unisonic technologies co., ltd 79dxxa linear integrated circuit www.unisonic.com.tw 1 of 9 copyright ? 2013 unisonic technologies co., ltd qw-r101.039.d 3 terminal 1a negative voltage regulator ? description 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. ? features * output current up to 1a * -5v, -6v, -8v, -9v,-12v, - 15v, -18v, -24v output voltage available * thermal overload protection ? nordering informatio ordering number package pin assignment packing lead free halogen free 1 2 3 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: g nd i: input o: output
79dxxa linear integrated circuit unisonic technologies co., ltd 2 of 9 www.unisonic.com.tw qw-r101-039.d ? marking information package voltage code marking to-251 to-252 05: - 5v 06:-6v 08:-8v 09:-9v 12:-12v 15:-15v 18:-18v 24:-24v ? block diagram voltage reference protection circuitry gnd output input rsc r 2 r 1
79dxxa linear integrated circuit unisonic technologies co., ltd 3 of 9 www.unisonic.com.tw qw-r101-039.d ? absolute maximum ratings (t a =25 ? c) parameter symbol rating unit input voltage v in -35 v output current i out 1 a power dissipation p d internally limited 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. ? thermal data parameter symbol rating unit junction to ambient ja 112 ? c/w junction to case jc 12.5 ? c/w ? electrical characteristics (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 output voltage v out t j =25 ? c -4.80 -5.0 -5.20 v v in =-7v~-20v i out =5ma~1a, p d Q 15w -4.75 -5.25 v dropout voltage v d i out =1a t j =25 ? c 2 v line regulation ? v out v in =-7v~-25v t j =25 ? c 10 100 mv v in =-8v~-12v t j =25 ? c 5 60 mv load regulation ? v out i out =5ma~1a t j =25 ? c 10 100 mv i out =250ma~750ma t j =25 ? c 3 50 mv quiescent current i q t j =25 ? c 3 6 ma quiescent current change ? i q i out =5ma~1a 0.05 0.5 ma 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 output voltage v out t j =25 ? c -5.76 -6.00 -6.24 v v in =-8v~-21v, i out =5ma~1a, p d Q 15w -5.70 -6.30 v dropout voltage v d i out =1.0a t j =25 ? c 2 v line regulation ? v out v in =-8v~-25v t j =25 ? c 10 120 mv v in =-9v~-13v t j =25 ? c 5 60 mv load regulation ? v out i out =5ma~1a t j =25 ? c 10 120 mv i out =250ma~750ma t j =25 ? c 3 60 mv quiescent current i q t j =25 ? c 3 6 ma quiescent current change ? i q i out =5ma~1a 0.05 0.5 ma v in =-8v~-25v 0.1 1.3 ma output noise voltage en f=10hz~100khz t a =25 ? c 130 ? v
79dxxa linear integrated circuit unisonic technologies co., ltd 4 of 9 www.unisonic.com.tw qw-r101-039.d ? electrical characteristics(cont.) parameter symbol test conditions min typ max unit 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 for utc 79d08a (v in =-14v) parameter symbol test conditions min typ max unit output voltage v out t j =25 ? c -7.68 -8.0 -8.32 v v in =-10.5v~-23v, i out =5ma~1a, p d Q 15w -7.60 -8.40 v dropout voltage v d i out =1a t j =25 ? c 2 v line regulation ? v out v in =-10.5v~-25v t j =25 ? c 10 160 mv v in =-11.5v~-17v t j =25 ? c 5 80 mv load regulation ? v out i out =5ma~1a t j =25 ? c 12 160 mv i out =250ma~750ma t j =25 ? c 4 80 mv quiescent current i q t j =25 ? c 3 6 ma quiescent current change ? i q i out =5ma~1a 0.05 0.5 ma 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 output voltage v out t j =25 ? c -8.64 -9.0 -9.36 v v in =-11.5v~-23v, i out =5ma~1a, p d Q 15w -8.55 -9.45 v dropout voltage v d i out =1a t j =25 ? c 2.0 v line regulation ? v out v in =-11.5v~-26v t j =25 ? c 10 180 mv v in =-12v~-18v t j =25 ? c 5 90 mv load regulation ? v out i out =5ma~1a t j =25 ? c 12 180 mv i out =250ma~750ma t j =25 ? c 4 90 mv quiescent current i q t j =25 ? c 3 6 ma quiescent current change ? i q i out =5ma~1a 0.05 0.5 ma 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 unisonic technologies co., ltd 5 of 9 www.unisonic.com.tw qw-r101-039.d ? electrical characteristics(cont.) for utc 79d12a (v in =-18v) parameter symbol test conditions min typ max unit output voltage v out t j =25 ? c -11.52 -12.0 -12.48 v v in =-14.5v~-27v, i out =5ma~1a, p d Q 15w -11.40 -12.60 v dropout voltage v d i out =1a t j =25 ? c 2 v line regulation ? v out v in =-14.5v~-30v t j =25 ? c 12 240 mv v in =-16v~-22v t j =25 ? c 6 120 mv load regulation ? v out i out =5ma~1a t j =25 ? c 12 240 mv i out =250ma~750ma t j =25 ? c 4 120 mv quiescent current i q t j =25 ? c 3 6 ma quiescent current change ? i q i out =5ma~1a 0.05 0.5 ma 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 output voltage v out t j =25 ? c -14.40 -15.0 -15.60 v v in =-17.5v~-30v i out =5ma~1a, p d Q 15w -14.25 -15.75 v dropout voltage v d i out =1a t j =25 ? c 2 v line regulation ? v out v in =-17.5v~-30v t j =25 ? c 12 300 mv v in =-20v~-26v t j =25 ? c 6 150 mv load regulation ? v out i out =5ma~1a t j =25 ? c 12 300 mv i out =250ma~750ma t j =25 ? c 4 150 mv quiescent current i q t j =25 ? c 3 6 ma quiescent current change ? i q i out =5ma~1a 0.05 0.5 ma 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 unisonic technologies co., ltd 6 of 9 www.unisonic.com.tw qw-r101-039.d ? electrical characteristics(cont.) for utc 79d18a (v in =-27v) parameter symbol test conditions min typ max unit output voltage v out t j =25 ? c -17.28 -18.0 -18.72 v v in =-21v~-33v i out =5ma~1a, p d Q 15w -17.10 -18.90 v dropout voltage v d i out =1a t j =25 ? c 2 v line regulation ? v out v in =-21v~-33v t j =25 ? c 15 360 mv v in =-24v~-30v t j =25 ? c 8 180 mv load regulation ? v out i out =5ma~1a t j =25 ? c 15 360 mv i out =250ma~750ma t j =25 ? c 5.0 180 mv quiescent current i q t j =25 ? c 3 6 ma quiescent current change ? i q i out =5ma~1a 0.05 0.5 ma 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 output voltage v out t j =25 ? c -23.04 -24 -24.96 v v in =-27v~-38v i out =5ma~1a, p d Q 15w -22.80 -25.20 v dropout voltage v d i out =1.0a t j =25 ? c 2 v line regulation ? v out v in =-27v~-38v t j =25 ? c 15 480 mv v in =-30v~-36v t j =25 ? c 8 240 mv load regulation ? v out i out =5ma~1a t j =25 ? c 15 480 mv i out =250ma~750ma t j =25 ? c 5.0 240 mv quiescent current i q t j =25 ? c 3 6 ma quiescent current change ? i q i out =5ma~1a 0.05 0.5 ma 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
79dxxa linear integrated circuit unisonic technologies co., ltd 7 of 9 www.unisonic.com.tw qw-r101-039.d ? application circuits 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 increasing output voltage
79dxxa linear integrated circuit unisonic technologies co., ltd 8 of 9 www.unisonic.com.tw qw-r101-039.d ? typical characteristics time (2ms/div) 01020 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 0 0 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 0 0 time (10ms/div) 0 50 100 power supply rejection ch1: 500mv/div ch2: 10mvdiv ch1 ch2 0 0 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) 050100 power supply rejection ch1: 500mv/div ch2: 10mvdiv ch1 ch2 0 0 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 unisonic technologies co., ltd 9 of 9 www.unisonic.com.tw qw-r101-039.d ? typical characteristics 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. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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