ap37 6 6 document numbe r: ds 37658 rev. 2 - 2 1 of 8 www.diodes.com december 2014 ? diodes incorporated ap37 6 6 a product line of diodes incorporated new product low - power off - line primary side regulation controller description the ap3766 is a high performance ac/dc power supply controller for led drivers, battery charger and adapter applications. the device uses pulse frequency modulation (pfm) method to build discontinuous conduction mode (dcm) flyback power supplies. the ap3766 provides accurate constant voltage, constant current (cv/cc) regulation while removing the opto - coupler and secondary control circuitry. it also eliminates the need of loop compensation circuitry while maintaining stability. the ap3766 achieves excellent regulation and high average efficiency, yet meets the requirement for no - load consumption less than 30mw. the ap3766 is available in sot 2 6 package. features ? prim ary side control for rectangular constant current and constant voltage output ? sub - microampere start - up current ? 30mw no - load input power feasible ? tight cc regulation performance ? eliminates opto - coupler and secondary cv/cc control circuitry ? eliminates cont rol loop compensation circuitry ? flyback topology in dcm o peration ? random frequency modulation to reduce system emi ? built - in s oft s tart ? open feedback protection ? short circuit protection ? sot 2 6 package ? totally lead - free & fully rohs compliant (note s 1 & 2) ? halogen and antimony free. green device (note 3) pin assignments (top view) sot 2 6 applications ? led drivers ? adapters/chargers for cell/cordless phones, pdas, mp3 and other portable apparatus ? standby and auxil iary power supplies 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 - an d 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 appl ications circuit 5v/700ma output for battery charger of mobile phone 1 2 3 4 5 p i n 1 m a r k 6 o u t g n d v c c f b g n d c s + c 1 + c 4 v o + v o - d 2 r 1 r 3 r 4 r s q 1 r 6 r 7 t 1 d 1 c 2 v c c o u t f b c s g n d a p 3 7 6 6 n s + r 5 c 3 d 3 r 2 n f b n p
ap37 6 6 document numbe r: ds 37658 rev. 2 - 2 2 of 8 www.diodes.com december 2014 ? diodes incorporated ap37 6 6 a product line of diodes incorporated new product pin description s pin number pin name function 1 out this pin drives the base of external power npn switch 2 , 5 gnd g round 3 vcc supply voltage 4 cs t he primary current sense 6 fb the voltage feedback from the auxiliary winding functional block diagram r e g u l a t o r & b i a s t o n s e c d e t e c t o r 0 . 1 v 4 . 0 v p f m t o n s c o m p e a 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 c c _ c t r l 3 1 2 , 5 4 6 o c k p p e a k c u r r e n t c o n t r o l & l e b c o n s t a n t c u r r e n t c o n t r o l t o n s c o n s t a n t v o l t a g e c o n t r o l v c c o u t g n d c s f b
ap37 6 6 document numbe r: ds 37658 rev. 2 - 2 3 of 8 www.diodes.com december 2014 ? diodes incorporated ap37 6 6 a product line of diodes incorporated new product absolute maximum ratings ( note 4 ) parameter rating unit supply voltage vcc - 0.3 to 36 v voltage at cs, out to gnd - 0.3 to 7 v fb input - 40 to 10 v output current at out internally limited a operating junction temperature + 150 o c storage temperature - 65 to + 150 o c lead temperature (soldering, 10s) + 300 o c thermal resistance junction - to - ambient 250 o c /w esd (machine model) 200 v esd (human body model) 2000 v note 4 : stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. these are stres s ratings only, and functional operation of the device at thes e or any other conditions beyond those indicated under recommended operating conditions is not implied. exposure to absolute maximum ratings for extended periods may affect device reliability. electrical characteristics ( v cc = 1 5 v, t a = + 25 o c, unless otherwise specified. ) symbol parameter conditions min typ max unit uvlo section v th (st) s tart - up threshold C 16 18.5 21 v v opr (min) minimal operating voltage C 7.2 9 10.2 v standby current section i st s tart - up current v cc = v th (st) - 0.5v, befor e start - up C C 0.6 ? a i cc(opr) operating current static C 200 32 0 ? a drive output section i out out maximum current s i nk C 50 C C ma source 2 4 30 36 current sense section v c s current sense threshold C 455 510 545 m v e qu ivalent current sense voltage accuracy note 5 C C 3 % v c s (pre) pre - current sense C 365 410 ? 455 ? mv C leading edge blanking C C 750 ? C ? ns feedback input section i fb feedback pin input leakage current v fb =4v 2 . 0 2. 5 3 . 1 ? a v fb feedback threshold C 3. 5 9 3. 83 ? 4.0 7 ? v note 5 : the output current is given by i out = . eq cs, eq cs, v v ? s p cs eq cs, n n x r v
ap37 6 6 document numbe r: ds 37658 rev. 2 - 2 4 of 8 www.diodes.com december 2014 ? diodes incorporated ap37 6 6 a product line of diodes incorporated new product performance characteristics start - up voltage vs. ambient temperature minimal operating voltage vs. ambient temperature operati ng current vs. ambient temperature i fb vs. ambient temperature -40 -20 0 20 40 60 80 100 120 16 17 18 19 20 21 start-up voltage (v) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 7.5 8.0 8.5 9.0 9.5 10.0 10.5 minimal operating voltage (v) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 100 120 140 160 180 200 220 240 260 280 300 operating current ( ? a) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 0 1 2 3 4 5 6 i fb ( ? a) ambient temperature ( o c)
ap37 6 6 document numbe r: ds 37658 rev. 2 - 2 5 of 8 www.diodes.com december 2014 ? diodes incorporated ap37 6 6 a product line of diodes incorporated new product ordering information package temperature ran ge part number marking id packing so t 2 6 - 40 to + 10 5 ? c ap3 76 6 k6tr - g1 gb f 3000/ t ape & reel marking information (top view) : logo x xx : marking id (see ordering information) xxx a p 3 7 6 6 x x x x - x x p a c k i n g p a c k a g e p r o d u c t n a m e k 6 : s o t 2 6 r o h s / g r e e n g 1 : g r e e n t r : t a p e & r e e l
ap37 6 6 document numbe r: ds 37658 rev. 2 - 2 6 of 8 www.diodes.com december 2014 ? diodes incorporated ap37 6 6 a product line of diodes incorporated new product package outline dimensions (all d imensions in mm (inch) . ) (1 ) package t y pe: so t 2 6 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
ap37 6 6 document numbe r: ds 37658 rev. 2 - 2 7 of 8 www.diodes.com december 2014 ? diodes incorporated ap37 6 6 a product line of diodes incorporated new product suggested pad layout (1) package t ype: sot 2 6 dimensions z (mm)/(inch) g (mm)/(inch) x (mm)/(inch) y (mm)/(inc h) 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
ap37 6 6 document numbe r: ds 37658 rev. 2 - 2 8 of 8 www.diodes.com december 2014 ? diodes incorporated ap37 6 6 a product line of diodes incorporated 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 particular 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 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 d iodes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such appli cations shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on 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 incorporated 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 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 p atents pending. product names and markings noted herein may also be 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 engl ish 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 ex press 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 t o perform when properly used in accordance with instructions for use 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 expected 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 devices or systems, and acknowledge and agree that they 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 suppo rt 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 incorpora ted 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 ? 2014, diodes incorporated www.diodes.com
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