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al1692 document number: ds39008 rev. 2 - 2 1 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product dimmable led controller/drivers description t he al1692 is a high performance, high power factor , high efficiency, and high current precision buck-boost and flyback dimmable led controller/drivers for triac dimmable led lamp applications. th e al1692 topology provides an accurate output current over wide line and load regulation. the wide switching frequency operates at boundary conduction mode (bcm) to ease emi/emc design and testing, to meet the latest regulatory standards. the al1692 controller with external mosfet can support highe r output power application, up to 25w. the al1692 led driv ers have al1692-30ba with 400v/ 3a and al1692-20c with 600v/2a mosfet. the al1692 platform solutions can cover both 120vac a nd 230vac applications. the al 169 2 has the built-in thermal fold-back protection trigger point to automatically reduce output cur rent. other protection features enhance led lighting system 's safety and reliability. t he al1692 dimming curve is compliant with the nema ssl6 standard. th e al1692 applies to a wide range of dimmers, including leading edge and trailing edge dimmer, to achieve deep dimming down to 1%. the al1692 controller is available in so -8 package. the integrated mosfet version al1692-30ba and al1692- 20c are available in so -7 package. features ? tight current sense tolerance : 3% ? low startup current: 100a typical ? low operation current: 2 10 a (switching frequency at 4khz) ? single winding inductor ? wide range of dimmer compatibility ? for controller power can drive up to 25 w ? for mosfet options : 400v/3a and 600v/2a ? nema ssl6 dimming curve compliant ? internal protections ? under voltage lockout (uvlo) ? leading-edge blanking (leb) ? cycle- by -cycle over current protection (ocp) ? output open/short protection (ovp/osp) ? thermal foldback protection (tfp) ? over-temperature protection (otp) ? so -8 (controller ) and so -7 (with mosfet) package ? totally lead-free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. green device (note 3 ) pin assignments (top view) comp 12 3 4 7 6 5 8 gnd rt vcc cs sw fb nc 12 3 4 7 6 5 gnd comp rt vcc cs d fb so -8 so -7 applications ? mains dimmable led lamps ? offline led power supply driver notes: 1. no purposely added lead. fully eu directive 2002/95/ec (ro hs) & 2011/65/eu (rohs 2) compliant. 2. see http://www.diodes.com/quality/lead_free.html for more informa tion about diodes incorporateds definitions of halogen - and antimony-free, "green" and lead-free. 3. halogen- and antimony- free "green products a re defined as those which contain <900ppm bromine, <900ppm c hlorine (<1500ppm total br + cl) and <1000ppm antimony compounds.
al1692 document number: ds39008 rev. 2 - 2 2 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product typical application circuits + rt gnd u1 al1692 c5 r1 ac input fr1 db1 c1 comp r3 vcc sw c4 d1 l2 r7 r6 r5 c2 c3 d2 r4 r2 l1 3 5 4 8 1 2 c6 fb r8 r9 6 cs leds d3 r10 q1 nc 7 al1692 controller in buck-boost + rt gnd u1 al1692 c5 r1 ac input fr1 db1 c1 comp r3 vcc d c4 d1 l2 r7 r6 r5 c2 c3 d2 r4 r2 l1 3 5 4 7 1 2 c6 fb r8 r9 6 cs leds al1692-30ba/20c integrated mos version in buck-boost rt gnd u1 al1692 r1 ac input fr1 db1 c1 comp r3 vcc sw c4 r6 r5 c2 c3 d2 r4 r2 l1 3 5 4 8 1 2 c6 fb r8 r9 6 cs d3 r10 q1 nc 7 t1 out + c5 r11 d4 c7 d1 cy r7 al1692 controller in fly-back
al1692 document number: ds39008 rev. 2 - 2 3 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product pin descriptions pin number p in name function so -8 so -7 1 1 vcc power supply voltage 2 2 rt resistor set the systems maximum t on 3 3 comp compensation for current control 4 4 gnd ground 5 5 fb feedback for led open protection voltage 6 6 cs current sensing 7 7 nc (so- 8) no connected d (so- 7) drain of the internal high voltage mosfet 8 -- sw source driver of switch functional block diagram v cc management fault management uvlo off vcc clamp otp ovp v dd v ref stop t on _max r s q t ons detection (zcd) vcc ovp v ref_ovp ovp sw vcc cs gnd rt driver supply clamp 2 8 1 7 4 set t on _max t on _max - + comp g m v ref sample and hold - + 3 5 fb - + stop ocp 1.6v nc 6 al1692 controller
al1692 document number: ds39008 rev. 2 - 2 4 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product functional block diagram (cont.) v cc management fault management uvlo off vcc clamp otp ovp v dd v ref stop t on _max r s q t ons detection (zcd) vcc ovp v ref_ovp ovp d vcc cs gnd rt driver supply clamp 2 7 1 6 4 set t on _max t on _max - + comp g m v ref sample and hold - + 3 5 fb - + stop ocp 1.6v al1692-30ba/20c with mosfet
al1692 document number: ds39008 rev. 2 - 2 5 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product absolute maximum ratings (@ t a = +25c, unless otherwise specified.) (note 4) symbol parameter rating unit v cc power supply voltage 18 v v sw voltage on sw pin (al1692) (note 5) 20 v v d voltage on drain pin (al1692-30ba) 400 v voltage on drain pin (al1692-20c) 600 v i ds continuous drain current t c = +25c (al1692-30ba) 3 a continuous drain current t c = +25 c (al1692-20c) 2 a v cs voltage on cs pin -0.3 to 7 v v rt voltage on rt p in -0.3 to 7 v v fb voltage on fb pin -0.3 to 7 v t j operating junction temperature -40 to + 150 c t stg storage temperature -65 to + 150 c t lead lead temperature (soldering, 10 seconds) +260 c p d so - 8 power dissipation (t a = +50c) (note 6) 0.96 w so - 7 power dissipation (t a = +50c) (note 6) 0.8 w ? ja so - 8 thermal resistance (junction to ambient) (note 6) 1 04 c/w so - 7 thermal resistance (junction to ambient) (note 6) 123 c/w ? jc so - 8 thermal resistance (junction to case) (note 6) 6.6 c/w so - 7 thermal resistance (junction to case) (note 6) 19 c/w C esd (human body model) 2, 000 v esd (machine model) 200 v notes: 4. stresses greater than those listed under absolute maximum rating s may cause permanent damage to the device. these are st ress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recomm ended operating conditions is not implied. exposure to absolute maximum ratings for extended periods ma y affect device reliability. all voltages unless otherwise stated and measured with respect to gnd. 5. sw pin can withstand pulse voltage up to 25v with dura tion of 300ns. 6. device mounted on 1"x1" fr-4 substrate pcb, 2oz co pper, with minimum recommended pad layout. recommended operating conditions (@ t a = +25c, unless otherwise specified.) symbol parameter min max unit t a ambient temperature (note 7) - 40 + 105 c note: 7 . the device may operate normally at + 125 c ambient temperature under the condition not trigger tempera ture protection.
al1692 document number: ds39008 rev. 2 - 2 6 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product electrical characteristics (@ t a = +25c, unless otherwise specified.) symbol parameter condition min typ max unit uvlo v th (st) start up voltage C C 14.5 C v v opr(min) minimal operating voltage after turn on C 8 .5 C v v cc_clamp v cc clamp voltage i cc = 1ma C 15.5 C v standby current i st start-up current v cc = v th (st) -0.5v, before start up C 1 00 C a i cc (opr) operating current switching frequency at 4khz C 210 C a source driver r ds(on) lv internal low voltage mosfet on - state resistance (note 8) C C 1 C ? high voltage and super-junction mosfet r ds(on)hv drain-source on-state resistance al1692-30ba C 2.8 3.4 ? al1692- 20c C 4 5 .5 ? v ds drain-source breakdown voltage al1692-30ba 4 00 C C v al1692- 20c 600 C C v i dss drain-source leakage c urrent al1692-30ba C C 1 a al1692- 20c C C 1 a rt v rt_ref reference voltage of rt pin C C 0.5 C v current sense v cs_clamp cs clamp voltage C C 1 .6 C v v ref internal current loop control reference C 0.388 0.4 0.412 v t on_min minimum t on C C 550 C ns t on_max maximum t on r t = 51k ? , v comp = 4v C 5.4 C s t off_min minimum t off (note 8) C C 4 C s t of f_max maximum t off C C 290 C s fb v fb feedback voltage C 3.76 4.0 4.24 v i fb feedback pin input leakage current v fb = 2v C 4 C a error amplifier g m gm trans-conductance C C 25 C a/v i source amplifier source current v cs = 0v C 10 C a i sink amplifier sink current v cs =1.5v C 28 C a thermal foldback and over temperature protection (otp) t fold thermal foldback (note 8) C C + 145 C c C thermal shutdown (notes 8&9) C C +1 60 C c notes: 8. these parameters, although guaranteed by design, ar e not tested in production. 9. the device will latch off when otp happens, recovered after power cy cle and the device won t operate normally at this temperature.
al1692 document number: ds39008 rev. 2 - 2 7 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product performance characteristics (note 10 ) start-up voltage vs. ambient temperature minimum operating voltage vs. ambient temperature start-up current vs. ambient temperature operating current vs . ambient temperature vcc clamp voltage vs. ambient temperature feedback voltage vs. ambient temperature note: 10 . these electrical characteristics are tested under dc condition. the ambient temperature is equal to the junction temperature of the device. -40 -20 0 20 40 60 80 100 120 12.0 12.5 13.0 13.5 14.0 14.5 15.0 15.5 16.0 start-up voltage (v) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 minimal operating voltage (v) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 70 80 90 100 110 120 130 start-up current ( ? a) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 150 160 170 180 190 200 210 220 230 240 operating current ( ? a) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 9.0 10.5 12.0 13.5 15.0 16.5 18.0 19.5 vcc clamp voltage (v) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 2.0 2.5 3.0 3.5 4.0 4.5 5.0 v fb_ovp (v) ambient temperature ( o c)
al1692 document number: ds39008 rev. 2 - 2 8 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product functional description and application information operation the al1692 is a single stage, single winding, high efficiency, and high power factor dimmable led driver co ntroller/drivers for triac dimmable led lamp applications. the al1692 controller with an external m osfet can support larger power application up to 25w. the al 1692 led drivers: al1692-30ba with 400v/ 3a and al1692-20c with 600v/2a internal mosfet options can cover both 120v ac and 230v ac application. the al169 2 adopts source-driver technique to decrease the system o perating current. it uses a novel method to detect th e t off time which results in the removal for the need of an auxiliary winding. the al1692 operates at boundary conduction mode (bcm) which can ease emi design and achieve high efficiency. high power factor (hpf) is achieved b y using constant on-time mode; coupled with a closed loop of constant current control , the al1692 achieves good line and load regulation. start-up and supply voltage before start-up, the v cc capacitor c4 is charged by the startup resistors (r2, r3) from the high voltage mains. w hen the start-up voltage is reached, the al1692 starts switching. during normal oper ation, the v cc supply is provided by start-up resisters (r2, r3) and t he output voltage (v out ) rectified by one diode (d2). in this way the system ca n provide v cc supply at low dimming angle. t he al1692 has an internal vcc clamp voltage (typical 15.5v), which is limited by one internal active z ener diode. when v cc voltage drops to below the v opr(min) , switching is stop . s o the device can operate normally when the voltage on vc c pin is between v opr(min ) and vcc clamp voltage. protections under voltage lockout (uvlo) whe n the voltage on the vcc pin drops to below v opr(min) , the ic stops switching . the ic can restart when the voltage on vcc exceeds t he startup voltage (v th(st) ). leading-edge blanking (leb) to prevent false detection of the peak current of the indu ctor, a blanking time following switch-on is designed. when th e internal switch turns on, a short current spike can occur because of the capacit ive discharge of the voltage over the drain and source. it is disregarded during the leb time (t on_min ). cycle- by -cycle over current protection (ocp) the al1692 has a built-in peak current detector. it trigge rs when the voltage on cs pin reaches the peak level v cs_clamp . the r5 is connected to the cs pin to sense the current of the inductor . the maximum peak current (i peak( max )) of the inductor can be calculated as below: ? ? _ 5 cs clamp peak max v i r ? (1) the detection circuit is activated after the leb time. w hen the detection circuit sense the cs voltage is higher t han 1v, the ic will turn off the switching to limit the output current. i t automatically provides protection for the maximum led curr ent during operation. a propagation delay exists between over current detection and actual source-switc h off, so the actual peak current is a little higher than the ocp level set by the r5. over-voltage protection and output-open protection (ovp) the output voltage is sensed by the fb pin, which provides an over-voltage protection (ovp) function. when the output is open or large transient happens, the output voltage will exceed the rated value (r8, r9). when the voltage exceeds v fb , the over-voltage is triggered and the ic will discharge v cc . w hen the v cc is below the uvlo threshold voltage, ic will re start and the v cc capacitor is charged again by start- up resistance. if the over voltage condition still exists, the system will wor k in hiccup mode. output-short protection (osp) when led is short ed , the device can not detect the t off time, and the device controls the system operation at 4khz low frequency.
al1692 document number: ds39008 rev. 2 - 2 9 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product functional description and application information (cont.) thermal foldback protection (tfp) al1692 has a thermal foldback protection (tfp) function and adopts self-adaptive control method, which can preven t the system breaking down caused by high temperature. the overheating temperature is set at + 145 c typical, when the junction temperature of the ic is highe r than + 145 c typical, the device will linearly decrease the internal re ference voltage to decrease the output current . as a result of this feature, the device can control the system s output power at high ambient temperature , to control the quantity of heat of the system. this enha nces the safety of the system at high temperature. thermal foldback waveform is shown below: 100% 50% j u n c t i o n t e m p e r a t u r e / c t fold =145 o u t p u t c u r r e n t otp figure 1. thermal foldback waveform over-temperature protection (otp) the al1692 ha s over temperature protection (otp) function . when the junction temperature reach to + 16 0 c typical, the ic will trigger an over- temperature protection , which causes the device to shut down and latch ed condition. once otp triggered, the system need to be resu med after the system s ac source supply has been reset and power up. design parameters setting the current sense resistor r5 the al1692 adopts boundary conduction mode, the output current is calculated as below , _ 0 11 2 off o mean peak on off delay t i i dt t t t ? ? ? ? ? ? ?? ? (2) where, i peak is the peak current of the inductance t on is the internal mosfet on time t off is the freewheel diode d1 conduction time t delay is typical 0.4s the al1692 is a closed loop constant current control wit h the relationship between output current and current sen se voltage follows this equation 0 1 r5 off ref peak on off delay t v i dt t t t ? ? ? ? ? ? ?? ? (3) whe re, v ref is the internal reference, typical 0.4v. r5 is the current sense resistor so we can get the output current equation as below, _ 1 = 25 ref o mean v i r ? (4)
al1692 document number: ds39008 rev. 2 - 2 10 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product functional description and application information (cont.) inductance selection ( l2 ) in buck-b oo st structure, the peak current of the inductance can be calculated as below _ 0 _ 2 sin( ) 5 sin( ) 2 sin( ) ref peak in rms in rms v i v rd v vo ? ? ? ?? ? ? ? ?? ?? ? ? ? ? (5) where, v in_rms is the input volta ge s rms value v o is the system output voltage the al1692 controls the system operating at boundary c onduction mode which results in its operating frequency n ot being constant. to set the minimum switching frequency f min at the crest of the minimum ac input. _ _ 2 2 2+ in rms o peak in rms o min vv l i v v f ? ? ?? (6) according to the f araday s law, the winding number of the inductance can be calculated by: 2 2 peak l em li n ab ? ? ? (7) where, a e is the core effective area. b m is the maximum magnetic flux density. t on_max setting i n order to get a good dimmer compatibility and a good dimming d epth, the device sets a t on_max by one external resistor r t (r6). a nd the t on_max time has the below equation: _ _ 3.3 0.33 10 6 ref on max rt ref c t v ua r ? ? ? ? (8) where v rt_ref is the internal rt pin 0.5v s reference. c ref is the internal 1.5pf capacitor. dimming control t he al1692 is a closed loop control device; the dimming fun ction is realized by t on_max limited when dimmer is connected in . when the dimmer is at the largest conduction angle, the device still has the adjustability to control the output current constant be fore comp voltage is adjusted to the maximum 4v, so for most of the dimmer, the output cur rent is almost the same with the no dimmer condition at t he largest conduction angle. if the conduction angle is decreased, the comp pin voltage will cont inue to increase quickly till to the maximum level (typical 4 v) , the device will output t on_max to limit system s output current. the t on_max is set by rt pin connect ed with one resistor, so the dimming depth can be adjust ed by rt resistor (r6) . before the al1692 enters t on_max mode, it ke eps the output current constant the same as no dimmer condition. when enter t on_max mode, we can get the following equation: __ _ () 2 i n rms on max peak dim v sin t i l ? ?? ? (9)
al1692 document number: ds39008 rev. 2 - 2 11 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product functional description and application information (cont.) from the buck-boost output current equation, we can ge t the output current when dimming: _ _ _ 0 _ 1 25 () 2 ( ) 11 2 2 ( ) ref on on max o in rms peak di m in rms o v if t t r i v sin i d else v sin v ? ? ? ? ? ? ? ?? ?? ? ? ? ? ?? ? ?? ? ? ( 10 ) where, ? is the dimmer conduction angle. c o n d u c t i o n a n g l e ( d e g ) o u t p u t c u r r e n t ( % ) 1 0 0 0 1 8 0 t o n < t o n _ m a x t o n = t o n _ m a x c r i t i c a l c o n d u c t i o n a n g l e ? 0 figure. 2 dimming curve dimm er compatibility passive bleeder design the passive bleeder is designed to supply latching and holding cu rrent to eliminate dimmer misfire and flicker. db1 c1 l1 r1 fr1 l n c2 passive bleeder damping figure.3 led driver schematic with passive bleeder the passive bleeder includes a capacitor (c2, in hundreds of n f) to provide latching current. a resistor (r1) is necessa ry to dampen the current spike. because a large c2 will affect the pf, thd and effic iency, the value of the capacitor (c2) should be selected a ccordingly. generally, 100nf/400v to 330nf/400v is recommended. r1 is used to limit the latching current, if r1 is too large, the latching current is not enough and the triac dimmer will misfire causing led flick er . if r1 is too small, it will result in greater power dissipa tion. generally speaking , a 200? to 2k? resistor is selected for r1. passive damping design fr1 is the damper for reducing the spike current caused by quick charging of c2 at firing. in general, fr1 is selected from 20? to 100? for low line like 120v ac application, and 51? to 200? for high line like 230v ac application.
al1692 document number: ds39008 rev. 2 - 2 12 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product ordering information 20 : 2.0a 30 3.0a blank: al1692 al1692-x x x C x mosfet voltage current option ba: 400v c: 600v blank: al1692 s7 : so-7 s: so-8 package packing 13: tape & reel part number package code package 13 tape and reel quantity part number suffix al169 2s - 13 s so -8 40 00/tape & reel -13 al1692-30bas7- 13 s7 so -7 40 00/tape & reel - 13 al1692- 20 c s7 - 13 s7 so - 7 40 00/tape & reel - 13 marking information so -8 al1692 (top view) yy ww x x logo ww : week : 01~52; 52 yy : year : 15,16,17~ x x : internal code 8 7 6 5 1 2 3 4 represents 52 and 53 week part number so -7 1692 - zzzz (top view) yy ww x x part number 1692-30ba for 3.0a/400v 1692-20c for 2.0a/600v logo ww : week : 01~52; 52 yy : year : 15,16,17 ~ x x : internal code 7 6 5 1 2 3 4 represents 52 and 53 week
al1692 document number: ds39008 rev. 2 - 2 13 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product package outline dimensions (all dimensions in mm.) please see http://www.diodes.com/package-outlines.html for the latest version. (1) package type: so-8 1 b e e a a1 9 ( all sides) 43 c q h 45 r 0.1 7 d e0 e1 l seating plane gauge plane (2) package type: so-7 3.800(0.150) 4.000(0.157) 1.270(0.050) typ 4.700(0.185) 5.100(0.201) 0.330(0.013) 0.510(0.020) 0.150(0.006) 0.250(0.010) 0.080(0.003) 0.250(0.010) 1.350(0.053) 1.750(0.069) 0.450(0.017) 0.800(0.031) 8 0 5.800(0.228) 6.200(0.244) 2.54(0.100) typ 1.250(0.049) 1.500(0.059) note: eject hole, oriented hole and mold mark is optional. option 2 45 0.350(0.014) typ option 1 so -8 dim min max typ a 1.40 1.50 1.45 a1 0.10 0.20 0.15 b 0.30 0.50 0.40 c 0.15 0.25 0.20 d 4.85 4.95 4.90 e 5.90 6.10 6.00 e1 3.80 3.90 3.85 e0 3.85 3.95 3.90 e -- -- 1.27 h - -- 0.35 l 0.62 0.82 0.72 q 0.60 0.70 0.65 all dimensions in mm
al1692 document number: ds39008 rev. 2 - 2 14 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product suggested pad layout please see http://www.diodes.com/package-outlines.html for the latest version. (1) package type: so-8 c x y y1 x1 dimensions value (in mm) c 1.27 x 0.802 x1 4.612 y 1.505 y1 6.50 (2) package type: so-7 z g e1 e x y dimensions z (mm)/(inc h) g (mm)/(inch) x (mm)/(inch) y (mm)/(inch) e (mm)/(inch) e1 (mm)/(inch) value 6.900/0.272 3.900/0.154 0.650/0.026 1.500/0.059 1.270/0.050 2.540/0. 100
al1692 document number: ds39008 rev. 2 - 2 15 of 15 www.diodes.com september 2017 ? diodes incorporated new product al 1692 new product important notice diodes incorporated makes no warranty of any kind, expres s or implied, with regards to this document, including, but not limited to, the implied warranties of me rchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, correction s or other changes without further notice to this document and any produ ct described herein. diodes incorporated does not assume any liability arising o ut of the application or use of this document or any product des cribed herein; neither does diodes incorporated convey a ny license under its patent or trademark rights, nor the rights of others. any custom er or user of this document or products described her ein in such applications shall assume al l risks of such use and will agree to hold diodes incorpora ted and all the companies whose products are represent ed on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any lia bility whatsoever in respect of any products purchased through unauthorized sales channel. should customers purchase or use diodes incorporated prod ucts for any unintended or unauthorized application, cus tomers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. pro duct names and markings noted herein may also be covered by one or more unite d states, international or foreign trademarks. this document is written in english but may be translated int o multiple languages for reference. only the english version of this document is the final and determinative format released by diodes incorporat ed. life support diodes incorporated products are specifically not auth orized for use as critical components in life support dev ices or systems without the express written approval of the chief executive officer of diodes i ncorporated. as used herein: a. life support devices or systems are devices or sy stems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perfor m when properly used in accordance with instructions for u se provided in the labeling can be reasonably expected to result in signi ficant injury to the user. b. a critical component is any component in a life sup port device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect i ts safety or effectiveness. customers represent that they have all necessary exp ertise in the safety and regulatory ramifications of their lif e support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concern ing their products and any use of diodes incorporated products in such safety-criti cal, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by diodes incorpo rated. further, customers must fully indemnify diodes incor porated and its representatives against any damages arising out of the u se of diodes incorporated products in such safety-critic al, life support devices or systems. copyright ? 201 7, diodes incorporated www.diodes.com

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