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1 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet constant voltage and consta nt current controller ap4313 general description the ap4313 is a highly integrated solution for a con- stant voltage/constant curr ent mode smps application. the ap4313 contains one 1.21v voltage reference with 1% accuracy, one current sensing circuit and two operational amplifiers. combining the voltage refer- ence with one operational amplifier makes ap4313 an ideal voltage controller for use in adapters and battery chargers. the other low voltage reference combined with the other operational amplifier makes it an ideal current limiter for output low side current sensing. the ap4313 is available in sot-23-6 package. features constant voltage and constant current control precision internal voltage reference few external components easy compensation low supply current: 0.5ma operating temperature range: -40 to 105 o c applications adapters battery chargers figure 1. package type of ap4313 sot-23-6
2 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet constant voltage and consta nt current controller ap4313 figure 2. pin configuration of ap4313 (top view) pin description pin number pin name function 1v ctrl input pin of the voltage control loop 2 gnd ground 3v out output pin. sinking current only 4i ctrl input pin of the current control loop 5v sense input pin of the current control loop 6v cc power supply pin configuration (sot-23-6) k package v ctrl gnd v out v cc v sense i ctrl 1 2 34 5 pin 1 dot by marking 6
3 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet constant voltage and consta nt current controller ap4313 functional block diagram figure 3. functional block diagram of ap4313 package temperature range part number marking id packing type sot-23-6 -40 to 105 o c AP4313KTR-G1 g6g tape & reel circuit type package k: sot-23-6 ap4313 - tr: tape and reel ordering information v cc v out gnd v sense i ctrl 1.210v 200mv 1 2 3 4 5 6 v ctrl g1: green bcd semiconductor's products, as designa ted with "g1" suffix in the part number, are rohs compliant and green.
4 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet constant voltage and consta nt current controller ap4313 parameter symbol value unit power supply voltage v cc 20 v input voltage v in -0.3 to v cc v junction temperature t j 150 o c storage temperature t stg -65 to 150 o c lead temperature (soldering, 5sec) t lead 260 o c package thermal resistance (junction to case) jc 92 o c/w note 1: stresses greater than those li sted under "absolute maximu m ratings" may cause permanen t damage to the device. these are stress ratings only, and functiona l operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. exposure to "absolut e maximum ratings" for extended periods may affect device reliability. parameter symbol min max unit power supply voltage v cc 2.5 18 v operating temperature range t a -40 105 o c recommended operating conditions absolute maximum ratings (note 1)
constant voltage and consta nt current controller ap4313 5 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet parameter symbol conditions min typ max unit total current consumption total supply current not including the output sinking current i cc 0.6 1.2 ma voltage control loop transconduction gain (v ctrl ). sink current only gmv 1 3.5 ma/mv voltage control loop reference v ref 1.198 1.21 1.222 v input bias current (v ctrl )i ibv 50 na current control loop transconduction gain (i ctrl ). gmi 1.5 7 ma/mv current control loop reference v sense i out =2.5ma 196 200 204 mv current out of pin i ctrl at -200mv i ibi 25 a output stage low output voltage at 10ma sinking current v ol 200 mv output short circuit current. output to v cc. sink current only i os 27 50 ma (v cc =5v, t a =25 o c, unless otherwise specified.) electrical characteristics
6 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet constant voltage and consta nt current controller ap4313 typical performance characteristics figure 4. v ref vs. ambient temperature figure 5. v sense vs. ambient temperature figure 6. v ctrl pin input bias current vs. figure 7. i ctrl pin input bias current vs. ambient temperature ambient temperature -40 -20 0 20 40 60 80 100 120 1.195 1.200 1.205 1.210 1.215 1.220 1.225 v ref (v) ambient temperature ( o c) -40-20 0 20406080100120 195 196 197 198 199 200 201 202 v cc =12v v cc =5v v cc =2.5v v sense (mv) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 15 20 25 30 35 40 v cc =12v v cc =5v v cc =2.5v i ibi ( a) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 v cc =12v v cc =5v v cc =2.5v i ibv (na) ambient temperature ( o c)
7 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet constant voltage and consta nt current controller ap4313 typical performance ch aracteristics (continued) figure 8. output short circuit current vs. figure 9. supply current vs. ambient temperature ambient temperature -40-20 0 20406080100120 0 10 20 30 40 50 60 v cc =12v v cc =5v v cc =2.5v i os (ma) ambient temperature ( o c) -40 -20 0 20 40 60 80 100 120 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 v cc =12v v cc =5v v cc =2.5v i cc (ma) ambient temperature ( o c)
8 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet constant voltage and consta nt current controller ap4313 typical application 1.210v v cc v out gnd v sense i ctrl rss r4 to primary r2 r1 v out + v out - load c1 r3 c3 r5 r6 500 v ctrl ap4313 + + i l figure 10. typical application 1 of ap4313 (v) (a) ss sense r v it currentlim = 1 2 1 r r r v v ref out + =
9 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet constant voltage and consta nt current controller ap4313 typical applicat ion (continued) 1.210v v cc v out gnd v sense i ctrl rss r4 to primary r2 r1 v out + v out - load r3 c3 r5 r6 500 v ctrl ap4313 + + i l c1 figure 11. typical application 2 of ap4313 (v) (a) ss sense r v it currentlim = ) ( 1 2 1 )] ( [ ss l ss l ref ut o r i r r r r i v v ? + + =
10 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet constant voltage and consta nt current controller ap4313 typical applicat ion (continued) 1.210v v cc v out gnd v sense i ctrl rss r4 to primary r2 r1 v out + v out - load c1 r3 c3 r5 r6 500 v ctrl ap4313 + + i l figure 12. typical application 3 of ap4313 (v) (a) () ss ref sense ref sense r v v v v it currentlim + = ) ( 1 2 1 ss l ref out r i r r r v v ? + =
constant voltage and consta nt current controller ap4313 11 may 2010 rev. 2. 0 bcd semiconductor manufacturing limited data sheet mechanical dimensions sot-23-6 unit: mm(inch) 2.820(0.111) 3.020(0.119) 2.650(0.104) 2.950(0.116) 1.500(0.059) 1.700(0.067) 0.950(0.037)typ 1.800(0.071) 2.000(0.079) 0.300(0.012) 0.400(0.016) 0.700(0.028)ref 0.100(0.004) 0.200(0.008) 0 8 0.200(0.008) 0.300(0.012) 0.600(0.024) 0.000(0.000) 0.150(0.006) 0.900(0.035) 1.300(0.051) 1.450(0.057) max 123 4 5 6 pin 1 dot by marking
important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing co., ltd. 800 yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd., shenzhen office unit a room 1203, skyworth bldg., gaoxin ave.1.s., nanshan district, shenzhen, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corp. 30920 huntwood ave. hayward, ca 94544, usa tel : +1-510-324-2988 fax: +1-510-324-2788 - headquarters bcd semiconductor manufacturing limited no. 1600, zi xing road, shanghai zizhu sc ience-based industrial park, 200241, china tel: +86-21-24162266, fax: +86-21-24162277 bcd semiconductor manufacturing limited important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing limited 800, yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 bcd semiconductor manufacturing limited main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd. shenzhen office advanced analog circuits (shanghai) corporation shenzhen office room e, 5f, noble center, no.1006, 3rd fuzhong road, futian district, shenzhen 518026, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corporation 30920 huntwood ave. hayward, ca 94544, u.s.a tel : +1-510-324-2988 fax: +1-510-324-2788 - ic design group advanced analog circuits (shanghai) corporation 8f, zone b, 900, yi shan road, shanghai 200233, china tel: +86-21-6495 9539, fax: +86-21-6485 9673 bcd semiconductor manufacturing limited http://www.bcdsemi.com bcd semiconductor manufacturing limited

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