: v out =40v, i out =0.45a) ................................ ................................ ................................ .... 8 figure 1.2 v in vs. i out (output: target i out =0.45a, v out =40v, without line compensation circuit) ................................ ... 8 figure 1.3 v in vs. efficiency (output: v out =40v, i out =0.45a) ................................ ................................ ......................... 8 figure 1.4 v in vs. i out (output: target i out =0.45a, v out =40v, with line compensation circuit) ................................ ........ 8 figure 1.5 thd of v in =110v (output: v out =40v, i out =0.45 a) ................................ ................................ ........................ 9 figure 1.6 thd of v in =230v (output: v out =40v, i out =0.45a) ................................ ................................ ........................ 9 figure 2.1 ZSLS7031 block diagram ................................ ................................ ................................ ............................ 10 figure 2.2 ZSLS7031 soft start ................................ ................................ ................................ ................................ .... 11
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 5 of 21 figure 2.3 active pfc ................................ ................................ ................................ ................................ ................... 12 figure 2.4 output over - voltage protection ................................ ................................ ................................ ................... 13 figure 2.5 under - voltage lock out ................................ ................................ ................................ ............................... 14 figure 3.1 typical isolated application circuit ................................ ................................ ................................ ............... 15 figure 3.2 typical non - isolated application circuit ................................ ................................ ................................ ....... 16 figure 3.3 ZSLS7031pcb - d1v1 demonstration board layout ................................ ................................ ..................... 17 figure 3.4 ZSLS7031pcb - d1v1 demonstration board circuit ................................ ................................ ...................... 18 figure 5.1 ZSLS7031 pin assignments top view ................................ ................................ ................................ ......... 19 figure 5.2 msop - 8 package dimensions ................................ ................................ ................................ ..................... 20 list of tables table 1.1 absolute maximum ratings ................................ ................................ ................................ ............................ 6 table 1.2 operating conditions ................................ ................................ ................................ ................................ ...... 6 table 1.3 electrical pa rameters ................................ ................................ ................................ ................................ ..... 7 table 5.1 pin description msop - 8 ................................ ................................ ................................ ............................... 19
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 6 of 21 1 ic characteristics stresses beyond those listed under absolute maximum /minimum ratings (section 1.1 ) may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those recommended under operating con ditions (section 1.2 ) is not implied. exposure to absolute maximum conditions for extended periods may affect device reliability . 1.1 absolute maximum /minimum ratings table 1 . 1 absolute maximum ratings n o . parameter symbol conditions min typ max unit 1.1.1 vcc to gnd v cc - 0.3 24 v 1.1.2 vsine, fset, nc, cs, fb - 0.3 5.5 v 1.1.3 vcc input current i cc 10 ma 1.1.4 esd p erformance human body mod el (hbm) based on mil 883 - h, method 3015.8 2 kv 1.1.5 junction temperature t jmax 15 0 c 1.1.6 storage temperature t s t - 6 5 150 c 1.2 operating conditions table 1 . 2 operating conditions no. parameter symbol conditions min typ max unit 1.2.1 ope rating temp erature t amb - 4 5 1 0 5 c 1.2.2 vcc voltage range v cc 9 2 2 v
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 7 of 21 1.3 electrical parameters except as noted, test c onditions for the following specifications are vcc=16v, fb=0v, vsine=2.5v, v cs =0v, r set =3 00 k ? , and t amb = 25c (typical). production testing of the chip is performed at 25c unless otherwise stated . functional operation of the chip and specified parameters at other temperatures are guaranteed by design, characterization, and process control . table 1 . 3 electrical parameters no. parameter symbol conditions min typ max unit 1.3.1 vcc star t up voltage threshold v th_s vcc rising 14.5 16 17.5 v 1.3.2 vcc u nder - volta ge threshold v th_d v cc falling 7 8 9 v 1.3.3 gate output voltage clamp value v gateclp vcc rising to 22v 15 17.5 19 v 1.3.4 quiescent supply current i cc not switching 800 a 1.3.5 startup current i st vcc < vth_s 60 80 a 1.3.6 primary peak current control threshold voltage v cs 0.49 0.5 0.51 v 1.3.7 blanking time t blank 500 800 ns 1.3.8 rise time t rise 0v to 7v, 1nf capacitor from gate to gnd 100 120 ns 1.3.9 fall time t fall v cc = 16v, 1nf capacitor from gate to gnd 50 80 ns 1.3.10 ovp rising voltage threshold of f b v ovp_h 1.2 1.25 1.3 v 1.3.11 ovp falling voltage threshold of fb v ovp_l 0.95 1.0 1.05 v 1.3.12 operating frequency f r set = 300k ? 49 50 51 khz 1.3.13 cs over - current protection delay t ocp f = 50 khz 500 600 750 s 1.3.14 cs over - current protection threshold v ocp_th f = 50 khz 0.65 0.70 0.75 v
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 8 of 21 1.4 typical performance characteristics graphs fig ure 1 . 1 v in vs. pf (output: v out =40v, i out =0.45a) figure 1 . 2 v in vs. i out (output: target i out =0.45a, v out =40v, with out line compensation ci rcuit) figure 1 . 3 v in vs. efficiency (output: v out =40v , i out =0.45a) figure 1 . 4 v in vs. i out (output: target i out =0.45a, v out =40v, with line com pensation ci rcuit)
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 9 of 21 iec 61000 - 3 - 2 2001 t est result figure 1 . 5 thd of v in =110v (output: v out =40v , i out =0.45a) figure 1 . 6 thd of v in = 2 30v (output: v out =40v, i out =0.45a) iec 61000 - 3 - 2 2001 t est result
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 10 of 21 2 circuit description refer to the basic application circuit shown on page 2 for the external components referenced in the following sections. 2.1 ZSLS7031 overview the zsls70 31 consists of the basic functional blocks s hown in figure 2 . 1 . figure 2 . 1 zsls70 31 block diagram 2.2 startup voltage after power is applied to the circuit, r3 provides a trickle current to allow c4 to begin charging. the ZSLS7031 starts functioning when the voltage across c4 reaches the start up threshold v th_s , which is approximately 16.5v (see specification 1.3.1 ) . the value of r3 and c4 can be determined by the input voltage. cho o sing a larger value o f r3 increase s the startup time but reduce s the losses after the circuit is running. a low esr capaci tor o f 2.2 f rated for 2 5v is recommended for c4. 2.3 soft start control when the ZSLS7031 is initially powered up, the internal automat ic gain control (agc) output is at the minimum value, so the peak cs threshold is initially much less than 0.5v. the agc step s up cycle - by - cyc le until the cs threshold at the peak of the input sine wave is equal to 0 .5v. with this technique, it will take several cycles of the ac waveform for the final value of current to be attained, as shown in figure 2 . 2 .
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 11 of 21 figure 2 . 2 ZSLS7031 soft start 2.4 gate output voltage clamp zsls70 31 provides th e voltage clamp for the gate output. when the voltage at vcc is smaller than the v gateclp threshold (see specification 1.3 .3 ) , the output high voltage of the gate outpu t is approximately vcc. when the voltage of vcc is greater than the v gateclp threshold, the output high voltage of gate is limited to the v gateclp threshold. 2.5 v sine detection networ k and active pfc the voltage v sine at the vsine pin is used to control the waveform of the input current to ensure that it follow s the input voltage waveform, v bulk , to achieve a high power factor ( pf ) and low total harmo nic distortion ( thd ) perfor - mance, as demonstrated in figure 2 . 3 .
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 12 of 21 figure 2 . 3 active pfc v sine is used to detect the input voltage that controls the peak current waveform in the primary in ductor. an integrated agc ensures that the peak current of the inductor remains constant with changing input voltage. this allows the ZSLS7031 to actively correct t he power factor while maintaining a constant power output during operation. the resistor network connected to vsine should be co mputed so that the peak input voltage condition corresponds to ~2.4vdc. for example, for 265va c, the peak voltage is 374.7v. at 374.7v input, the output of the network should be 2.4 v ; th erefore values of r1=1.86 m and r2 = 12k are appropriate. precision r esistors of 1% tolerance or bette r m ust be used . a small capacitor, c2, is used to filter high frequency noise that may couple to th e vsine pin. 2.6 operating fre quency the operating frequency is set by connecting a resistor between the fset pin and ground. the relationship between the frequency and resistance is g iven in equation (1) . (1) ? ? ? ? ? ? ? k r khz f set 3 10 15
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 13 of 21 2.7 output over - voltage protection o ver - voltage protection of the output (o v p) is achieved by connecting a resistor network from the auxiliary winding to the fb pin. by sensing the voltage of the auxiliary winding, which is proportional to the output voltage, the ZSLS7031 detects when there is an open circuit condition on the secondary side and consequently reduces the switching action to a minimum burst mode . the threshold voltage for the fb pin is ty pical ly 1 .25v. care must be taken that the high ripple current bursts do not lead to an overshoot of the output capacitors rated voltage. this can be accomplished by a zener diode in pa rallel , rated slightly lower than the output capacitor s nominal voltage or a reasonable discharge resistor . the zsl s7031 will recover to normal operation when the open - circuit condition has been corrected . figure 2 . 4 output over - voltage pro tection 2.8 output over - current protec tion (ocp) if the output of the circuit is suddenly shorted, the resulting over - current condition is detected on the primary side and the converter will shut off for 30 cycles when the over - current comparator has switched after time t bla nk (see specification 1.3.7 ) has elapsed. 2.9 under - v oltage lock out (uvlo) if the input voltage on the vcc pin falls below the under - voltage threshold v th_d (see specification 1.3.2 ), the under voltage lock out (uvlo) will be triggered. in this event , the device will stop operating u ntil the vcc voltage rises ab ove the startup threshold v th_s (see specification 1.3.1 ) , at which point t he device will start again.
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 14 of 21 figure 2 . 5 under - voltage lock o ut 3 application circuit design 3.1 typical applications t he typical application circuits shown on the following pages are designed for a wide input voltage range 85vac to 265vac. 3.2 line regulation compensation design the output power of the ZSLS7031 varies slightly with input volta ge due to the small delay associated with the current - sense control loop. at high input voltages, the slope of the input current is quite steep, and therefore it will overshoot the tar get value by more than it would at low input voltage conditions. therefore, under wide input voltage conditions, and without additional compensation, the output power varies over the full input voltage range, 85 vac to 265vac, by about +/ - 5%. to further improve the line regulation , a simple compensation circuit can be added a s shown in figure 3 . 1 and figure 3 . 2 with components r4, r12, r13, r14, r15, and c9. 3.3 transformer design the transformer design is described in a separate application note ZSLS7031_an_transformerdesign.pdf sup - ported by a calculation spreadsheet.
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 15 of 21 figure 3 . 1 typical isolated application circuit q1 ic1 ZSLS7031 vsine 1 fset 3 gnd 4 gate 7 cs 6 fb 5 n.c. 2 vcc 8 d3 mov cx1 cx2 l1 l2 r10 l3 r11 tr + c7 r17 c8 led+ led1 to ledn led- cy d4 c6 r8 c1 r1 r2 d5 c2 r16 r9 r4 r3 c4 rcs c3 r5 r14 c5 r15 r6 r7 r13 r12 c9 d2 d1 - + db1 to db4 l 85vac to 265vac n fuse
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 16 of 21 figure 3 . 2 typical non - isolated application circuit q1 d4 led- led1 to ledn1 led+ tr1 + c7 c6 r8 ic1 ZSLS7031 vsine 1 fset 3 gnd 4 gate 7 cs 6 fb 5 n.c. 2 vcc 8 d3 mov cx1 cx2 l1 l2 r10 l3 r11 c1 r1 r2 d5 c2 r16 r9 r4 r3 c4 rcs c3 r5 r14 c5 r15 r6 r7 r13 r12 c9 d2 d1 - + db1 to db4 l 85vac to 265vac n fuse
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 17 of 21 3.4 printed circuit board ( pcb ) des ign considerations the guidelines in this section are strongly recommended when laying out application circuits. as for all switching power supplies, especially those providing high current and using high switching frequencies, layout is an impor - tant design step. if the layout is not well - designed, the regulator could show instability as we ll as emi problems. for additional information, refer to the zmdi application note pcb layout design guidelines for led driver circuits available at www.zmdi.com/products/led - drivers/ . c omponents such as r4 , r cs , r 6, r 7 , r 2 , c 2 , c 5 , etc. , that are connected to the ZSLS7031 as well as the bypass capacitors should be mounted as close to the ZSLS7031 a s possible. switching signal traces should be kept as short as possible and not be routed in parallel to one another so as to prevent coupling. p ow er g round and s ignal g round should be separ ated, and th e traces of p ower g round should be kept as short as possible. figure 3 . 3 shows, as an example, the layout of the zsl s7031 demonstration b oard comprisi ng a 20w isolated flyback design on a 28mm x 71mm pcb area . note: this boards component labels are different from those in previous schematics and equations . figure 3 . 4 shows the corresponding circuit diagram. figure 3 . 3 ZSLS7031pcb - d1v1 demonstration board layout
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 18 of 21 figure 3 . 4 ZSLS7031pcb - d1v1 demonstration board circuit f1 1at q1 ipp60r950 j1 85vac to 265vac l n u1 ZSLS7031 vsine 1 fset 3 gnd 4 gate 7 cs 6 fb 5 n.c. 2 vcc 8 mov l2 3m r2 4k7 cx1 0.1u - + db1 to db4 d4 cx2 0.1u l1 3m l3 3m r13 4k7 r4 4k7 c6 0.1u r5 910k r9 910k r18 13k c7 1n c8 1u r7 910k r11 910k r16 68k r19 20k r15 1m2 r17 240k r6 180k r10 180k c9 10u r14 10r r12 47r d3 r24 1r r21 1r3 r20 1r21 c2 1n r3 150k c10 1u r22 220k r23 10k cy tr pq20/16 custom 8 10 1 4 5 6 3 d2 d5 r1 n.p. + c3 330u j2 led+ led- d1 c5 n.p. r8 n.p. + c4 330u c1 n.p.
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 19 of 21 4 esd protection all pins have an esd protection of ? 2 0 00v according to the human body model (hbm). the esd test follows the h uman body model based on mil 883 - h, method 3015. 8. 5 pin configuration and package figure 5 . 1 zsls70 31 pin assignments top view table 5 . 1 pin description m sop - 8 pin name no. description vsine 1 line voltage sense input required for pfc. nc 2 not connected. leave floating in the application. fset 3 connect a resistor from this pin to gnd to set the operating frequency . gnd 4 ground. common potential to all internal circuitry. fb 5 auxiliary winding voltage sensing pin for ovp. cs 6 primary winding peak current sensing input. gate 7 external p ower n mos gate driving output . vcc 8 internal circuit power supply input. fb cs gate vcc gnd fset n . c . vsine 1 2 3 4 6 5 7 8
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 20 of 21 figure 5 . 2 m so p - 8 package dimensions 6 glossary term description agc automatic gain control ldo low dropout (regulator) ocp over - current protection ovp over - voltage protection pf power factor pfc power factor correction thd total harmonic distortion uvlo under - voltage lock out
ZSLS7031 isolated and n on - isolated flyback led d river with a ctive pfc data sheet may 7 , 20 13 ? 2013 zentrum mikroelektronik dresden ag rev. 1.00 all rights reserved. the material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. the information furnished in this publicatio n is subject to changes without notice. 21 of 21 7 ordering information ordering code description package ZSLS7031zi1r ZSLS7031 flyback led driver i c, msop - 8 t ape on reel ZSLS7031kit - d 1 ZSLS7031pcb - d 1 evaluation bo ard, 5 ZSLS7031 ics kit 8 document revision history revision date description 1.00 may 7 , 2013 first release. sales and further information www.zmdi.com led_drivers@zmdi.com zentrum mikroelektronik dresden ag global headquarters grenzstrasse 28 01109 dresden, germany central office: phone +49.351.8822.0 fax +49.351.8822.600 zmd america, inc. 1525 mccarthy blvd., #212 milpitas, ca 95035 - 7453 usa usa phone +855.275.9634 zentrum mikroelektronik dresden ag, japan office 2nd floor, shinbashi tokyu bldg. 4 - 21 - 3, shinbashi, minato - ku tokyo, 105 - 0004 japan zmd far east, ltd. 3f, no. 51, sec. 2, keelung road 11052 taipei taiwan zentrum mikroelektronik dresden ag, korea office u - space 1 building 11th floor, unit ja - 1102 670 sampyeong - dong bundang - gu, seongnam - si gyeonggi - do, 463 - 400 korea phone +82.31.950.7679 fax +82.504.841.3026 phone +408.883.6310 fax +408.883.6358 phone +81.3.6895.7410 fax + 81.3.6895.7301 phone +886.2.2377.8189 fax +886.2.2377.8199 european technical support phone +49.351.8822.7.772 fax +49.351.8822.87.772 disclaimer : this information applies to a product under development. its characteristics and specifications are subject to change witho ut notice. zentrum mikroelek tronik dresden ag (zmd ag) assumes no obligation regarding future manufacture unless otherwise agreed to in writing. the information furnished hereby is believed to be true and accurate. however, under no circumstances shall zmd ag be liable to a ny customer, licensee, or any other third party for any spe cial, indirect, incidental, or consequential damages of any kind or nature whatsoever arising out of or in any way related to the furnishing, performance, or use of this technical data. zmd ag hereby expressly disclaims any liabi lity of zmd ag to any custo mer, licensee or any other third party, and any such customer, licensee and any other third party hereby waives any liability of zmd ag for any damages in connection with or arising out of the furnishing, performance or use of this technical data, whether based on contract, warranty, tort (including negligence), strict liability, or otherwise. european sales (stuttgart) phone +49.711.674517.55 fax +49.711.674517.87955
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: zmdi: ? ZSLS7031zi1r? ZSLS7031kit-d1

▲Up To Search▲

Price & Availability of ZSLS7031

	To Download ZSLS7031 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .