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1a 3-terminal positive voltage regulator as78xx data sheet 1 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited figure 1. package types of as78xx to-220-3 general description the as78xx series are three terminal positive regula- tors designed for a wide variety of applications includ- ing local, on-card regulation. the as78xx are complete with internal current limit- ing, thermal shutdown protection, and safe-area com- pensation which make them virtually immune from output overload. if adequate heat sinking are provided, these regulators can deliver output currents up to 1a. the as78xx are available in to-220-3 and to-252-2 (1) packages. features output current up to 1a fixed output voltages of 5v, 8v, 9v, 12v and 15v output voltage accuracy of 4% over the full temperature range internal short circuit current limiting internal thermal ov erload protection output transistor safe-area protection applications high efficiency linear regulator post regulation for switching supply microprocessor power supply mother board to-252-2 (1) obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 2 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited pin configuration pin description pin number pin name function 1 input voltage input 2 gnd ground 3 output voltage output figure 2. pin configuration of as78xx (top view) t package (to-220-3) input output gnd 1 2 3 d package (to-252-2 (1) ) input output gnd 1 2 3 obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 3 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited functional block diagram figure 3. functional block diagram of as78xx r9 r7 r4 r3 r5 c1 r11 r19 r18 r14 r15 d1 zener r16 r17 r20 r23 r21 r2 2 output input r12 r2 r1 q23 q6 q3 q9 q14 q18 q21 q22 q24 q16 q2 q1 q4 q11 q7 q10 q8 q5 r8 r10 r6 r13 c2 q12 q15 q13 q17 q19 q20 gnd 3 2 1 obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 4 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited package temperature range part number marking id packing type to-220-3 -40 to 125 o c AS7805t-e1 AS7805t-e1 tube as7808t-e1 as7808t-e1 tube as7809t-e1 as7809t-e1 tube as7812t-e1 as7812t-e1 tube as7815t-e1 as7815t-e1 tube to-252-2 (1) -40 to 125 o c AS7805d-e1 AS7805d-e1 tube AS7805dtr-e1 AS7805d-e1 tape & reel as7808d-e1 as7808d-e1 tube as7808dtr-e1 as7808d-e1 tape & reel as7809d-e1 as7809d-e1 tube as7809dtr-e1 as7809d-e1 tape & reel as7812d-e1 as7812d-e1 tube as7812dtr-e1 as7812d-e1 tape & reel as7815d-e1 as7815d-e1 tube as7815dtr-e1 as7815d-e1 tape & reel ordering information circuit type package as78xx t: to-220-3 - bcd semiconductor's pb-free products, as designated with "e1" suffix in th e part number, are rohs compliant. e1: lead free output voltage 05: 5v d: to-252-2 (1) tr: tape and reel blank: tube 12: 12v 15: 15v 08: 8v 09: 9v obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 5 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited recommended operating conditions parameter symbol min max unit input voltage AS7805 v in 25 v as7808 25 as7809 25 as7812 30 as7815 30 operating junction temperature range t j -40 125 o c absolute maximum ratings (note 1) parameter symbol value unit input voltage v in 36 v lead temperature (soldering, 10sec) t lead 260 o c power dissipation p d internally limited w operating junction temperature t j 150 o c storage temperature range t stg -65 to 150 o c thermal resistance ja to-220-3 60 o c/w to-252-2 (1) 100 esd (human body model) esd 3000 v esd (machine model) esd 400 v note 1: stresses greater than those listed under "absolute maximum ratings" may cause permanent damage to the device. these are stress ratings only, and functional ope ration of the device at thes e or any other conditions beyond those indicated under "recommended operating conditions" is not implied. exposure to "absolute max- imum ratings" for extended periods may affect device reliability. obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 6 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited parameter symbol conditions min typ max unit output voltage v out t j =25 o c 4.9 5 5.1 v i out =5ma to 1a, v in =7.5v to 20v, p d 15w 4.8 5.2 line regulation v rline v in =7.5v to 20v, i out =1a, t j =25 o c 750mv load regulation v rload v in =10v, i out =5ma to 1a, t j =25 o c 25 100 mv quiescent current i q v in =10v, i out =0 3.2 6 ma quiescent current change ? i q v in =8v to 25v, i out =500ma, t j =25 o c 0.3 0.8 ma i out =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection psrr v in =8v to 18v, f=120hz, i out =500ma 73 db dropout voltage v drop ? v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 10 m? short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =10v, t j =25 o c 2.2 a output voltage temperature coefficient ? v out / ? t 0.4 mv/ o c (? v out /v out )/ ? t 80 ppm/ o c electrical characteristics AS7805 (v in =10v, i out =1a, t j =-40 to 125 o c, unless otherwise specified. ) parameter symbol conditions min typ max unit output voltage v out t j =25 o c 7.84 8 8.16 v i out =5ma to 1a, v in =10.6v to 23v, p d 15w 7.7 8.3 line regulation v rline v in =10.6v to 23v, i out =1a, t j =25 o c 12 80 mv load regulation v rload v in =14v, i out =5ma to 1a, t j =25 o c 25 100 mv quiescent current i q v in =14v, i out =0 3.2 6 ma quiescent current change ? i q v in =8v to 25v, i out =500ma, t j =25 o c 0.08 0.4 ma i out =5ma to 1a, t j =25 o c 0.1 0.5 ripple rejection psrr v in =11.5v to 21.5v, f=120hz, i out =500ma 62 db dropout voltage v drop ? v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 10 m ? short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =14v, t j =25 o c 2.2 a output voltage temperature coefficient ? v out / ? t 0.64 mv/ o c (? v out /v out )/ ? t 80 ppm/ o c as7808 (v in =14v, i out =1a, t j =-40 to 125 o c, unless otherwise specified. ) obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 7 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited parameter symbol conditions min typ max unit output voltage v out t j =25 o c 11.75 12 12.25 v i out =5ma to 1a, v in =14.8v to 27v, p d 15w 11.5 12.5 line regulation v rline v in =14.8v to 27v, i out =1a, t j =25 o c 16 120 mv load regulation v rload v in =19v, i out =5ma to 1a, t j =25 o c 25 100 mv quiescent current i q v in =19v, i out =0 3.4 6 ma quiescent current change ? i q v in =15v to 30v, i out =500ma, t j =25 o c 0.3 0.8 ma i out =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection psrr v in =15v to 25v, f=120hz, i out =500ma 60 db dropout voltage v drop ? v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 11 m ? short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =19v, t j =25 o c 2.2 a output voltage temperature coefficient ? v out / ? t 0.96 mv/ o c (? v out /v out )/ ? t 80 ppm/ o c as7812 (v in =19v, i out =1a, t j =-40 to 125 o c, unless otherwise specified. ) parameter symbol conditions min typ max unit output voltage v out t j =25 o c 8.82 9 9.18 v i out =5ma to 1a, v in =11.5v to 23v, p d 15w 8.65 9.35 line regulation v rline v in =11.5v to 23v, i out =1a, t j =25 o c 12 90 mv load regulation v rload v in =15v, i out =5ma to 1a, t j =25 o c 25 100 mv quiescent current i q v in =15v, i out =0 3.2 6 ma quiescent current change ? i q v in =11.5v to 23v, i out =500ma, t j =25 o c 0.08 0.4 ma i out =5ma to 1a, t j =25 o c 0.1 0.5 ripple rejection psrr v in =11.5v to 21.5v, f=120hz, i out =500ma 61 db dropout voltage v drop ? v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 10 m? short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =15v, t j =25 o c 2.2 a output voltage temperature coefficient ? v out / ? t 0.72 mv/ o c (? v out /v out )/ ? t 80 ppm/ o c as7809 (v in =15v, i out =1a, t j =-40 to 125 o c, unless otherwise specified. ) electrical characteristics (continued) obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 8 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited parameter symbol conditions min typ max unit output voltage v out t j =25 o c 14.7 15 15.3 v i out =5ma to 1a, v in =17.9 to 30v, p d 15w 14.4 15.6 line regulation v rline v in =17.9v to 30v, i out =1a, t j =25 o c 18 150 mv load regulation v rload v in =23v, i out =5ma to 1a, t j =25 o c 25 100 mv quiescent current i q v in =23v, i out =0 3.4 6 ma quiescent current change ? i q v in =17.5v to 30v, i out =500ma, t j =25 o c 0.3 0.8 ma i out =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection psrr v in =18.5v to 28.5v, f=120hz, i out =500ma 58 db dropout voltage v drop ? v out =1%, i out =1a, t j =25 o c 2v output noise voltage n o f=10hz to 100khz, t a =25 o c 10 v/v o output resistance r o f=1khz 12 m ? short circuit current i sc v in =35v, t a =25 o c 0.2 a peak output current i pk v in =23v, t j =25 o c 2.2 a output voltage temperature coefficient ? v out / ? t 1.2 mv/ o c (? v out /v out )/ ? t 80 ppm/ o c electrical characteristics (continued) as7815 (v in =23v, i out =1a, t j =-40 to 125 o c, unless otherwise specified. ) obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 9 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited typical performance characteristics figure 4. peak output current vs. input/output differential voltage figure 5. output voltage vs. junction temperature figure 6. quiescent current vs. junction temperature figure 7. ripple rejection vs. frequency 3 6 9 1215182124 0.0 0.5 1.0 1.5 2.0 2.5 peak output current (a) v in -v out (v) AS7805 t c = -40 o c t c = 25 o c t c = 125 o c -40 -20 0 20 40 60 80 100 120 4.850 4.875 4.900 4.925 4.950 4.975 5.000 5.025 5.050 AS7805 v in =10v i out =10ma output voltage (v) junction temperature ( o c) -40-20 0 20406080100120 0 1 2 3 4 5 6 quiescent current (ma) junction temperature ( o c) i out =0 AS7805 v in =10v as7812 v in =19v as7815 v in =23v 10 100 1k 10k 100k 1m 0 20 40 60 80 100 ripple rejection (db) frequency (hz) AS7805 obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 10 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited typical performance ch aracteristics (continued) figure 8. dropout voltage vs. junction temperature -40-20 0 20406080100120 0.0 0.5 1.0 1.5 2.0 2.5 dropout voltage (v) junction temperature ( o c) i out =100ma i out =500ma i out =1a figure 9. power dissipation vs. case temperature -40-20 0 20406080100120 0 5 10 15 20 25 30 power dissipation (w) case temperature ( o c) AS7805 package: to-220-3 heatsink size: 45*43 mm 2 figure 10. power dissipatio n vs. case temperature -40-20 0 20406080100120 0 5 10 15 20 25 30 power dissipation (w) case temperature ( o c) AS7805 package: to-252-2 (1) heatsink size: 45*43 mm 2 0 20 40 60 80 100 120 140 160 180 0 1 2 3 4 5 6 AS7805 v in =10v, i out =5ma c in = 0.33 f, c out =0.1 f output voltage (v) junction temperature ( o c) figure 11. thermal shutdown protection obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 11 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited typical performance ch aracteristics (continued) i out (1a/div) 100 0 ? v out (100mv/div) 0 1 figure 13. load transient time (40 s/div) (conditions: v in =10v, c in =0.33 f, c out =0.1 f) AS7805 0.005a 2 -1 -100 -200 ? v out (50mv/div) 0 -50 figure 12. line transient v in (5v/div) time (100 s/div) (conditions: i out =500ma, c out =0.1 f) AS7805 10 15 -100 -150 20 25 obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 12 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited typical application figure 14. typical application of as78xx 0.1 f 0.33 f as78xx gnd input output v in v out obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 13 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited mechanical dimensions to-220-3 unit: mm(inch) 9 3.560(0.140) 1 4 . 2 3 0 ( 0 . 5 6 0 ) 1.160(0.046) 0.813(0.032) 8 . 7 6 3 ( 0 . 3 4 5 ) 2.540(0.100) 0.356(0.014) 2.080(0.082) 3 7 3.560(0.140) 7 9.660(0.380) 0.550(0.022) 60 0.381(0.015) 2 . 5 8 0 ( 0 . 1 0 2 ) 6 0 8 . 5 2 0 ( 0 . 3 3 5 ) 9 1.500(0.059) 0.200(0.008) 1 . 8 5 0 ( 0 . 0 7 3 ) 2.540(0.100) 0.381(0.015) 0.406(0.016) 3 . 3 8 0 ( 0 . 1 3 3 ) 10.660(0.420) 4.060(0.160) 1.350(0.053) 2 7 . 8 8 0 ( 1 . 0 9 8 ) 3 0 . 2 8 0 ( 1 . 1 9 2 ) 9 . 5 2 0 ( 0 . 3 7 5 ) 1 6 . 5 1 0 ( 0 . 6 5 0 ) 4.820(0.190) 2.880(0.113) 1.760(0.069) obsolete - part discontinued
1a 3-terminal positive voltage regulator as78xx data sheet 14 mar. 2007 rev. 1. 4 bcd semiconductor manufacturing limited mechanical dimens ions (continued) to-252-2 (1) unit: mm(inch) 1.350(0.053) 1.650(0.065) 0.600(0.024) 0.900(0.035) 4.500(0.177) 4.700(0.165) 3 4 3.800ref(0.150ref) 4.800(0.189) 6.500(0.256) 4.300(0.169) 5.400(0.212) 1.400(0.055) 1.780(0.070) 0.000(0.000) 0.127(0.005) 0.430(0.017) 0.580(0.023) 2.300typ 9.500(0.374) 9.900(0.390) 0.700(0.028) 0.900(0.035) 0.500(0.020) 0.700(0.028) 5.200(0.205) 5.400(0.213) 6.350(0.250) 6.650(0.262) 2.550(0.100) 2.900(0.114) 5.400(0.213) 5.700(0.224) 2.200(0.087) 2.400(0.094) 5 5 8 0.430(0.017) 0.580(0.023) obsolete - part discontinued
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 obsolete - part discontinued

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