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1. general description the SSL5015TE is a high-voltage integrated circuit (ic) controlle r with an integrated mosfet for driving led lamps in general ma ins non-dimmable lighting applications. the ic is dedicated to 100 v (ac) or 120 v (ac) input applications. the main benefits of these products are: ? small printed-circuit board (pcb) footprint, and compact solution ? high efficiency (up to 93 %) ? high input power factor (> 0.95); low total harmonic distortion (thd; < 20 %) ? intermediate power factor (pf > 0.7); low ripple (< 5 %); minimum external component count ? enhanced power capability ? low electronic bill of material (bom) the SSL5015TE operates in boundary conduction mode (bcm) with peak current modulation, providing an input power factor corr ection. the ic is typically configured to a buck converter. it can start up directly from the hv pin using an internal high-voltage current source. when the converter is switching, v cc is supplied through the dvdt pin by a capacitor coupled to the drain pin or by an auxiliary supply. this feature simplifies the v cc supply. it allows a low-cost off-the-shelf inductor to be used, providing flexibility in application design. the ic supply current is 1.3 ma. the SSL5015TE comes in a compact hso8 package incorporating an exposed pad to enhance the ther mal capability for high-power applic ations, like 18 w t-leds or higher power lamps. 2. features and benefits ? driving led strings from a rectified mains supply ? highly integrated switch mode led driver with integrated 300 v (dc) power switches ? efficient bcm operation with: ? no reverse recovery loss es in freewheel diode ? zero current switching (z cs) for turn-on of switch ? zero voltage or valley swit ching for turn-on of switch ? minimal required inductance value and size ? direct pwm current regulation possible ? fast transient response throu gh peak current mode control: SSL5015TE compact non-dimmable led driver ic rev. 2 ? 26 february 2014 product data sheet
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 2 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic ? no overshoots or undershoots in the led current ? internal protections: ? undervoltage lockout (uvlo) ? leading-edge blanking (leb) ? overcurrent protection (ocp) ? internal overtemperature protection (otp) ? brownout protection ? output short protection (osp) ? low bom led driver solution (see figure 3 ): ? no schottky diode required due to zcs ? easy external temperature protection with a single ntc resistor ? option for soft-start function ? compatible with wall switches wit h built-in standby indicator lights 1 ? ic lifetime meets and exceeds t he required led lamp lifetime 3. applications the SSL5015TE is intended for low-cost ma ins non-dimmable led lighting applications, including 18 w t-leds or higher power lamps, with a high power factor. the ic operates from 100 v (ac) or 120 v (ac) mains voltages. the output current can be modulated using a pwm signal. 4. quick reference data [1] an internal clamp sets the supply voltage. the current into the vcc pin must not exceed the maximum i dd value (see table 5 ). 1. the hotaru switch is a known wall switch with built-in light table 1. quick reference data symbol parameter conditions min typ max unit v cc supply voltage operating range [1] 8-15v r dson drain-source on-state resistance t j =25 ?c 2.05 2.3 2.55 ? t j = 125 ?c 3.05 3.45 3.85 ? f conv conversion frequency - 100 - khz i drain current on pin drain ? 2- +2a v drain voltage on pin drain ? 0.4 - 300 v
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 3 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 5. ordering information 6. block diagram table 2. ordering information type number package name description version SSL5015TE hso8 plastic small package outline body; 8 leads; body width 3.9 mm sot786-3 table 3. ordering options type input voltage internal mosfet characteristics package SSL5015TE 100 v; 120 v 300 v (dc); 2 ? hso8 fig 1. SSL5015TE block diagram ddd -)(7 + 9 9&& 17& *1' '9'7 '5$,1 6285&( 6833/< ,17(51$/ 5(*8/$725 $1' %$1'*$3 g9gw 6833/< 9$//(< '(7(&7,21 72))0$; /2*,& 7210$; %/$1. /2*,& &21752/ $1' 3527(&7,21 17& )81&7,21 7+(50$/ 6+87'2:1 325 9!9 6285&(
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 4 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 7. pinning information 7.1 pinning 7.2 pin description fig 2. SSL5015TE pin configuration (hso8) +9 '5$,1 6285&( *1' 6285&( '9'7 9&& 17& ddd ,& h[srvhgglhsdg table 4. pin description symbol pin (so8) description hv 1 high-voltage supply pin source1 2 internal mosfet source source2 3 current sensing source vcc 4 supply voltage ntc 5 led temperature protection input dvdt 6 capacitor switching supply pin gnd 7 ground drain 8 internal mosfet drain
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 5 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 8. functional description 8.1 converter operation the converter in the SSL5015TE is a bcm, peak current controlled system. figure 3 shows the basic application diagram. figure 4 shows the waveforms. this converter operates at the boundary between continuous and discontinuous modes. energy is stored in inductor l when the mosfet is switched on. the inductor current i l is zero when the internal mosfet is switched on at t 0 . thereafter, the amplitude of the current builds up in l proportionally with v in ? v out and the time that the internal mosfet is on (t 0 to t 1 ). the peak current sensed at the source2 pin determ ines when the mosfet is switched off. when the internal mosfet switches off at t 1 , the current flows through the freewheeling diode and the output capacitor (t 2 to t 3 ). the current then drops at a rate proportional to the value of v out . when the inductor current reaches zero, after a short delay (t 3 to t 00 ), a new switching cycle is started when the mosfet is switched on again. 8.2 valley detection after the inductor current decreases to zero at t 3 , the drain voltage starts to oscillate around the v in ? v out level, with an amplitude equal to v out . a special feature called valley detection is integrated in the SSL5015TE circuitry. the dedicated valley detection circuitry connected to the drain pin senses when the voltage on the drain of the switch reaches its lowest level (valley). when the va lley is detected, the s witch is switched on again. the next switching cycle is started. as a result, the switch-on switching losses are reduced. if both the frequency of t he oscillations and the volta ge swing are within the range specified (f ring and ? v vrec(min) ) for detection, a valley is detected and accepted. if a valid valley is not detected, the switch is kept off until the maximum off-time (t off(high) ) is reached. then the next switching cycle is started. fig 3. basic SSL5015TE application diagram ddd 6285&( 6285&( '5$,1 /('v 9 vhf / '9'7 +9 9&& *1' 17& 17& 5 vhqvh 5 lquxvk ,& ,
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 6 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 8.3 protective features the ic has the following protective features: ? undervoltage lockout (uvlo) ? leading-edge blanking (leb) ? overcurrent protection (ocp) ? internal overtemperature protection (otp) ? brownout protection ? output short protection (osp) ? led overtemperature foldback protection osp is a latched protection. it causes the ic to halt until a reset (a result of power cycling) is executed. when v cc drops to lower than v cc(rst) , the ic resets the latch protection. the internal otp and led overtemperature protecti ons are safe-restart protections. the ic halts, causing v cc to drop to lower than v cc(stop) , instigating a start-up. when v cc drops to lower than v cc(rst) , the ic resets the latch protection. switching starts only when no fault condition exists. 8.3.1 undervoltage lockout (uvlo) when the voltage on the vcc pin drops to lower than v cc(stop) , the ic stops switching. when v cc drops to below v cc(rst) , the ic resets. an attempt is made to restart from the hv pin when v cc >v cc(startup) . fig 4. buck waveforms and valley detection ddq ghpdjqhwl]dwlrq 9 ,1 ydooh\ lqwhuqdo026)(7 vzlwfk 9 *$7( 9 ' , / 9 287 pdjqhwl]dwlrq w w w w w 7
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 7 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 8.3.2 leading-edge blanking (leb) to prevent false detection of the short-windi ng or overcurrent, a blanking time following switch-on is implemented. when the intern al mosfet switch turns on there can be a short current spike due to capacitive dischar ge of voltage over the drain and source. during the leb time (t leb ), the spike is disregarded. 8.3.3 overcurrent protection (ocp) the SSL5015TE contains a highly accurate built -in peak current detector. it triggers when the voltage at the source pin reaches the peak-level v th(ocp)source . the current through the switch is sensed using a resistor connected to the source pin. the sense circuit is activated following leb time (t leb ). as the led current is half the peak current (by design), it automatically provides protection for maximum led current during operation. there is a propagation delay (t d(ocp-swoff) ) between overcurrent detection and the actual mosfet switch-off. due to the delay, the actual peak current is slightly higher than the ocp level set by the resistor in series with the source pin. 8.3.4 overtemperature protection (otp) when the internal otp function is triggered at a certain ic temperature (t th(act)otp ), the converter stops operating. the safe-restart prot ection is triggered and the ic restarts with switching resuming when the ic temperature drops to lower than t th(rel)otp . 8.3.5 brownout protection brownout protection is designed to limit the lamp power when the input voltage drops close to the output voltage level. the input power has to remain constant. the input current would otherwise increase to a level that is too high for the input circuitry. for the SSL5015TE, there is a maximum limit on the on-time t on(high) . the rate of current rise in the coil during the on-phase is proportional to the difference between input voltage and output voltage. therefore, the peak current cannot be reached before t on(high) . as a result the average output current to the leds is reduced. 8.3.6 output short protection (osp) during the switch-off time, if a valley is no t detected within the maximum off-time limit (t off(high) ), the output voltage is less than the mini mum limit allowed in t he application. this condition can occur either during start-up or due to a short-circuit. a timer is started when t off(high) is detected, and is stopped only if a valid valley-detection occurs in one of the subsequent cycles. the timer can also be reset if the maximum limit on the on-time of the switch (t on(high) ) is reached, which is usually the ca se at start-up (brownout protection). the timer can also be reset if the maximu m limit on the on-time of the switch (t on(high) ) is reached, which is usually the case at start-up (brownout protection). if no valley is detected and t on(high) is not reached before t det(sc) , then it is concluded that a real short-circuit exists. the ic enters latched protection. if v cc drops to lower than v cc(rst) , the ic resets the latched protection. during pwm current regulation, the osp timer is paused during the off-cycle of the pwm signal.
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 8 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 8.4 vcc supply the SSL5015TE is supplied in three ways: ? under normal operation, the voltage swing on the dvdt pin is rectified within the ic supplying current to the vcc pin ? at start-up, there is an internal current source connected to the hv pin. the current source provides internal power until either the dv/dt supply or an external current on the vcc pin can provide the supply ? an auxiliary winding on the output inductor ca n be used to provide the supply; connect and rectify the voltage to the vcc pin using a series resistor. the ic starts up when the voltage at the vcc pin is higher than v cc(startup) . the ic locks out (stops switching) when the volt age at the vcc pin is lower than v cc(stop) . the hysteresis between the start and stop levels allows the ic to be supplied by a buffer capacitor until the dv/dt supply is se ttled. the SSL5015TE has an internal v cc clamp, which is an internal active zener (or shun t regulator). it limits the voltage on the vcc supply pin to the maximum value of v cc . if the maximum curren t of the dv/dt supply minus the current consumption of the ic (determined by the load on the gate drivers) is lower than the maximum value of i dd , no external zener diode is required in the dv/dt supply circuit. 8.5 dvdt pin supply (dv/dt) the dvdt pin is connected to an internal sing le-sided rectification stage. when a different voltage with sufficient amplitude is supplied to the pin, the ic can be powered without any other external power connection. this solution provides an effective method of preventing additional high power losses, which occur when a regulator is used to power the ic continuously. unlike an auxilia ry supply, additional inducto r windings are not required. 8.6 vcc regulator during supply dips, the input voltage can drop so much that it can no longer supply the required ic current through the dvdt pin. under these conditions, if the vcc voltage drops to lower than v cc(swon)reg , another regula tor with a current ca pability of up to i sup(high)hv is started. this regulator provides the required additional su pply current, which the dv/dt supply is unable to deliver, thus preventing that the ic enters uvlo. when the vcc voltage exceeds v cc(swon)reg level, the regulator is switched off. fig 5. osp logic diagram ddd 9$//(< '(7(&7,21 7,0(5 w ghwvf 9 &&uvw w rqkljk 9 &&vwrs 64 5 w riikljk 6 263 4 5 ?
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 9 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 8.7 ntc function and pwm current regulation the ntc pin can be used as a control method for led thermal protection. alternatively, the pin can be used as an input to disable/enab le light output using a digital signal (pwm current regulation). the pin has an internal current source that generates the i offset(ntc) current. to monitor the led temperature, an ntc resistor can be connected directly to the ntc pin. depending on the resistance value and the corresponding voltage on the ntc pin, the converter reacts as shown in figure 6 . when the voltage on the ntc pin exceeds v th(high)ntc (see figure 6 (4)), the converter delivers nominal output current. when the voltage is lower than this le vel, the peak current is gradually reduced until v th(low)ntc is reached (see figure 6 (3)). the peak current is now half the peak current of nominal operation. when v act(tmr)ntc is passed (see figure 6 (2)), a timer starts to run to distinguish between the following situations: ? if the low-level v deact(tmr)ntc is not reached within time t to(deact)ntc (see figure 6 (1)), led overtemperature is detected. the ic stops switching and attempts to restart from the hv pin voltage. restart takes place when the voltage on the ntc pin is higher than v th(low)ntc (see figure 6 (4)). it is assumed that the reduction in peak current does not result in a lower ntc temperature and led otp is activated. ? if the low-level v deact(tmr)ntc is reached within the time t to(deact)ntc (see figure 6 (1)), it is assumed that the pin is pulled down externally. the internal current source i offset(ntc) is switched off in this mode. the restart function is not triggered. instead, the output current is reduced to zero. pwm current regulation can be implemented this way. the output current rises again when the voltage applied on the ntc pin is higher than v th(low)ntc . a ptc resistor, connected between the vcc pin and the ntc pin, in se ries with a resistor connected from the ntc pin to ground, can be used for thermal protection. in this situation, the voltage on the ntc pin must be less than the minimum value of v act(tmr)ntc before the voltage on the vcc pin reaches v cc(startup) during start-up. fig 6. ntc control curve ddq , sn 3hdnfxuuhqw , sn 9 wkrfs6285&( p9 9 wkrfs6285&( p9 9 17& 9 w k k lj k 1 7 & 9 w k or z 1 7 & 9 d f w w p u 1 7 & 9 g h d f w w p u 1 7 &
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 10 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 8.8 heat sink the copper of the pcb acts as the heat sink for SSL5015TE applications. equation 1 shows the relationship between the maximum allowable power dissipation p and the thermal resistance from junction to ambient. (1) where: r th(j-a) = thermal resistance from junction to ambient t j(max) = maximum junction temperature t amb = ambient temperature p = power dissipation r th j a ? ?? t jmax ?? t amb ? ?? p ? =
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 11 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 9. limiting values [1] the current into the vcc pin must not exceed the maximum i dd value. [2] an internal clamp sets the supply voltage and current limits. [3] human body model: equivalent to discharging a 100 pf capacitor through a 1.5 k ? series resistor. [4] charged device model: equivalent to charging the ic up to 1 kv and the subsequent discharging of each pin down to 0 v over a 1 ? resistor. 10. thermal characteristics table 5. limiting values in accordance with the absolute maximum rating system (iec 60134). symbol parameter conditions min max unit general sr slew rate on pin drain ? 5+5v/ns p tot total power dissipation - 1.6 w t amb ambient temperature ? 40 +125 ?c t j junction temperature ? 40 +150 ?c t stg storage temperature ? 55 +150 ?c voltages v cc supply voltage continuous [1] ? 0.4 +19 v v drain voltage on pin drain ? 0.4 +300 v v hv voltage on pin hv current limited ? 0.4 +600 v v source voltage on pin source current limited ? 0.4 +5.2 v v ntc voltage on pin ntc current limited ? 0.4 +5.2 v currents i dd supply current at pin vcc [2] -20ma i drain current on pin drain ? 2+2a i source current on pin source ? 2+2a i dvdt current on pin dvdt duration 20 ? s maximum -1.3a v esd electrostatic discharge voltage human body model; (for all pins except drain and hv) [3] ? 2+2kv human body model for drain and hv ? 1+1kv charged device [4] ? 500 +500 v table 6. thermal characteristics symbol parameter conditions typ unit r th(j-a) thermal resistance from junction to am bient in free air; hso8 package, pcb: 1.5 cm ? 14 cm, 2-layer, 35 ? m copper (cu) per layer; copper for ic: 12.7 cm 2 78.6 k/w in free air; hso8 packa ge; pcb: jedec 2s2p 41.8 k/w ? j-top thermal characterization parameter from junction to top of package top package temperatur e measured at the warmest point on top of the case; hso8 package 5.2 k/w
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 12 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 11. characteristics table 7. characteristics symbol parameter conditions min typ max unit f conv conversion frequency - 100 - khz high-voltage i leak(drain) leakage current on pin drain v drain = 300 v (dc) - - 10 ? a i leak(hv) leakage current on pin hv v hv = 300 v (dc) - - 30 ? a supply v cc supply voltage operating range [1] 8- 15v v cc(startup) start-up supply voltage 11 12 13 v v cc(stop) stop supply voltage 8 9 10 v v cc(hys) hysteresis of supply voltage between v cc(startup) and v cc(stop) 2- - v v cc(rst) reset supply voltage 4.5 5 5.5 v v cc(swon)reg regulator switch-on supply voltage insufficient dv/dt supply 8.75 9.25 9.75 v v cc(swoff)reg regulator switch-off supply voltage insufficient dv/dt supply 9.5 10 10.5 v v cc(reg)hys regulator supply voltage hysteresis v cc(swoff)reg ? v cc(swon)reg 0.3 - - v v cc(regswon-stop) supply voltage difference between regulator switch-on and stop v cc(swon)reg ? v cc(stop) 0.3 - - v consumption i stb(hv) standby current on pin hv during start-up or in protection; v hv =100v 300 350 400 ? a i cc supply current normal operation - 1.3 - ma capability i sup(high)hv high supply current on pin hv standby: v hv =40v; vcc < v cc(stop) 11.31.6ma regulator on: v hv =40v; vcc < v cc(swon)reg after start-up 22.32.6ma current protection v th(ocp)source2 overcurrent protection threshold voltage on pin source2 ? v/ ? t=0.1v/ ? s 480 500 520 mv ? v/ ? t=0.1v/ ? s; v ntc = 0.325 v 230 250 270 mv t d(ocp-swoff) delay time from overcurrent protection to switch-off ? v/ ? t=0.1v/ ? s - 75 100 ns t leb leading edge blanking time overcurrent protection 260 300 340 ns valley detection (? v/ ? t) vrec valley recognition voltage change with time on pin drain ? 30 ? 20 ? 10 v/ ? s f ring ringing frequency [2] 200 550 1000 khz ? v vrec(min) minimum valley recognition voltage difference voltage drop on pin drain 15 20 25 v t d(vrec-swon) valley recognition to switch-on delay time -100-ns
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 13 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic [1] an internal clamp sets the supply voltage. the curr ent into the vcc pin must not exceed the maximum i dd value (see table 5 ). [2] this parameter is not tested during production, by design it is guaranteed. brownout detection t on(high) high on-time 12.5 15 17.5 ? s mosfet output stage v br(drain) breakdown voltage on pin drain t j >0 ?c3 0 0 - - v r dson drain-source on-state resistance t j =25 ?c2 . 0 5 2 . 3 2 . 5 5 ? t j =125 ?c 3.05 3.45 3.85 ? ? dv/dt) f(drain) fall rate of change of voltage on pin drain c drain = 150 pf, r source =2.2 ? [2] - 1.2 - v/ns ntc function v th(high)ntc high threshold voltage on pin ntc 0.47 0.5 0.53 v v th(low)ntc low threshold voltage on pin ntc 0.325 0.35 0.375 v v act(tmr)ntc timer activation voltage on pin ntc 0.26 0.29 0.325 v v deact(tmr)ntc timer deactivation voltage on pin ntc 0.17 0.2 0.23 v t to(deact)ntc deactivation time-out time on pin ntc 33 46 59 ? s i offset(ntc) offset current on pin ntc - ? 47 - ? a osp t det(sc) short-circuit detection time 16 20 24 ms t off(high) high off-time 30 36 42 ? s temperature protections t th(act)otp overtemperature protection activation threshold temperature 160 170 180 ?c t th(rel)otp overtemperature protection release threshold temperature 90 100 110 ?c table 7. characteristics ?continued symbol parameter conditions min typ max unit
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 14 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 12. SSL5015TE buck configuration further application information can be found in the application note ( ref. 1 ). fig 7. high power factor buck driver using SSL5015TE (pf > 0.95) ddd +9 8 6285&( 6285&( 9&& 5 5 57 w? & 4 5 5 ' ' & 5 5 5 & '5$,1 *1' ' & 5 '9'7 17& ,& 5 9pdlqv 9pdlqv ) 59 &; & %5 / & ' & 5 & ' ' 75 /(' /(' &
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 15 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 13. package outline fig 8. package outline sot786-3 (hso8) 5hihuhqfhv 2xwolqh yhuvlrq (xurshdq surmhfwlrq ,vvxhgdwh ,(& -('(& -(,7$ vrwbsr 8qlw pp pd[ qrp plq $ 'lphqvlrqvppduhwkhruljlqdoglphqvlrqv +62sodvwlfwkhupdohqkdqfhgvpdoorxwolqhsdfndjh ohdgverg\zlgwkpph[srvhgglhsdg 627 $ $ $ e s f' ' k ( k ( h+ ( / s 4yz\= / pp vfdoh 627 1rwh 3odvwlfruphwdosurwuxvlrqvripppd[lpxpshuvlghduhqrwlqfoxghg ? ? ? ghwdlo; $ \ slqlqgh[ ; ' ( + ( h[srvhgglhsdg = e s ' k ( k $ $ / s 4 $ $ / h z f y$
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 16 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 14. abbreviations 15. references [1] an11041 ? ssl21081, ssl21083, and ssl2109 non-dimmable buck converter in low ripple configurations table 8. abbreviations acronym description bcm boundary conduction mode bom bill of materials led light emitting diode leb leading-edge blanking mosfet metal-oxide semiconductor field-effect transistor ocp overcurrent protection osp output short protection otp overtemperature protection pcb printed-circuit board pwm pulse-width modulation uvlo undervoltage lockout zcs zero current switching
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 17 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 16. revision history table 9. revision history document id release date data sheet status change notice supersedes SSL5015TE v.2 20140226 product data sheet - SSL5015TE v.1 modifications: ? the data sheet status has changed from preliminary to product. SSL5015TE v.1 20140129 preliminary data sheet - -
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 18 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic 17. legal information 17.1 data sheet status [1] please consult the most recently issued document before initiating or completing a design. [2] the term ?short data sheet? is explained in section ?definitions?. [3] the product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple device s. the latest product status information is available on the internet at url http://www.nxp.com . 17.2 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. short data sheet ? a short data sheet is an extract from a full data sheet with the same product type number(s) and title. a short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. for detailed and full information see the relevant full data sheet, which is available on request vi a the local nxp semiconductors sales office. in case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. product specification ? the information and data provided in a product data sheet shall define the specification of the product as agreed between nxp semiconductors and its customer , unless nxp semiconductors and customer have explicitly agreed otherwis e in writing. in no event however, shall an agreement be valid in which the nxp semiconductors product is deemed to offer functions and qualities beyond those described in the product data sheet. 17.3 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 info rmation. nxp semiconductors takes no responsibility for the content in this document if provided by an information source outside of nxp semiconductors. 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 interruption, 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 and its suppliers accept no liability for inclusion and/or use of nxp semiconducto rs products in such 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 semiconductors products, and nxp semiconductors accepts no liability for any assistance with applications or customer product design. it is customer?s sole responsibility to determine whether the nxp semiconductors product is suitable and fit for the customer?s applications and products planned, as well as fo r 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. limiting values ? stress above one or more limiting values (as defined in the absolute maximum ratings system of iec 60134) will cause permanent damage to the device. limiting values are stress ratings only and (proper) operation of the device at these or any other conditions above those given in the recommended operating conditions section (if present) or the characteristics sections of this document is not warranted. constant or repeated exposure to limiting values will permanently and irreversibly affect the quality and reliability of the device. terms and conditions of commercial sale ? nxp semiconductors products are sold subject to the gener al terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms , unless otherwise agreed in a valid written individual agreement. in case an individual agreement is concluded only the terms and conditions of the respective agreement shall apply. nxp semiconductors hereby expressly objects to applying the customer?s general terms and conditions with regard to the purchase of nxp semiconducto rs products by customer. no offer to sell or license ? nothing in this document may be interpreted or construed as an offer to sell products t hat is open for acceptance or the grant, conveyance or implication of any lic ense under any copyrights, patents or other industrial or intellectual property rights. document status [1] [2] product status [3] definition objective [short] data sheet development this document contains data from the objecti ve specification for product development. preliminary [short] data sheet qualification this document contains data from the preliminary specification. product [short] data sheet production this document contains the product specification.
SSL5015TE all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2014. all rights reserved. product data sheet rev. 2 ? 26 february 2014 19 of 20 nxp semiconductors SSL5015TE compact non-dimmable led driver ic export control ? this document as well as the item(s) described herein may be subject to export control regu lations. export might require a prior authorization from competent authorities. quick reference data ? the quick reference data is an extract of the product data given in the limiting values and characteristics sections of this document, and as such is not comple te, exhaustive or legally binding. non-automotive qualified products ? unless this data sheet expressly states that this specific nxp semicon ductors product is automotive qualified, the product is not suitable for automotive use. it is neither qualified nor tested in accordance with automotive testing or application requirements. nxp semiconductors accepts no liabili ty for inclusion and/or use of non-automotive qualified products in automotive equipment or applications. in the event that customer uses t he product for design-in and use in automotive applications to automotive specifications and standards, customer (a) shall use the product without nxp semiconductors? warranty of the product for such automotive applicat ions, use and specifications, and (b) whenever customer uses the product for automotive applications beyond nxp semiconductors? specifications such use shall be solely at customer?s own risk, and (c) customer fully indemnifies nxp semiconductors for any liability, damages or failed product claims resulting from customer design and use of the product for automotive app lications beyond nxp semiconductors? standard warranty and nxp semiconduct ors? product specifications. translations ? a non-english (translated) version of a document is for reference only. the english version shall prevail in case of any discrepancy between the translated and english versions. 17.4 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 n.v. 18. 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 SSL5015TE compact non-dimmable led driver ic ? nxp b.v. 2014. 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: 26 february 2014 document identifier: SSL5015TE please be aware that important notices concerning this document and the product(s) described herein, have been included in section ?legal information?. 19. contents 1 general description . . . . . . . . . . . . . . . . . . . . . . 1 2 features and benefits . . . . . . . . . . . . . . . . . . . . 1 3 applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4 quick reference data . . . . . . . . . . . . . . . . . . . . . 2 5 ordering information . . . . . . . . . . . . . . . . . . . . . 3 6 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3 7 pinning information . . . . . . . . . . . . . . . . . . . . . . 4 7.1 pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 7.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4 8 functional description . . . . . . . . . . . . . . . . . . . 5 8.1 converter operation . . . . . . . . . . . . . . . . . . . . . 5 8.2 valley detection. . . . . . . . . . . . . . . . . . . . . . . . . 5 8.3 protective features . . . . . . . . . . . . . . . . . . . . . . 6 8.3.1 undervoltage lockout (uvlo) . . . . . . . . . . . . 6 8.3.2 leading-edge blanking (leb) . . . . . . . . . . . . . 7 8.3.3 overcurrent protection (ocp) . . . . . . . . . . . . . 7 8.3.4 overtemperature protection (otp) . . . . . . . . . 7 8.3.5 brownout protection . . . . . . . . . . . . . . . . . . . . . 7 8.3.6 output short protection (osp) . . . . . . . . . . . . . 7 8.4 vcc supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8.5 dvdt pin supply (dv/dt) . . . . . . . . . . . . . . . . . . 8 8.6 vcc regulator . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8.7 ntc function and pwm current regulation . . . . 9 8.8 heat sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 9 limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 11 10 thermal characteristics . . . . . . . . . . . . . . . . . 11 11 characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 12 12 SSL5015TE buck configuration . . . . . . . . . . . 14 13 package outline . . . . . . . . . . . . . . . . . . . . . . . . 15 14 abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 16 15 references . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 16 revision history . . . . . . . . . . . . . . . . . . . . . . . . 17 17 legal information. . . . . . . . . . . . . . . . . . . . . . . 18 17.1 data sheet status . . . . . . . . . . . . . . . . . . . . . . 18 17.2 definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 17.3 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 17.4 trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 19 18 contact information. . . . . . . . . . . . . . . . . . . . . 19 19 contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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