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3-terminal adjustable regulator az317l data sheet 1 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited general description the az317l is an adjustable 3-terminal positive volt- age regulator capable of supplying 100ma over a 1.2v to 12v output range. this voltage regulator is excep- tionally easy to use and requires only two external resistors to set the output voltage. both line and load regulation are better than standard fixed regulators. in addition to higher performance than fixed regula- tors, az317l employs overload protection. included on the chip are current lim iting and thermal overload protection. all overload protection circuitry remains fully functional even when the adjustment terminal is disconnected. the az317l is available in standard to-92 and soic- 8 packages. features adjustable output down to 1.2v guaranteed 100ma output current output short circuit protected line regulation: 0.01%/v load regulation: 0.1% constant current limit over temperature standard 3-lead transistor package input ripple rejection: 70db applications high efficiency linear regulators post regulation for switching supplies microprocessor power supply mother board i/o power supply figure 1. package types of az317l to-92 soic-8
3-terminal adjustable regulator az317l data sheet 2 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited pin configuration z package (to-92) functional block diagram figure 3. functional block diagram of az317l 8 nc 7 v out 6 v out 1 3 4 m package (soic-8) 5 nc v in v out v out adj 2 v out adj v in v in v out adj 1 2 3 figure 2. pin configuration of az317l (top view)
3-terminal adjustable regulator az317l data sheet 3 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited package tempe rat ure range part number marking id packing type tin lead lead free tin lead lead free to-92 0 to 125 o c az317lz az317lz-e1 az317lz az317lz-e1 tube az317lztr az317lztr-e1 az317lz az317lz-e1 tape & reel soic-8 0 to 125 o c az317lm az317lm-e1 317lm 317lm-e1 tube az317lmtr AZ317LMTR-E1 317lm 317lm-e1 tape & reel circuit type package e1: lead free blank: tin lead az317l - tr: tape and reel blank: tube bcd semiconductor's pb-free products, as designated with "e1" suffix in th e part number, are rohs compliant. z: to-92 m: soic-8 ordering information
3-terminal adjustable regulator az317l data sheet 4 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited recommended operating conditions parameter symbol value unit input voltage v in 20 v input-output voltage differential 15 v operating junction temperature t j 150 o c storage temperature range t stg -65 to 150 o c power dissipation p d 700 mw lead temperature (soldering, 4sec.) t lead 260 o c esd (human body model) esd 2000 v esd (machine model) esd 200 v parameter symbol min max unit input voltage v in 18 v operating junction temperature t j 0 125 o c note 1: stresses greater than thos e listed under "absolute maximum ra tings" may cause permanent damage to the device. these are stress ratings on ly, and functional operation of the device at these 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. absolute maximum ratings (note 1)
3-terminal adjustable regulator az317l data sheet 5 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited electrical characteristics 0 o c t j 125 o c, v in -v out = 5v, i out = 40ma, p d 625 mw, unless otherwise specified. parameter symbol conditions min typ max unit line regulation ? v out t j = 25 o c, 3v (v in -v out ) 15v i out 20ma (note 2) 0.01 0.04 %/v 3v (v in -v out ) 15v, i out 20ma (note 2) 0.02 0.07 %/v load regulation ? v out t j = 25 o c, 5ma i out 100ma (note 2) 0.1 0.5 % 5ma i out 100ma (note 2) 0.3 1.5 % thermal regulation t j = 25 o c, 10ms pulse 0.04 0.2 %/w adjust pin current i adj 50 100 a adjust pin current change ? i adj 5ma i out 100ma 3v (v in -v out ) 15v 0.2 5 a reference voltage v ref 3v (v in -v out ) 15v 5ma i out 100ma 1.20 1.25 1.30 v current limit i limit 3v (v in -v out ) 13v 100 200 300 ma minimum load current i load (min) 3v (v in -v out ) 13v 3.5 5 ma ripple rejection psrr v out = 10v, f = 120hz, c adj = 0 f 62 db v out = 10v, f = 120hz, c adj = 10 f 60 70 temperature stability 0 o c j 125 o c 0.65 % long term stability t j =125 o c, 1000 hours 0.3 1 % rms output noise (% of v out) t j = 25 o c, 10hz f 10? z 0.003 % thermal resistance junction to case to-92 soic-8 185 175 o c/w note 2: regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. changes in output voltage due to heating effects ar e covered under the specification of thermal regulation.
3-terminal adjustable regulator az317l data sheet 6 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited typical performance characteristics figure 4. load regulation vs. temperature figure 5. output vo ltage vs. input voltage figure 6. reference voltage vs. temperature figure 7. adjust pin current vs. temperature 8 101214161820 5.215 5.220 5.225 5.230 5.235 5.240 5.245 output voltage (v) input voltage (v) az317l i out =10ma -25 0 25 50 75 100 125 -0.06 -0.04 -0.02 0.00 0.02 0.04 0.06 -45 i out =100ma i out =10ma output voltage deviation (v) temperature ( o c) az317l v in =10.25v v out =5.25v -25 0 25 50 75 100 125 1.230 1.235 1.240 1.245 1.250 1.255 1.260 1.265 -45 i out =10ma i out =100ma reference voltage (v) temperature ( o c) az317l v in =10.25v v out =5.25v -25 0 25 50 75 100 125 42 44 46 48 50 52 54 -45 i out =100ma i out =10ma adjust pin current ( a) temperature ( o c) az317l v in =10.25v v out =5.25v
3-terminal adjustable regulator az317l data sheet 7 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited figure 8. dropout voltage vs. temperature figure 9. minimum operating current figure 10. ripple rejection vs. output voltage typical performance char acteristics (continued) figure 11. ripple rejection vs. frequency 100 1000 10000 100000 0 10 20 30 40 50 60 70 80 c adj =0 f c adj =10 f ripple rejection (db) frequency (hz) az317l v in =10.25v v out =5.25v i out =40ma t a =25 o c 2 4 6 8 10121416 0 10 20 30 40 50 60 70 80 c adj =0 f c adj =10 f ripple rejection (db) output voltage (v) az317l v in -v out =5v i out =40ma f=120hz t a =25 o c -25 0 25 50 75 100 125 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 -45 i out =100ma i out =10ma input-output differential (v) temperature ( o c) az317l v out =5.25v 246810121416 0 1 2 3 4 5 6 quiescent current (ma) input-output differential (v) az317l v out =5.25v t a =25 o c
3-terminal adjustable regulator az317l data sheet 8 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited typical performance char acteristics (continued) figure 12. load transient response figure 13. line transient response i out (50ma/div) (conditions: v in =10.25v, v out =5.25v, c in =0.1 f, c out =1 f, t a =25 o c) time (200 s/div) -50 0 50 -200 0 200 400 -100 ? v out (200mv/div) 100 (conditions: v in =10.25 to 11.25v, i out =40ma, v out =5.25v, ? v out (50mv/div) -0.5 0 0.5 -50 0 50 100 -1 1 time (200 s/div) ? v in (0.5v/div) c in =0.1 f, c out =1 f, t a =25 o c)
3-terminal adjustable regulator az317l data sheet 9 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited figure 14. 5v logic regulator with electronic figure 15. adjustable regulator with improved ripple rejection shutdown (minimum output = 1.2v) note 5: discharge c1 if output is shorted to ground. r2 720 v in v out adj c1 0.1 f r1 240 c2 0.1 f 1k q1 2n2219 az317l 5v v in ttl 7v ~ 18v v out r3 r2 5k v in v out adj c2 0.1 f r1 240 c3 1 f solid tantalum az317l v in c1 10 f d1 1n4002 v out typical application figure 16. slow turn-on 15v regulator v in v out adj az317l v in v out 1n4002 r1 240 15v 2n2905 r1 2.7k c2 0.1 f r3 50k c1 25 f
3-terminal adjustable regulator az317l data sheet 10 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited mechanical dimensions to-92 unit: mm(inch) 2.440(0.096) 2.640(0.104) 0.380(0.015) 0.550(0.022) ! 1.600(0.063) max 14.100(0.555) 14.500(0.571) 1.270(0.050) typ 3.300(0.130) 3.700(0.146) 4.300(0.169) 4.700(0.185) 1.100(0.043) 1.400(0.055) 4.400(0.173) 4.700(0.185) 3.430(0.135) min 0.360(0.014) 0.510(0.020) 0.000(0.000) 0.380(0.015)
3-terminal adjustable regulator az317l data sheet 11 sep. 2006 rev. 1. 2 bcd semiconductor manufacturing limited mechanical dimens ions (continued) soic-8 unit: mm(inch) 0 8 1 5 r 0 . 1 5 0 ( 0 . 0 0 6 ) r0.150(0.006) 1.000(0.039) 0.330(0.013) 0.510(0.020) 4.700(0.185) 1.350(0.053) 1.750(0.069) 0.100(0.004) 0.300(0.012) 0.900(0.035) 0.800(0.031) 0.200(0.008) 3.800(0.150) 4.000(0.157) 7 7 2 0 : 1 d 1.270(0.050) typ 0.190(0.007) 0.250(0.010) 8 d 5.800(0.228) 6.200(0.244) 0.675(0.027) 0.725(0.029) 0.320(0.013) 8 5.100(0.201) 9
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 3170 de la cruz blvd., suite 105, santa clara, ca 95054-2411, u.s.a - 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

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