uni soni c technologi es co., ltd 79DXXA linear integrated circuit www.unisonic.com.tw 1 of 9 copyright ? 2017 unisonic technologies co., ltd qw-r101.039.f 3 t erm i n al 1 a n egat i v e v olt age regu lat or ? descri pt i on the utc 79DXXA series of three-terminal negative regulators is available several fixed output voltage, making them useful in a wide range of application. each type employs internal current limiting, thermal shut-down, maki ng it essentially indestructible. ? feat u res * output current up to 1a * -5v, -6v, -7v, -8v, -9v,-12v, -15v, -18v, -24v output voltage available * thermal overload protection ? n orderi n g i n form at i o ordering number pin assignment lead free halogen free package 1 2 3 packing 79DXXAl-tm3-t 79DXXAg-tm3-t to-251 g i o tube 79DXXAl-tn3-t 79DXXAg-tn3-t to-252 g i o tube 79DXXAl-tn3-r 79DXXAg-tn3-r to-252 g i o tape reel note: pin assignment: g: gnd i: input o: output
79DXXA linear integrated circuit u n i son i c t ech n ologi es co., lt d 2 of 9 www.unisonic.com.tw qw-r101-039.f ? m ark i n g i n form at i on package voltage code marking to-251 to-252 05:-5v 06:-6v 07:-7v 08:-8v 09:-9v 12:-12v 15:-15v 18:-18v 24:-24v ? block di agram voltage reference protection circuitry gnd output input rsc r 2 r 1
79DXXA linear integrated circuit u n i son i c t ech n ologi es co., lt d 3 of 9 www.unisonic.com.tw qw-r101-039.f ? absolu t e m ax i m u m rat i n gs (t a =25 ? c) parameter symbol rating unit input voltage v in -35 v output current i out 1 a power dissipation p d 0.89 w operating temperature t opr 0 ~ +125 ? c storage temperature t stg -65 ~ +150 ? c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device operation is not implied. ? t h erm al dat a parameter symbol rating unit junction to ambient ja 112 ? c/w junction to case jc 12.5 ? c/w ? elect ri cal ch aract eri st i cs (i out =0.5a, t j =0 ? c~125 ? c, c i =2.2uf, c o =1uf, unless otherwise specified) for utc 79d05a (v in =-10v) parameter symbol test conditions min typ max unit t j =25 ? c -4.80 -5.0 -5.20 v output voltage v out v in =-7v~-20v, i out =5ma~1a -4.75 -5.25 v dropout voltage v d i out =1a t j =25 ? c 2 v v in =-7v~-25v t j =25 ? c 10 100 mv line regulation ? v out v in =-8v~-12v t j =25 ? c 5 60 mv i out =5ma~1a t j =25 ? c 10 100 mv load regulation ? v out i out =250ma~750ma t j =25 ? c 3 50 mv quiescent current i q t j =25 ? c 3 6 ma i out =5ma~1a 0.05 0.5 ma quiescent current change ? i q v in =-7v~-25v 0.1 1.3 ma output noise voltage en f=10hz~100khz t a =25 ? c 100 v output voltage drift ? v out / ? ti out =5ma -0.4 mv/ ? c ripple rejection rr v in =-8v~-18v, f=120hz 54 60 db peak current i peak t j =25 ? c 2.2 a for utc 79d06a (v in =-11v) parameter symbol test conditions min typ max unit t j =25 ? c -5.76 -6.00 -6.24 v output voltage v out v in =-8v~-21v, i out =5ma~1a -5.70 -6.30 v dropout voltage v d i out =1.0a t j =25 ? c 2 v v in =-8v~-25v t j =25 ? c 10 120 mv line regulation ? v out v in =-9v~-13v t j =25 ? c 5 60 mv i out =5ma~1a t j =25 ? c 10 120 mv load regulation ? v out i out =250ma~750ma t j =25 ? c 3 60 mv quiescent current i q t j =25 ? c 3 6 ma i out =5ma~1a 0.05 0.5 ma quiescent current change ? i q v in =-8v~-25v 0.1 1.3 ma output noise voltage en f=10hz~100khz t a =25 ? c 130 v output voltage drift ? v out / ? ti out =5ma -0.5 mv/ ? c ripple rejection rr v in =-9v~-19v, f=120hz 54 60 db peak current i peak t j =25 ? c 2.2 a
79DXXA linear integrated circuit u n i son i c t ech n ologi es co., lt d 4 of 9 www.unisonic.com.tw qw-r101-039.f ? elect ri cal ch aract eri st i cs(cont .) for utc 79d07a (v in =-13v) parameter symbol test conditions min typ max unit t j =25 ? c -6.72 -7.0 -7.28 v output voltage v out v in =-10.5v~-23v, i out =5ma~1a -6.65 -7.35 v dropout voltage v d i out =1a t j =25 ? c 2 v v in =-10.5v~-25v t j =25 ? c 10 140 mv line regulation ? v out v in =-11.5v~-17v t j =25 ? c 5 70 mv i out =5ma~1a t j =25 ? c 12 mv load regulation ? v out i out =250ma~750ma t j =25 ? c 4 m v quiescent current i q t j =25 ? c 3 6 ma i out =5ma~1a 0.05 0.5 ma quiescent current change ? i q v in =-11.5v~-25v 0.1 1.3 ma output noise voltage en f=10hz~100khz t a =25 ? c 175 v output voltage drift ? v out / ? ti out =5ma -0.6 mv/ ? c ripple rejection rr v in =-11.5v~-21.5v, f=120hz 54 60 db peak current i peak t j =25 ? c 2.2 a for utc 79d08a (v in =-14v) parameter symbol test conditions min typ max unit t j =25 ? c -7.68 -8.0 -8.32 v output voltage v out v in =-10.5v~-23v, i out =5ma~1a -7.60 -8.40 v dropout voltage v d i out =1a t j =25 ? c 2 v v in =-10.5v~-25v t j =25 ? c 10 160 mv line regulation ? v out v in =-11.5v~-17v t j =25 ? c 5 80 mv i out =5ma~1a t j =25 ? c 12 160 mv load regulation ? v out i out =250ma~750ma t j =25 ? c 4 80 mv quiescent current i q t j =25 ? c 3 6 ma i out =5ma~1a 0.05 0.5 ma quiescent current change ? i q v in =-11.5v~-25v 0.1 1.0 ma output noise voltage en f=10hz~100khz t a =25 ? c 175 v output voltage drift ? v out / ? ti out =5ma -0.6 mv/ ? c ripple rejection rr v in =-11.5v~-21.5v, f=120hz 54 60 db peak current i peak t j =25 ? c 2.2 a for utc 79d09a (v in =-15v) parameter symbol test conditions min typ max unit t j =25 ? c -8.64 -9.0 -9.36 v output voltage v out v in =-11.5v~-23v, i out =5ma~1a -8.55 -9.45 v dropout voltage v d i out =1a t j =25 ? c 2 v v in =-11.5v~-26v t j =25 ? c 10 180 mv line regulation ? v out v in =-12v~-18v t j =25 ? c 5 90 mv i out =5ma~1a t j =25 ? c 12 180 mv load regulation ? v out i out =250ma~750ma t j =25 ? c 4 90 mv quiescent current i q t j =25 ? c 3 6 ma i out =5ma~1a 0.05 0.5 ma quiescent current change ? i q v in =-11.5v~-26v 0.1 1.0 ma output noise voltage en f=10hz~100khz t a =25 ? c 175 v output voltage drift ? v out / ? ti out =5ma -0.6 mv/ ? c ripple rejection rr v in =-12.5v~-22.5v, f=120hz 54 60 db peak current i peak t j =25 ? c 2.2 a
79DXXA linear integrated circuit u n i son i c t ech n ologi es co., lt d 5 of 9 www.unisonic.com.tw qw-r101-039.f ? elect ri cal ch aract eri st i cs(cont .) for utc 79d12a (v in =-18v) parameter symbol test conditions min typ max unit t j =25 ? c -11.52 -12.0 -12.48 v output voltage v out v in =-14.5v~-27v, i out =5ma~1a -11.40 -12.60 v dropout voltage v d i out =1a t j =25 ? c 2 v v in =-14.5v~-30v t j =25 ? c 12 240 mv line regulation ? v out v in =-16v~-22v t j =25 ? c 6 120 mv i out =5ma~1a t j =25 ? c 12 240 mv load regulation ? v out i out =250ma~750ma t j =25 ? c 4 120 mv quiescent current i q t j =25 ? c 3 6 ma i out =5ma~1a 0.05 0.5 ma quiescent current change ? i q v in =-14.5v~-30v 0.1 1.0 ma output noise voltage en f=10hz~100khz t a =25 ? c 200 v output voltage drift ? v out / ? t i out =5ma -0.8 mv/ ? c ripple rejection rr v in =-15v~-25v, f=120hz 54 60 db peak current i peak t j =25 ? c 2.2 a for utc 79d15a (v in =-23v) parameter symbol test conditions min typ max unit t j =25 ? c -14.40 -15.0 -15.60 v output voltage v out v in =-17.5v~-30v, i out =5ma~1a -14.25 -15.75 v dropout voltage v d i out =1a t j =25 ? c 2 v v in =-17.5v~-30v t j =25 ? c 12 300 mv line regulation ? v out v in =-20v~-26v t j =25 ? c 6 150 mv i out =5ma~1a t j =25 ? c 12 300 mv load regulation ? v out i out =250ma~750ma t j =25 ? c 4 150 mv quiescent current i q t j =25 ? c 3 6 ma i out =5ma~1a 0.05 0.5 ma quiescent current change ? i q v in =-17.5v~-30.5v 0.1 1.0 ma output noise voltage en f=10hz~100khz t a =25 ? c 250 v output voltage drift ? v out / ? t i out =5ma -0.9 mv/ ? c ripple rejection rr v in =-18.5v~-28.5v, f=120hz 54 60 db peak current i peak t j =25 ? c 2.2 a
79DXXA linear integrated circuit u n i son i c t ech n ologi es co., lt d 6 of 9 www.unisonic.com.tw qw-r101-039.f ? elect ri cal ch aract eri st i cs(cont .) for utc 79d18a (v in =-27v) parameter symbol test conditions min typ max unit t j =25 ? c -17.28 -18.0 -18.72 v output voltage v out v in =-21v~-33v, i out =5ma~1a -17.10 -18.90 v dropout voltage v d i out =1a t j =25 ? c 2 v v in =-21v~-33v t j =25 ? c 15 360 mv line regulation ? v out v in =-24v~-30v t j =25 ? c 8 180 mv i out =5ma~1a t j =25 ? c 15 360 mv load regulation ? v out i out =250ma~750ma t j =25 ? c 5.0 180 mv quiescent current i q t j =25 ? c 3 6 ma i out =5ma~1a 0.05 0.5 ma quiescent current change ? i q v in =-21v~-32v 0.1 1.0 ma output noise voltage en f=10hz~100khz t a =25 ? c 300 ? v output voltage drift ? v out / ? t i out =5ma -1 mv/ ? c ripple rejection rr v in =-22v~-32v, f=120hz 54 60 db peak current i peak t j =25 ? c 2.2 a for utc 79d24a (v in =-33v) parameter symbol test conditions min typ max unit t j =25 ? c -23.04 -24 -24.96 v output voltage v out v in =-27v~-38v, i out =5ma~1a -22.80 -25.20 v dropout voltage v d i out =1.0a t j =25 ? c 2 v v in =-27v~-38v t j =25 ? c 15 480 mv line regulation ? v out v in =-30v~-36v t j =25 ? c 8 240 mv i out =5ma~1a t j =25 ? c 15 480 mv load regulation ? v out i out =250ma~750ma t j =25 ? c 5.0 240 mv quiescent current i q t j =25 ? c 3 6 ma i out =5ma~1a 0.05 0.5 ma quiescent current change ? i q v in =-27v~-38v 0.1 1.0 ma output noise voltage en f=10hz~100khz t a =25 ? c 400 ? v output voltage drift ? v out / ? ti out =5ma -1 mv/ ? c ripple rejection rr v in =-28v~-38v, f=120hz 54 60 db peak current i peak t j =25 ? c 2.2 a note: 1. thermal resistance test board.
79DXXA linear integrated circuit u n i son i c t ech n ologi es co., lt d 7 of 9 www.unisonic.com.tw qw-r101-039.f appli cat i on ci rcu i t s utc 79DXXA 3 1 2 c o 1 f c i 2.2 f -v in -v out fig.1 fixed output regulator utc 79DXXA 1 23 c i 2.2 f c 3 2.5 f c o 1 f -v out -v in r 1 r 2 fig.2 circuit for incr easing output voltage
79DXXA linear integrated circuit u n i son i c t ech n ologi es co., lt d 8 of 9 www.unisonic.com.tw qw-r101-039.f ? t y pi cal ch aract eri st i cs time (2ms/div) 01 02 0 time (4ms/div) 0 0 dynamic loading test ch1: 1v/div ch2: 10mvdiv ch3: 1a/div dynamic loading test 20 40 ch1 ch2 ch1 ch2 v in =v o +5v, io=0ma~1a, c in =10uf, c out =10uf, ch1=v in , ch2=v out, ch3=i o 00 ch3 ch3 v in =v o +5v, io=0ma~1a, c in =10uf, c out =10uf, ch1=v in , ch2=v out, ch3=i o 0 ch1: 1v/div ch2: 10mvdiv ch3: 1a/div 00 time (10ms/div) 0 50 100 power supply rejection ch1: 500mv/div ch2: 10mvdiv ch1 ch2 00 v in =v o +5v, vip(rms)= 0.5v, i o =10ma, c in =10uf, c o =10uf, f=120hz, ch1=v in, ch2=v out time (10ms/div) 05 01 0 0 power supply rejection ch1: 500mv/div ch2: 10mvdiv ch1 ch2 00 v in =v o +5v, vip(rms)= 0.5v, i o =10ma, c in =10uf, c o =10uf, f=120hz, ch1=v in, ch2=v out v out vs. temperature v out (v) temperature ( ) -12.15 50 30 -12.1 -12.05 -12 -11.95 -11.9 -11.85 -11.8 70 90 110 130 150 v in =-14.5v, i out =-5ma v out vs. temperature v out (v) temperature ( ) -15.3 40 20 -15.2 -15.1 -15 -14.9 -14.8 -14.7 60 80 100 120 160 140 v in =-20v, i out =10ma
79DXXA linear integrated circuit u n i son i c t ech n ologi es co., lt d 9 of 9 www.unisonic.com.tw qw-r101-039.f ? t y pi cal ch aract eri st i cs v out (-10v/0ma) vs. temperature temperature ( ) 80 100 25 -5.06 30 40 60 120 140 160 -5.05 -5.04 -5.03 -5.02 -5.01 -5 -4.99 utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. utc reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof.
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