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AL3065 docume nt number: ds 37677 rev. 1 - 2 1 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product four - channel current source boost led driver description the AL3065 is a high efficiency 4 - channel boost controller for wled backlight applications. it operates over a wide input voltage ranged from 4.5v to 33v. the current of the 4 chan nels is simply programmed from 20ma to 400ma with an external resistor. the current match between any channel is 1.5% (typical). its operating frequency can be adjusted from 0.1mhz to 1mhz. the AL3065 can support three dimming modes: direct pwm dimming , pwm to analog dimming and dc to analog dimming . robust protection features include cycle by cycle current limit, soft - start, uvlo, programmable ovp, otp, open/short led protection, schottky diode short and open protection, inductor short - circuit protec tion and v out short protection. the ic is available in so - 16 package. features ? input voltage range: 4.5v to 33v ? drivers up to 4 strings in p arallel, 250ma p er s tring, 400ma p ulse c urrent ? 3% c urrent p recision ? low r ipple for l ow bom c ost ? 4kv h bm e s d c las s ? h igh v oltage p i ns cs and ovp for s afety t est ? supports d irect pwm d imming , pwm to analog dimming and dc to analog dimming c ontrol ? minimum pwm d imming d uty c ycle can be 1/10,000 at 100hz d imming f requency ? led open/short protection ? s chottky diode /inductor s hort - c ir c uit protecti on ? built - in ocp, ovp, otp, uvlo, v out short/schottky diode open protectio n ? totally lead - f ree & fully r o hs compliant (notes 1 & 2) ? halogen and ant imony free. green device (note 3) pin assignments (top veiw) so - 16 applications ? lcd monitor ? lcd display module ? lcd tv note s: 1 . no purposely added lead. fully eu directive 2002/95/ec (rohs) & 2011/65/eu (rohs 2) compliant. 2. see http://www.diodes.com/qualit y/lead_free.html for more information about diodes incorporateds definitions of hal ogen - and antimony - free, "green" and lead - f ree . 3. halogen - and antimony - free "green products are defined as those which contain <900ppm bromine, <900ppm chlorine (< 1500ppm total br + cl) and <1000ppm antimony compounds. typical applications circuit v i n c i n l d c o u t 1 r o v 1 r o v 2 v o u t a d j u s t a b l e r i s e t o n o f f r t r c c v c c e n r t c o m p v c c a d i m g n d i s e t d i m c h 1 o v p c s o u t v i n a l 3 0 6 5 c h 4 - - - r c s 1 0 m h 0 . 1 5 w 2 2 m f c o u t 2 2 2 m f 1 m w 5 1 k w 1 0 k w 1 0 m f 1 0 k w 1 0 k w 1 2 0 k w 2 . 2 m f 1 k w 0 . 2 2 m f c c o n o f f v c c / d c s i g n a l / n c 3 . 3 v / 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 ch 4 iset ovp rt en cs out vcc v in adim comp dim ch 1 ch 2 gnd ch 3
AL3065 docume nt number: ds 37677 rev. 1 - 2 2 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product pin description s pin number p in name function 1 ch4 led current sink 4. leave the pin open directly if not used. 2 iset led cur rent set pin. the corresponding maximum current of all 4 strings is set through connecting a resister from this pin to gnd. 3 ovp overvoltage protection pin. when the ovp pin voltage exceeds 2.0v, the ovp is triggered and the power switch is turned off. w hen the ovp pin voltage drops below hysteresis voltage, the ovp is released and the power switch will resume normal operation. 4 rt frequency control pin. 5 en on/off control pin. forcing this pin voltage above 2.4v enables the ic while below 0.5v shuts down the ic. when the ic is in shutdown mode, all functions are disabled to reduce the supply current below 3a. 6 cs power switch current sense input. 7 out boost converter power switch gate output. this pin outputs high voltage (10v) to drive the exter nal n - mosfet. 8 vcc 10v linear regulator output pin. this pin should be bypassed to gnd with a ceramic capacitor. 9 vin supply input pin. a capacitor (typical 10f) should be connected between the vin and gnd t o keep the dc input voltage constant. 10 ad im analog dimming pin, used in conjunction with dim. when a dc voltage between 0v and 1.5v is applied to this pin analog dimming is achieved if dim is tied high. when a capacitor is connected between this pin and gnd, the pwm signal applied to the dim pin is filtered and modulates the output current. when this pin is connected to a high level, direct pwm dimming is achieved. 11 comp soft - start and control loop compensation. 12 dim pwm dimming control pin, used in conjunction with adim. apply the pwm signa l to this pin. tie this pin to logic high level, for analog dimming. 13 ch1 led current sink 1. leave the pin open directly if not used. 14 ch2 led current sink 2. leave the pin open directly if not used. 15 gnd ground 16 ch3 led current sink 3. leave the pin open directly if not used.
AL3065 docume nt number: ds 37677 rev. 1 - 2 3 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product functional block diagram o v p e n v i n v c c o u t c o m p c s r t g n d 7 b a n d g a p 1 . 2 5 v e n r e f e r e n c e v d d 5 v 1 0 0 m v 2 v o v p o t s d o s c c l k s a w e a p w m s a w o c p 5 4 0 m v c l k r s q d r i v e l o g i c c h 1 c u r r e n t s i n k c u r r e n t s i n k c u r r e n t s i n k c u r r e n t s i n k v d d p w m d i m m i n g & a n a l o g d i m m i n g f b + o p a a d i m c h 2 c h 3 c h 4 i s e t d i m v c h - r e g d i o d e / i n d u c t o r s h o r t 3 . 2 v d i r e c t p w m d i m m i n g 1 . 5 v d u t y 1 5 6 1 1 1 3 1 4 1 6 1 1 2 1 0 2 4 3 5 9 v d d 8
AL3065 docume nt number: ds 37677 rev. 1 - 2 4 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product absolute maximum ratings (@ t a = + 25c, unless otherwise specified . note s 4 , 5 ) symbol parameter rating unit v in input voltage - 0.3 to 40 v v en en pin voltage - 0.3 to 7 v v cc vcc pin voltage - 0.3 to 7 v v ch ch1 to ch 4 pins voltage - 0.3 to 60 v v cs cs pin voltage - 0.3 to 42 v v comp comp pin voltage - 0.3 to 7 v v iset iset pin voltage - 0.3 to 7 v v out out pin voltage - 0.3 to 7 v v ovp ovp pin voltage - 0.3 to 42 v v rt rt pin voltage - 0.3 to 7 v v adim adim pin voltage - 0.3 to 7 v v dim dim pin voltage - 0.3 to 7 v v gnd gnd pin voltage - 0.3 to 0.3 v ja thermal resistance (free air, no h eatsink) 100 oc/w t j operating junction t emperature + 150 oc t stg storage temperature - 65 to + 150 oc t lead lead temperature (soldering, 10sec) + 260 oc C esd (m achine m odel ) 200 v C esd (h uman b ody m odel ) 4000 v note s : 4. stresses greater than those listed under absolute maximum ratings 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 indicated under recommende d operating conditions are not implied. exposure to absolute maximum ratings for extended periods may affect device reliability. 5. for better performance, the AL3065 should have high voltage pins cs and ovp. if cs or ovp pin is added to 16v, the ic will not smoke or burn. recommended operating conditions symbol paramet er min max unit v in input voltage 4.5 33 v f o operating frequency 0.1 1 mhz i ch led channel current 20 400 ma f pwm pwm dimming frequency 0.1 25 khz t a operating ambient temperature - 40 + 85 oc
AL3065 docume nt number: ds 37677 rev. 1 - 2 5 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product electrical characteristics (@ t a = + 25 o c, v in = 12v, v en = 5v, unless otherwise specified. ) symbol parameter conditions min typ max unit input supply v in input voltage C 4.5 C 33 v i q quiescent current no s witching C 3 C ma i shdn shutdown supply current v en = 0v C 1 C a v uvlo under - voltage lockout voltag e v in rising 3.7 4.0 4.3 v v hys uvlo hysteresis C C 200 C mv v cc regulator v cc v cc voltage v in 5.5 v C 5 C v v in < 5.5v C v in - 0.5 C v t rise o ut pin rise time o ut pin load = 1nf C 30 C ns t fall o ut pin fall time o ut pin load = 1nf C 30 C ns C load regulation load = 0 to 30ma C 5 C mv/ma C line regulation v in = 12v to 33v C 0.3 C mv/v high fr equency oscillator f osc1 switch frequency r t = 100k ? C 500 C khz C switch frequency range C 0.1 C 1 mhz d max max. duty cycle r t = 100k? 88 90 C % t on - time minimum on - time C C 200 C ns enable logic and dimming logic v en_h en high voltage C 2.4 C C v v en _ l en low voltage C C C 0.5 v v dim_h pwm logic for external dimming C 2.5 C C v v dim_l C C C 0.3 v v adim adim voltage range for dc dimming C 0 C 1.5 v r adim adim output resistance C 70 100 130 k power switch drive v limit current limit threshold voltage C C 540 C mv v limit2 d/l short threshold voltage C 720 800 880 mv t leb current sense leb time (note 6 ) C 80 100 150 ns compensation and soft start (comp pin) i o_h sourcing current v comp = 0.5v C 120 C a i o_l sinking current v comp = 2v C 120 C a
AL3065 docume nt number: ds 37677 rev. 1 - 2 6 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product electrical characteristics ( cont. @ t a = + 25 o c, v in = 12v, v en = 5v, unless otherwise specified. ) symbol parameter conditions min typ max unit over voltage pr otection v ovp ovp threshold voltage v out rising 1.9 2.0 2.1 v v ovp_hys ovp hysteresis C C C ovp - sh shutdown under abnormal condition C current source i ch_match led current matching between each string (note 7 ) i ch = 100ma C ch regulation current per channel r iset = 12k? led_reg minimum led regulation voltage i ch = 120ma C C led_leak ch1 to ch4 leakage current v en = 0v, v led = 37v C led - s led short protection threshold C over temperature pr otection t otsd thermal shutdown temperature (note 6 ) C o c t hys thermal shutdown temperature hysteresis (note 6 ) C C C o c note s : 6. guar anteed by design . 7. % 100 2 _ ? ? ? ? avg min max match ch i i i i
AL3065 docume nt number: ds 37677 rev. 1 - 2 7 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product performance characteristic (@ t a = +25c, v in = 24v, v en = v dim = 5v, unless otherwise spe cified ) frequency vs. rt resistor vcc voltage vs. vin pin voltage chx p in regulation voltage vs. output current / ch chx p in regulation voltage vs. tempera ture channel current vs. channel direct pwm dimming @ f pwm = 100hz channel current vs. duty cycle 0 1 2 3 4 5 0 20 40 60 80 100 120 140 160 180 200 220 240 i set =50ma i set =67ma i set =100ma i set =120ma i set =160ma i set =195ma i set =215ma i set =235ma channel current (ma) channel 0 50 100 150 200 250 300 350 400 450 500 550 600 650 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 frequency (khz) rt resistor (k w ) 0 4 8 12 16 20 24 28 32 36 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 vcc voltage (v) vin pin voltage(v) c vcc = 2.2 m f 40 60 80 100 120 140 160 180 200 220 240 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 chx pin regulation voltage (v) output current / ch (ma) -50 -25 0 25 50 75 100 125 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 chx pin regulation voltage (v) temperature ( o c) r iset = 12k 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 channel current (ma) duty cycle (%) direct pwm dimming f pwm = 100hz
AL3065 docume nt number: ds 37677 rev. 1 - 2 8 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product performance characteristic ( cont. @ t a = +25c, v in = 24v, v en = v dim = 5v, unless otherwise specified . ) direct pwm dimming @ f pwm = 20khz pwm to analog dimming @ f pwm = 20khz channel current vs. duty cycle channel current vs. duty cycle dc to analog dimming steady state channel current vs. adim pin voltage system startup direct pwm dimming i ch 50ma/div v out 5 v /div v o(ac) 5 00mv /div v ch 1v /div time 1s/div v in 5 v /div v sw 20v /div v o 20v /div i ch 100ma /div time 1 m s/div v pwm 2v /div v sw 50v /div v ch 10v /div i ch 100ma /div time 5m s/div 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 0 10 20 30 40 50 60 70 80 90 100 110 120 130 channel current (ma) duty cycle (%) direct pwm dimming f pwm =20khz 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 110 120 130 channel current (ma) duty cycle (%) pwm to analog dimming f pwm = 20khz 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 0 10 20 30 40 50 60 70 80 90 100 110 120 130 channel current (ma) adim pin voltage (v) dc to analog dimming
AL3065 docume nt number: ds 37677 rev. 1 - 2 9 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product performance characteristic ( cont. @ t a = +25c, v in = 24v, v en = v dim = 5v, unless otherwise specified. ) pwm to analog dim ming led short protection led open protection schottky/inductor short protection vout short/diode open protection over temperature protection i ch 50ma /div v sw 50v /div v ch 1v /div v o(ac) 1v /div time 2 s/div v sw 50v /div v ch 10v /div i ch 50ma /div time 20m s/div v sw 50v /div v comp 1v /div v ovp 1v /div i ch 100ma /div time 2m s/div v sw 50v /div v cs 2v /div i ch 100ma /div time 10 s/div v sw 50v /div v ovp 1v /div i ch 100ma /div time 200m s/div v sw 50v /div v o 20v /div i ch 100ma /div time 2 s/div
AL3065 docume nt number: ds 37677 rev. 1 - 2 10 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product application information enable the AL3065 is enabled when the voltage at en pin is greater than appro ximately 2.4v, and disabled when lower than 0.5v. frequency selection an external resistor r t , placed between rt pin and gnd, can be used to set the operating frequency. the operating frequency ranges from 100 k hz to 1mhz. the high frequency operation opti mizes the regulator for the smallest - sized component application, while low frequency operation can help to reduce switch loss. the approximate operating frequency can be expressed as below: led current setting the maximum led curr ent per channel can be adjusted up to 400ma via iset pin. when 400ma current is needed in application, two or more channels can be paralleled to provide larger drive current. a resistor r iset is connected between iset pin and gnd to set the reference curr ent i set . the led current can be expressed as below: dimming control 1 ) direct pwm dimming control compared to analog dimming, pwm dimming offers superior dimming resolution and reduced led color shift. tying adim to vcc pin enable s direct pwm dimming. the pwm signal is applied to the dim pin. t he led current of all enabled channels can be adjusted at the same time and the led brightness can be adjusted from 1% i ch_max to 100% i ch_max . during the high level period of pwm signal, the led is turned on and 100% of the current flows through the led, while during the low level period of the pwm signal, the led is turned off and almost no current flows through the led. c hanging the average current through the led can adjust the led b rightness. the external pwm signal frequency applied to dim pin can be 100hz or higher and the minimum duty pwm duty can be 1/10,000 at 100hz dimming frequency. 2 ) pwm to a nalog d imming c ontrol when a capacitor is connected between adim pin and gnd, the ic provides analog dimming function from pwm signal input of dim p in . th e capacitor forms a filter with the output resistance of adim. the output of this filter contains an average dc component thereby modulating the amplitude of the led current. 3 ) dc t o a nalog d imming c ontrol when a dc signal is connected to adim pin, the ic provides analog dimmin g. th e amplitude of the led current can be modified by varying the adim pin voltage between 0v to 1.5v . tie the dim pin to logic high level. protection 1 ) ove r voltage protection the AL3065 integrates an ovp circuit. the ovp pin is connected to the center tap of voltage - divider (r ov1 and r ov2 ) connected between high voltage output and gnd. if the voltage at ovp pin exceeds 2.0v, which may result from open loop or excessive output voltage, all the functions of the AL3065 will be disabled with output voltage falling. the ovp hysteresis is 200mv. ] [ 52 ] [ w ? k r mhz f t osc ] [ 1200 ] [ w ? k r ma i iset led
AL3065 docume nt number: ds 37677 rev. 1 - 2 11 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product application information (cont.) 2 ) over - current protection the AL3065 integrates an ocp circuit. the cs pin is con nected to the voltage - sensor (rcs) placed between the source of the mos fet and gnd. if the voltage at cs pin exceeds 0.54v, the mosfet is turned off immediately and will not turn on until the next cycle begins. 3 ) led short - circuit protection the AL3065 integrates an led short - c ircuit pro tection circuit. if the voltage at any of the ch1 to ch4 pins exceeds a threshold of approximately 7.3v during normal operation, the corresponding channel is latched off. toggle v in or en to reset the latch. led short det ecting logic priority is lower than open led and ovp logic. the led short detecting is triggered when 0.1v < v led_min under dimming on mode, and d isabled when led open occurs until output voltage resumes to the regulated voltage. 4 ) led open - circuit prot ection the AL3065 integrates an led open - c ircuit protection circuit. when any led string is open, v out will boost up until the voltage at ovp pin reaches an approximate threshold of 2.0v. the ic will automatically ignore the open string whose corresponding pin voltage is less than 100mv and the remaining string will continue operation. if all the strings are open and the voltage at ovp pin reaches a thresho ld of 2.0v, the mosfet drive gate will turn off and the ic will shut down and latch. 5 ) v out short/op en schottky diode protection the AL3065 monitors the ovp pin, if the ovp pin voltage is less than 0.1v, mosfet drive output will turn off. this protects the converte r if the output schottky diode is open or v out is shorted to ground. 6 ) under - voltage lock out the AL3065 provides an under voltage lockout circuit to prevent it from undefined status when it starts up. th e uvlo circuit shuts down the device when v cc drops below 3.8v. the uvlo circuit has 200mv hysteresis, which means the device starts up again when v cc rise s to 4.0v. 7) over - temperature protection the AL3065 features over - temperature protection . i f the junction temperature exceeds approximately + 160oc, the ic will shut down until the junction temperature is less than approximately + 140oc. when the ic is released from over temperature shutdown, it will start a soft - start process. 8 ) schottky diode/inductor short - circuit protection the AL3065 features schottky diode/inductor short - c ircuit protection circuit. when cs pin voltage exceeds 0.8v for greater than 16 switching clocks, the ic will latch off . the voltage of cs pin is monitored after a short delay of t leb . 9 ) shut down under abnormal condition the AL3065 features shutdown under a bnormal c ondition p rotection circuit. when the ovp pin volta ge exceeds 3.2v, the ic will latch off . toggle en pin to restart the ic. this feature can be used to shut down the ic under any defined abnormal condition.
AL3065 docume nt number: ds 37677 rev. 1 - 2 12 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product ordering information part number package code package 13 tape and reel quantity part number suffix AL3065 s16 - 13 s16 so - 16 2500/tape & reel - 13 marking informatio n a l 3 0 6 5 x x x - x x p a c k i n g p a c k a g e 1 3 : 1 3 " t a p e & r e e l s 1 6 : s o - 1 6 ( t o p v i e w ) 1 a l 3 0 6 5 y y w w x x l o g o p a r t n u m b e r 8 w w : w e e k : 0 1 ~ 5 2 ; 5 2 y y : y e a r : 1 3 , 1 4 , 1 5 ~ x x : i n t e r n a l c o d e 1 6 9 r e p r e s e n t s 5 2 a n d 5 3 w e e k
AL3065 docume nt number: ds 37677 rev. 1 - 2 13 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product package outline dimensions (all d imensions in mm (inch) . ) (1) package type: so - 16 7 9 . 8 0 0 ( 0 . 3 8 6 ) 1 0 . 2 0 0 ( 0 . 4 0 2 ) 5 . 8 0 0 ( 0 . 2 2 8 ) 6 . 2 4 0 ( 0 . 2 4 6 ) 0 . 3 1 0 ( 0 . 0 1 2 ) 0 . 5 1 0 ( 0 . 0 2 0 ) 2 0 : 1 a d 1 7 0 8 b c 1 . 0 0 0 ( 0 . 0 3 9 ) s 1 . 0 0 0 ( 0 . 0 3 9 ) 0 . 2 0 0 ( 0 . 0 0 8 ) 2 0 : 1 b c 5 0 : 1 c - c 0 . 2 0 0 ( 0 . 0 0 8 ) 0 . 2 5 0 ( 0 . 0 1 0 ) 0 . 4 0 0 ( 0 . 0 1 6 ) 1 . 2 7 0 ( 0 . 0 5 0 ) 0 . 2 5 0 ( 0 . 0 1 0 ) 1 . 2 7 0 ( 0 . 0 5 0 ) b s c d e p t h 0 . 2 0 0 ( 0 . 0 0 8 ) 0 . 2 5 0 ( 0 . 0 1 0 ) 0 . 0 5 0 ( 0 . 0 0 2 ) r 0 . 2 0 0 ( 0 . 0 0 8 ) r 0 . 2 0 0 ( 0 . 0 0 8 ) 0 . 1 7 0 ( 0 . 0 0 7 ) 0 . 2 5 0 ( 0 . 0 1 0 ) a 3 . 8 0 0 ( 0 . 1 5 0 ) 4 . 0 4 0 ( 0 . 1 5 9 ) 3 8 9 . 5 8 8 7 0 . 4 0 0 ( 0 . 0 1 6 ) 4 5 n o t e : e j e c t h o l e , o r i e n t e d h o l e a n d m o l d m a r k i s o p t i o n a l . d 0 . 1 5 0 ( 0 . 0 0 6 ) 0 . 0 7 0 ( 0 . 0 0 3 ) 0 . 0 7 0 ( 0 . 0 0 3 ) . s y m b o l d d 1 m i n ( m m ) m a x ( m m ) m a x ( m m ) m i n ( m m ) m i n ( i n c h ) m i n ( i n c h ) m a x ( i n c h ) m a x ( i n c h ) o p t i o n 1 o p t i o n 2 1 . 3 5 0 - 1 . 7 5 0 1 . 2 6 0 0 . 0 6 9 - 0 . 0 5 0 1 . 6 5 0 - 1 . 2 5 0 1 . 0 2 0 0 . 0 4 9 0 . 0 4 0 0 . 0 6 5 - 0 . 0 5 3
AL3065 docume nt number: ds 37677 rev. 1 - 2 14 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product suggested pad layout (1) package type: so - 16 dimensions z (mm)/(inch) g (mm)/(inch) x (mm)/(inch) y (mm)/(inch) e (mm)/(inch) value 6.900/0.272 3.900/0.154 0.650/0.026 1.500/0 .059 1.270/0.050 z x e y g
AL3065 docume nt number: ds 37677 rev. 1 - 2 15 of 15 www.diodes.com april 2015 ? diodes incorporated AL3065 new product important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a pa rticular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this docume nt and any product described herein. diodes incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does diodes incorporated convey any license unde r its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such applications sh all assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented o n diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthor ized sales channel. should customers purchase or use diodes incorpo rated products for any unintended or unauthorized application, customers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising ou t of, directly or indirectly, any clai m 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. product nam es and markings noted herein may also b e covered by one or more united states, international or foreign trademarks. this document is written in english but may be translated into multiple languages for reference. only the english version of this document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical components in life support devices or system s without the express written approval of the chief executive officer of diodes inc orporated. as used herein: a. life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for us e provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support device or system whose failure to perform can be reasonably expe cted to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support d evices or systems, and acknowledge and agree that th ey are solely responsible for all legal, regulatory and safety - related requirements concerning their products and any use of diodes incorporated products in such safety - critical, life support devices or systems, notwithstanding any devices - or systems - related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes inco rporated and its representatives against any damages arising out of the use of diodes incorporated products in such safety - critical, life support devices or systems. copyright ? 201 5 , diodes incorporated www.diodes.com

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