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ap3783r document number: ds 37448 rev. 5 - 2 1 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r primary side regulated switching mode power supply controller description the ap3783r is a high frequency, high efficiency and high accuracy switching mode power supply controller to drive power mosfet for 5v / 2a battery charger/adapter app lications. the controller regulates the output voltage and current in the primary side by piece - wise pulse frequency modulation (p - pfm) in discontinuous conduction mode (dcm) . the system operating frequency reduces linearly from heavy load to light load in each interval of the p - pfm, and enters constant current mode when the load current equals to the maximum system output current. the ap3783r provides accurate constant voltage (cv), constant current (cc) and outstanding dynamic performance without requiri ng an opto - coupler. it also eliminates the need of loop compensation circuitry while maintaining stability. the ap3783r provides v all e y turn - on function and 3 - segment drive c urrent to improve the power supply em i performance. the ap3783r also has built - in fixed cable voltage drop compensation ( 8 % , 4% and 2% of nominal system output voltage to meet various cables with different length and gauge ) and adjustable line voltage compensation. the ap3783r achieves excellent regulation and high average efficiency, less than 2 s startup time for 30 mw standby power solution. when ap3783r is used with ap r3415 , good undershoot and efficiency performance s can be achieved . the ap3783r is packaged in sot26. applications ? adapters/chargers ? standby and auxiliary power supplies pin assignments (top view) sot26 features ? less than 30 mw s tandby p ower c onsumption ? meet efficiency requirement of coc t rier2 ? vall e y turn - on to r educe s witching l oss and improve emi ? piece - wise f requency r eduction to e nhance c onversion e fficiency and s uppress a udio n oise ? over v oltage p rotection (ovp) ? over temperature p rotection (otp) ? short c ircuit p rotection (scp) with hiccu p ? 3 - segment drive c urrent for radiative emi suppression ? o perating f requency jitter f unction for conductive emi suppression ? drive mosfet for 5w to 2 0w b attery c harger/ a dapter a pplications ? sot26 smd p ackage c omply with l evel 3 of ipc/jedec j - std - 033a ? totall y lead - free & fully rohs compliant (notes 1 & 2 ) ? halogen and antimony free. green device (note 3) 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/quality/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 chlo rine (<1500ppm total br + cl) and <1000ppm antimony compounds . c s g n d v c c c p c f b d r i 1 2 3 4 5 pin 1 mark 6
ap3783r document number: ds 37448 rev. 5 - 2 2 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r typical applications circuit pin description s p in number pin name function 1 cs the cs is the current sense pin of the ic. t he ic will turn o ff the power mosfet according to the voltage on the cs pin 2 gnd the ground of the controller 3 vcc t he vcc pin supplies the power for the ic. i n order to get the correct operation of the ic, a capacitor with low esr should be placed as close as possible to the vcc pin 4 fb t he cv and cc regulation are realized based on the voltage sampling of this pin 5 dri output pin to drive external mosfet 6 cpc a capacitor about 50nf should be connected to this pin. t he voltage of cpc pin is linear to load of the system and it is used for the functions of cable voltage drop compensation and audio noise suppression + u 2 a p r 3 4 1 5 r 3 v c c a r e f d r a i n d r a i n g n d g n d v d e t d r i s r r 5 c 2 r 2 c 3 c i n 2 f r 1 d a t 1 f b r f b 1 d r i c p c r c s r f b 2 c s c v c c u 1 g n d v c c c c p c r s t 1 r s t 2 q 1 5 v / 2 a d i n r 0 r 1 c 1 d 1 c y 1 a p 3 7 8 3 r c i n 1 n p n a + + + l i n r a 1 2 3 4 5 6 c o u t n s r 4 c 4
ap3783r document number: ds 37448 rev. 5 - 2 3 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r functional block diagram r e g u l a t o r & b i a s o v p / s c p / o t p / o c k p / m a x t o n p p f m u v l o c v _ c t r l p f m d r i v e r r q s r q s f b c s c p c v c c d r i g n d c o n s t a n t v o l t a g e c o n t r o l c o n s t a n t c u r r e n t c o n t r o l 0 . 8 3 v 1 3 5 2 6 4 c o m p e a p e a k c u r r e n t c o n t r o l & l e b p r o s h u t d o w n l i n e c o m p e n s a t i o n t i m e r u v / o v u v / o v v c s _ x s e l e c t v a l l e y _ o n v l o a d c c _ c t r l c s l l m o d e v c s _ x l i g h t l o a d d e t e c t i o n l l m o d e c a b l e c o m p e n s a t i o n v l o a d u v d e t e c t _ o n l o w p a s s f i l t e r v c p c v c s _ x t o n s t o f f t o n s d e t e c t o r d y n v f b _ r e f v l i n e v c s _ r e f t o n s t 2 5 6 m s t 2 5 6 m s t d e l a y d y n a m i c r e s p o n s e t d e l a y
ap3783r document number: ds 37448 rev. 5 - 2 4 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r absolute maximum ratings (note 4 ) symbol parameter rating unit v cc s upply voltage - 0.3 to 35 v v c s , v c pc voltage on cs, cpc pin - 0.3 to 7 v v fb fb input voltage - 0. 4 to 10 v i source source current from out pin internally limited a t j operating junction temperature - 40 to + 150 oc t stg storage temperature - 65 to + 150 oc t lead lead temperature (soldering, 10 sec) + 300 oc ja thermal resistance ( junction to ambient ) 200 oc /w esd esd (human body model) 6000 v esd ( charged device model ) 400 v note 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 recommended operating condi tions is not implied. exposure to absolute maximum r atings for extended periods may affect device reliability. electrical characteristics (@ v cc = 1 5v, t a = + 25c , unless othe rwise specified .) symbol parameter conditions min typ max unit startup and uvlo section v th_st startup threshold C 13 15.5 18 v v o pr(min) minimal operating voltage C 6 6.8 7.6 v standby current section i st startup current v cc =v th_st - 1 v before startup 0 0.2 0.6 m a i cc _opr operating current static current @ no load 350 500 650 driving output section v gate gate voltage C 10 11 12 v i source_l low driver source current C 38 43 48 m a i source_h high driver source current C 100 110 120 ma v th high/low drive source current threshold voltage C 6 6.5 7 v r sink sink resistance C 5.5 6.5 7.5 ? ? operating frequency secti on (ll mode to full load) ? f s(max) maximum operating frequency i o(max) (note 5) C C 80 khz t sample _h sample time 37 % to 100% i o(max) 3. 8 4 .2 4. 6 s t sample _ l 0% to 37 % i o(max) (note 6) 2. 15 2. 4 2. 65 s operating frequency section (ll mode) v cpc(en) c pc pin voltage to enter ll mode C 18 20 22 mv v cpc(ex) cpc pin voltage to exit ll mode C 36 40 44 mv t off(en) off time to enter ll mode from the end of t ons 230 256 282 s t off(ex) off time to exit ll mode from the end of t ons 230 256 282 s
ap3783r document number: ds 37448 rev. 5 - 2 5 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r electr ical characteristics (cont.) (@ v cc = 1 5v, t a = + 25c , unless othe rwise specified .) symbol parameter conditions min typ max unit frequency jitter v cs / v cs v cs modulation 6. 5% to 100% i o(max) 4.5 5 5.5 % f mod v cs modulation frequency 3.6 4 4.4 khz current sense section v cs_h peak current s ense threshold v oltage 3 7 % to 100% i o(max) 828 900 972 mv v cs_ l 0 % to 37 % i o(max) 460 500 540 mv r l ine built - in line compensation r esistor (note 7) 245 260 275 ? ? t leb leading edge blanking (note 6) 400 500 600 ns c onstant voltage section v fb feedback threshold voltage closed l oop t est of v out 3.95 4.01 4.07 v r fb fb pin input resistance v fb =4v 560 700 840 k ? v cab l e /v out % cable compensation ratio ap3783ra 7 8 9 % ap3783rb 3 4 5 % ap3783rc 1 2 3 % constant current section ? t ons /t sw secondary winding conduction duty v fb = 4 v 0.47 0.5 0.53 C ? valley - on section ? t val - on valid off time of valley - on from the end of t ons 14.4 16 17.6 s ? dynamic section ? v trigger trigger voltage for dynamic function C 74 83 92 mv t delay delay time for dynamic function from the end of t ons 115 128 141 s v uv_h under voltage of fb pin for v cs_h C 3.82 3.89 3.96 v ? t off(max) m aximum o ff t ime C 6 8 10 ms protection function section v fb(ovp) over voltage protection at fb pin C 7.1 7.5 7.9 v v cc(ovp) over voltage protection at vcc pin C 28 30 32 v t onp(max) m aximum turn - on time C 13 19 25 s v fb(scp) short circuit protection v fb @ hiccup 2.45 2.6 2.75 v t scp maximum time under v fb(scp) C 115 128 141 ms t otp shutdown temperature C + 126 + 140 + 154 oc t hys temperature hysteresis C +36 + 40 +44 oc notes: 5. the output c onstant - current design value, generally set to 110% to 120% of full load . 6. g uarantee d by design. 7. line compensation vol tage on cs reference: aux line fb line ref cs v r r r v ? ? ? ? 1 _ 438 . 0
ap3783r document number: ds 37448 rev. 5 - 2 6 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r performance characteristics start - up voltage vs. ambient temperature st art - up current vs. ambient temperatur e minimal operating voltage vs. ambient temperature operating current vs. ambient temperature high source current vs. ambient temperature sink resistance vs. ambient temperature -40 -20 0 20 40 60 80 100 120 140 13.5 14.0 14.5 15.0 15.5 16.0 16.5 17.0 ambient temperature ( o c) start-up voltage (v) -40 -20 0 20 40 60 80 100 120 140 0.0 0.2 0.4 0.6 0.8 1.0 start-up current ( m a) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 140 3 4 5 6 7 8 ambient temperature ( o c) minimun operating voltage (v) -40 -20 0 20 40 60 80 100 120 140 200 300 400 500 600 700 ambient temperature ( o c) operating current ( m a) -40 -20 0 20 40 60 80 100 120 140 0 2 4 6 8 10 12 14 ambient temperature ( o c) sink resistance ( ? ) -40 -20 0 20 40 60 80 100 120 140 40 60 80 100 120 140 high source current (ma) ambient temperature ( o c)
ap3783r document number: ds 37448 rev. 5 - 2 7 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r performance characteristics (cont.) feedback voltage vs. ambient temperature gate voltage vs. ambient temperature line compensation resistance vs. ambient temperature input resistance of fb pin vs. ambient temperature -40 -20 0 20 40 60 80 100 120 140 2.5 3.0 3.5 4.0 4.5 5.0 ambient temperature ( o c) feedback voltage (v) -40 -20 0 20 40 60 80 100 120 140 9 10 11 12 13 14 ambient temperature ( o c) gate voltage (v) -40 -20 0 20 40 60 80 100 120 140 0 100 200 300 400 500 ambient temperature ( o c) line compensation resistance ( ? ) -40 -20 0 20 40 60 80 100 120 140 500 600 700 800 900 1000 1100 1200 ambient temperature ( o c) input resistance of fb pin (k ? )
ap3783r document number: ds 37448 rev. 5 - 2 8 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r o peration principle descrip tion figure 1 . t ypical a pplication c ircuit of ap3783r figure 1 is the typical application circuit of ap3783r , which is a conventional flyback converter with a 3 - winding transformer -- - primary winding (n p ), secondary winding (n s ) and auxiliary winding (n aux ). the auxiliary winding is used for providing vcc supply voltage for ic and sensing the output voltage feedback signal to fb pin. figure 2 . the operation waveform of flyback psr system t onp t ons i pk i pks v s i p i s t offs t off v sec v a v aux t sw + u 2 a p r 3 4 1 5 r 3 v c c a r e f d r a i n d r a i n g n d g n d v d e t d r i s r r 5 c 2 r 2 c 3 c i n 2 f r 1 d a t 1 f b r f b 1 d r i c p c r c s r f b 2 c s c v c c u 1 g n d v c c c c p c r s t 1 r s t 2 q 1 5 v / 2 a d i n r 0 r 1 c 1 d 1 c y 1 a p 3 7 8 3 r c i n 1 n p n a + + + l i n r a 1 2 3 4 5 6 c o u t n s r 4 c 4
ap3783r document number: ds 37448 rev. 5 - 2 9 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r o pe ration principle description (cont.) figure 2 shows the typical waveforms which demonstrate the basic operating principle of ap3783r application. and the parameters are defined as following. i p --- the primary side current i s --- the secondary side current i pk --- peak value of primary side current i pks --- peak value of secondary side current v sec --- the transient voltage at secondary winding v s --- the stable voltage at secondary winding when rectification diode is in conducting status, which equals the sum of o utput voltage v out and the forward voltage drop of diode v aux --- the transient voltage at auxiliary winding v a --- the stable voltage at auxiliary winding when rectification diode is in conducting status, which equals the sum of voltage vcc and the forward v oltage drop of auxiliary diode t sw --- the period of switching frequency t onp --- the conduction time when primary side switch is on t ons --- the conduction time when secondary side diode is on t off --- the dead time when neither primary side switch nor secondary side diode is on t offs --- the time when secondary side diode is off for primary - side regulation, the primary current ip(t) is sensed by a current sense resistor r cs ( as shown in figure 1) .the current rises up linearly at a rate of: ( 1 ) as illustrated in figure 2 , when the current ip(t) rises up to i pk , the switch q1 turns off. the constant peak current is given by: ( 2 ) the energy stored in the magnetizing inductance l m each cycle is therefore: ( 3 ) so the power transferring from the input to the output is given by: ( 4 ) where, the f sw is the switching frequency. when the peak current i pk is constant, the output power depends on the switching frequency f sw . constant voltage operation as to constant - voltage (cv) operation mode, the ap3783r detects the auxiliary w inding voltage at fb pin to regulate the output voltage. the auxiliary winding voltage is coupled with secondary side winding voltage, so the auxiliary winding v oltage at d1 conduction time is : ( 5 ) where vd is t he diode forward voltage drop. m l t dt t dip ) ( v ) ( in ? cs cs pk r v i ? 2 2 1 pk m i l eg ? ? ? sw pk m f i l p ? ? ? ? 2 2 1 ? ? vd vo n n v s aux aux ? ? ?
ap3783r document number: ds 37448 rev. 5 - 2 10 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r o peration principle description (cont.) figure 3 . auxiliary voltage waveform the voltage detection point is at a constant delay time of the d1 on - time. the constant delay time is change d with the different primary peak current. the cv loop control function of ap3783r then generates a d1 off - time to regulate the output voltage. constant current operation the ap3783r can work in constant - current (cc) mode. figure 2 shows the secondary cur rent waveforms. in cc operation mode, the cc control loop of ap3783r will keep a fixed proportion between d1 on - time t ons and d1 off - time t offs . the fixed proportion is ( 6 ) the relationship between the output constant - current and secondary peak current ipks is given by: ( 7 ) as to tight coupled primary and secondary winding, the secondary peak c urrent is ( 8 ) thus the output constant - current is given by: ( 9 ) therefore, ap3783r can realize cc mode operation by constant primary pe ak current and fixed diode conduction duty cycle. multiple segment constant peak current as to the original pfm psr system, the switching frequency decreases with output current decreasing, which will encounter aud ible noise issue since switching freque ncy decrease s to audio freq uency range, about less than 20 k hz. in order to avoid audible noise issue, ap3783r uses 2 - segment constant primary peak current control method. at constant voltage mode, the current sense threshold voltage is of multiple segme nt s with different loadin g, as shown in figure 4 , which are v cs _h for high load, v cs _ l for light load and ll mode . at constant current mode, the current sense threshold voltage is always v cs _h . 0 v s e e e q u a t i o n 5 t o n s t s a m p l e 4 4 ? offs ons t t offs ons ons pks max o t t t i i ? ? ? ? 2 1 ) ( pk s p pks i n n i ? ? pk s p offs ons ons pk s p max o i n n t t t i n n i ? ? ? ? ? ? ? ? 8 2 2 1 ) (
ap3783r document number: ds 37448 rev. 5 - 2 11 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r o peration principle description (cont.) figure 4 . multiple segment peak current at cv mode it can be seen from figure 4 , with multiple segment peak current control, ap3783r power system can keep switching frequency above 24khz at whole heavy load and most of light load to guarant ee the audible noise free performance. constant voltage operation in ll mode and dynamic response i n p rimary s ide r egulation of ap3783r application, ap r3415 must be used a t secondary side as the output voltage regulator, low standby power and excellent dynamic response can be achieved. w hen the output voltage detected by apr3415 is lower than its trigger voltage , ap r3415 outputs periodical signals which will b e coupled to auxiliary side . when ap3783r detect s the signal which is valid that the signal volt age is higher than v trigger and t off is longer than t delay , ap3783r will begin an operating pulse, then primary switch immediately turns on to provide one energy pulse to output terminal and primary v cc . by fast response and cooperation, ap r3415 and ap37 8 3r can maintain a constant output voltage with very low operating frequency in ll mode and also can effectively improve dynamic performance for p rimary s ide r egulation power system. the conditions of entering ll mode --- v cpc < 20 mv and t off >256 s. the condition of exiting ll mode --- v cpc 40 mv or t off < 256 s. t he critical point of the ll mode is generally about 5% i o(max) . 3 - segment drive current for radiative emi suppression when the power switch is turned on, a turn - on spike will occur, that w orsens the radiative emi. it is an effective way to decrease drive current before gate voltage gets to miller platform. the ap3783r uses 3 - segment drive current for radiative emi suppression, as shown in figure 5. w hen gate voltage get s to 6v, the ap3783r drive current switches from low current ( 43 ma) to high current (110ma). when the gate voltage gets to 10v, the drive current will decrease gradually to 0ma until the gate voltage go es up to the clamp voltage (1 1 v). v c s _ l v c s _ h l i g h t - l o a d h i g h - l o a d v c s _ r e f f s w 0 . 5 k h z 8 0 k h z 3 7 % 5 % 2 4 k h z i o ( m a x ) 6 5 k h z f u l l l o a d
ap3783r document number: ds 37448 rev. 5 - 2 12 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r o peration principle description (co nt.) figure 5 . drive current and gate voltage leading edge blanking (leb) time when the power switch is turned on, a turn - on spike will occur on the sense - resistor. to avoid false turn off switch, a leading - edge blanking is built in. during this blanking time, the current sense comparator is disabled and the external power switch cannot be turned off. adjustable line compensation and fixed cable compensation the ap 3783 r power system can adjust line compensation by changin g the upper resistor at fb pin. t he line compensation capability is increased by decreasing the resistance of the upper fb resistor . cable compensation is fixed in ap 3783 r . valley turn - on when the off time (t off ) is lower than 16 m s, ap3783 r power s yst em can work with valley turn - on. it can reduce mosfet switching on power losses which is result ed from the equivalent output capacitance. at the sa me time, because of valley turn - on the switching frequency has the random jitter feature, which will be benef it for conductive emi performance. and valley turn - on can also reduce the power switch turn on spike current and then result in the better radiative emi performance. frequency jitter even though th e valley turn - on function can lead the random frequency jitter feature, an active frequency ji tter function is added to ap378 3r to ensure the frequency jitter performance in the whole loading condition . by adjusting the v cs _ ref with deviation of 5 .0% every 256s cycle , the active frequ ency jitter can be realize d . short circuit protection (scp) s hort c ircuit p rotection (scp) detection principle is similar to the normal output voltage feedback detection by sensing fb pin voltage . when the detected fb pin voltage is below v fb(scp) for a duration of about 1 2 8ms, th e scp is triggered. t hen the ap3783r enters hiccup mode that the ic immediately shuts down and then restarts , so that the vcc voltage changes between v th_st and uvlo threshold until v fb(scp) condition is removed. as to the normal system startup, the time duration of fb pin voltage below v fb(scp) should be less than t scp to avoid entering scp mode. but for the output short condition or the output voltage below a certain level, the scp mode will be triggered . g a t e v o l t a g e d r i v e c u r r e n t t 1 0 v 6 . 5 v h i g h d r i v e d u r r e n t = 1 1 0 m a l o w d r i v e c u r r e n t = 4 3 m a 1 1 v m i l l e r p l a t f o r m
ap3783r document number: ds 37448 rev. 5 - 2 13 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r o peration principle description (cont.) figure 6 is the ap3783r normal start - up waveform that t he voltage o f fb pin is above v fb(scp) during t scp after v cc gets to the v th_st , which doesn t enter the scp mode. as shown in figure 7, v out is short and t he voltage o f fb pin is lower than v fb(scp) during t scp , the ap3783r triggers the scp and enter the hiccup mode. figure 6 . normal start - up figure 7 . short circuit protection (scp) and hiccup mode ovp the ap3783r includes output over - vol tage protection (ovp). if the voltage at fb pin exce eds v fb(ovp) , the ap3783r immediately shuts down and keeps the internal circuitry enabled to discharge the vcc capacitor to the uvlo turn - off threshold. after that, the device returns to the start state a nd a start - up sequence ensues. otp if the junction temperature reaches the threshold of + 1 4 0 ? c, ap3783r shuts down immediately. before vcc voltage decrease s to uvlo, if the junction temperature decreases to + 1 0 0 ? c, ap3783r can recover to normal operati on. if not, the power system enters restart hiccup mode until the junction temperature decreases below + 1 0 0 ? c. v t h _ s t v f b ( s c p ) t s c p v c c v f b v o u t v o u t ( s c p ) 5 v v t h _ s t v o p r ( m i n ) v f b ( s c p ) t s c p v c c v f b v o u t 0 v
ap3783r document number: ds 37448 rev. 5 - 2 14 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r ordering information product package temperature range cable compensation voltage part number marking id packing ap3783r sot 2 6 - 40 to + 85 ? c 8 % ap3783rak6tr - g1 gnt 3000/ tape & reel 4 % ap3783rbk6tr - g1 gnw 3000/ tape & reel 2 % ap3783r c k6tr - g1 gpt 3000/ tape & reel marking information (top view) : logo xxx : marking id xxx a p 3 7 8 3 r x x x x x - g 1 p a c k i n g p a c k a g e t r : t a p e & r e e l k 6 : s o t 2 6 g 1 : g r e e n p r o d u c t n a m e r o h s / g r e e n c a b l e c o m p e n s a t i o n v o l t a g e a : 8 % b : 4 % c : 2 %
ap3783r document number: ds 37448 rev. 5 - 2 15 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r package outline dimensio ns (all d imensions in mm (inch) . ) (1) package type: sot26 2 . 8 2 0 ( 0 . 1 1 1 ) 3 . 1 0 0 ( 0 . 1 2 2 ) 2 . 6 5 0 ( 0 . 1 0 4 ) 3 . 0 0 0 ( 0 . 1 1 8 ) 1 . 5 0 0 ( 0 . 0 5 9 ) 1 . 7 0 0 ( 0 . 0 6 7 ) 0 . 9 5 0 ( 0 . 0 3 7 ) t y p 1 . 8 0 0 ( 0 . 0 7 1 ) 2 . 0 0 0 ( 0 . 0 7 9 ) 0 . 3 0 0 ( 0 . 0 1 2 ) 0 . 5 0 0 ( 0 . 0 2 0 ) 0 . 7 0 0 ( 0 . 0 2 8 ) r e f 0 . 1 0 0 ( 0 . 0 0 4 ) 0 . 2 0 0 ( 0 . 0 0 8 ) 0 8 0 . 2 0 0 ( 0 . 0 0 8 ) 0 . 3 0 0 ( 0 . 0 1 2 ) 0 . 6 0 0 ( 0 . 0 2 4 ) 0 . 0 0 0 ( 0 . 0 0 0 ) 0 . 1 5 0 ( 0 . 0 0 6 ) 0 . 9 0 0 ( 0 . 0 3 5 ) 1 . 3 0 0 ( 0 . 0 5 1 ) 1 . 4 5 0 ( 0 . 0 5 7 ) m a x 1 2 3 4 5 6 p i n 1 m a r k
ap3783r document number: ds 37448 rev. 5 - 2 16 of 17 www.diodes.com october 2015 ? diodes incorporated new product ap3783r suggested pad layout (1) package type: sot26 dimensions z (mm)/(inch) g (mm)/(inch) x (mm)/(inch) y (mm)/(inch) e (mm)/(inch) value 3.600/0.142 1.600/0.063 0.700/0.028 1.000/0.039 0.950/0.037 e e g z y x
ap3783r document number: ds 37448 rev. 5 - 2 17 of 1 7 www.diodes.com october 2015 ? diodes incorporated new product ap3783r important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not l imited to, the implied warranties of merchantability 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, improve ments, corrections or other changes without further notice to this document and any product described herein. diodes incorporated does not assume any liability a rising out of the application or use of this document or any product described herein; neither does diodes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or pro ducts described herein in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diod es incorporated website, harmless against all damages. diodes incorpora ted does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales chann el. should customers purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall i ndemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising ou t of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized ap plication. 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 be covered by one or more united states, international or foreign trademarks. th is document is written in english but may be translated into multiple languages for reference. only the english version of t his 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 systems without the express written approval of the chief executive officer of diodes incorporated. 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 use provided i n the labeling can be reasonably expected to result in signifi cant 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. c ustomers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support de vices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety - related requireme nts 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 incorporated 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.di odes.com

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