utc 79LXX linear int egrat ed ci rcuit utc unisonic technologies co., ltd. 1 qw-r101-003,d 3-terminal 0.1a negative voltage regulator description the utc 79LXX family is monolithic fixed voltage regulator integrated circuit. they are suitable for applications that required supply current up to 100ma. features *output current up to 100ma *fixed output voltage of -5v, -6v, -8v, -9v, -12v,-15v ,-18v and -24v available *thermal overload shutdown protection *short circuit current limiting to-92 1 sop-8 sot-89 1 sop-8 : 1. vout ; 2,3,6,7 vin ; 5. gnd; 4,8 nc to-92 : 1: gnd 2: input 3: output sot-89: 1: gnd 2: input 3: output test circuit gnd output input
utc 79LXX linear int egrat ed ci rcuit utc unisonic technologies co., ltd. 2 qw-r101-003,d absolute maximum ratings (operating temperature range applies unless otherwise specified ) parameter symbol value unit input voltage(for vo=-5~-9v) (for vo=-12~-15v) (for vo=-18~-24v) v i v i v i -30 -35 v v power dissipation p d 350 (sot-89) 300 (sop-8) 625 (to-92) mw operating junction temperature range t opr -30 ~ +125 c storage temperature range t stg -40 ~ +125 c utc79l05 electrical characteristics (tj=25 c,c1=0.33 f,co=0.1 f, unless otherwise specified) parameter symbol test conditions min typ max unit output voltage vo v in =-10v,io=40ma -4.8 -5.0 -5.2 v line regulation vo-v in v in =-7~-20v,io=40ma 15 150 mv load regulation vo-io v in =-10v,io=1~100ma 7 60 mv quiescent current i q v in =-10v,io=40ma 3.5 6.0 ma ripple rejection rr v in =-8~-18v, io=40ma, e in =1vp-p ,f=120hz 41 71 db output noise voltage v no v in =-10v, bw=10hz~100kh,io=40ma 120 v utc79l06 electrical characteristics (tj=25 c,c1=0.33 f,co=0.1 f, unless otherwise specified) parameter symbol test conditions min typ max unit output voltage vo v in =-12v,io=40ma -5.76 -6.0 -6.24 v line regulation vo-v in v in =-8.5~-20v,io=40ma 15 150 mv load regulation vo-io v in =-12v,io=1~100ma 7 60 mv quiescent current i q v in =-12v,io=40ma 3.5 6.0 ma ripple rejection rr v in =-9~ -19v, io=40ma, e in =1vp-p ,f=120hz 41 71 db output noise voltage v no v in =-12v, bw=10hz~100kh,io=40ma 120 v utc79l08 electrical characteristics (tj=25 c,c1=0.33 f,co=0.1 f, unless otherwise specified) parameter symbol test conditions min typ max unit output voltage vo v in =-14v,io=40ma -7.68 -8.0 -8.32 v line regulation vo-v in v in =-10.5~-23v,io=40ma 24 175 mv load regulation vo-io v in =-14v,io=1~100ma 10 80 mv quiescent current i q v in =-14v,io=40ma 3.5 6.0 ma ripple rejection rr v in =-11~ -21v, io=40ma, e in =1vp-p ,f=140hz 39 68 db output noise voltage v no v in =-14v, bw=10hz~100kh,io=40ma 190 v
utc 79LXX linear int egrat ed ci rcuit utc unisonic technologies co., ltd. 3 qw-r101-003,d utc79l09 electrical characteristics (tj=25 c,c1=0.33 f,co=0.1 f, unless otherwise specified) parameter symbol test conditions min typ max unit output voltage vo v in =-15v,io=40ma -8.64 -9.0 -9.36 v line regulation vo-v in v in =-12.5~-24v,io=40ma 27 200 mv load regulation vo-io v in =-15v,io=1~100ma 12 90 mv quiescent current i q v in =-15v,io=40ma 3.5 6.0 ma ripple rejection rr v in =-12~ -22v, io=40ma, e in =1vp-p ,f=150hz 37 64 db output noise voltage v no v in =-15v, bw=10hz~100kh,io=40ma 210 v utc79l12 electrical characteristics (tj=25 c,c1=0.33 f,co=0.1 f, unless otherwise specified) parameter symbol test conditions min typ max unit output voltage vo v in =-19v,io=40ma -11.52 -12.0 -12.48 v line regulation vo-v in v in =-14.5~-27v,io=40ma 36 250 mv load regulation vo-io v in =-19v,io=1~100ma 16 100 mv quiescent current i q v in =-19v,io=40ma 3.5 6.0 ma ripple rejection rr v in =-15~ -25v, io=40ma, e in =1vp-p ,f=190hz 37 64 db output noise voltage v no v in =-19v, bw=10hz~100kh,io=40ma 210 v utc79l15 electrical characteristics (tj=25 c,c1=0.33 f,co=0.1 f, unless otherwise specified) parameter symbol test conditions min typ max unit output voltage vo v in =-23v,io=40ma -14.4 -15.0 -15.6 v line regulation vo-v in v in =-17.5~-30v,io=40ma 45 300 mv load regulation vo-io v in =-23v,io=1~100ma 20 150 mv quiescent current i q v in =-23v,io=40ma 3.5 6.0 ma ripple rejection rr v in =-18.5~ -28.5v, io=40ma, e in =1vp-p ,f=230hz 34 63 db output noise voltage v no v in =-23v, bw=10hz~100kh,io=40ma 340 v utc79l18 electrical characteristics (tj=25 c,c1=0.33 f,co=0.1 f, unless otherwise specified) parameter symbol test conditions min typ max unit output voltage vo v in =-27v,io=40ma -17.28 -18.0 -18.72 v line regulation vo-v in v in =-20.5~-33v,io=40ma 54 300 mv load regulation vo-io v in =-27v,io=1~100ma 23 170 mv quiescent current i q v in =-27v,io=40ma 3.5 6.0 ma ripple rejection rr v in =-23~ -33v, io=40ma, e in =1vp-p ,f=270hz 33 60 db output noise voltage v no v in =-27v, bw=10hz~100kh,io=40ma 410 v
utc 79LXX linear int egrat ed ci rcuit utc unisonic technologies co., ltd. 4 qw-r101-003,d utc79l24 electrical characteristics (tj=25 c,c1=0.33 f,co=0.1 f, unless otherwise specified) parameter symbol test conditions min typ max unit output voltage vo v in =-33v,io=40ma -23.04 -24.0 -24.96 v line regulation vo-v in v in =-27~-38v,io=40ma 72 350 mv load regulation vo-io v in =-33v,io=1~100ma 30 200 mv quiescent current i q v in =-33v,io=40ma 3.5 6.0 ma ripple rejection rr v in =-29~ -35v, io=40ma, e in =1vp-p ,f=330hz 31 55 db output noise voltage v no v in =-33v, bw=10hz~100kh,io=40ma 550 v application circuit utc79LXX 3 1 2 c0 0.1 f c1 0.33 f vi vo
utc 79LXX linear int egrat ed ci rcuit utc unisonic technologies co., ltd. 5 qw-r101-003,d typical performance characteristics fig.1 power dissipation vs. ambient temperature 25 50 75 100 125 ambient temperature(c) 300 400 500 600 700 power dissiapation(mw) to-92 sot-89 fig.2 input voltage vs. output voltage 0 -10 -20 -30 -40 input voltage(v) output voltage(v) 0 -10 -20 -30 -40 utc79l24 utc79l15 utc79l09 utc79l05 fig.3 load characteristics (tj=25c) 0 50 100 150 200 250 output current(ma) output voltage(v) 0 -10 -20 -30 -40 utc79l24 utc79l15 utc79l05 v in =-33v v in =-23v v in =-10v fig.4 short circuit current (tj=25c) 0 -10 -20 -30 -40 dropout voltage(v) output current(ma) 100 200 300 fig.5 output voltage vs. junction temperature ambient temperature(c) -25 125 25 75 175 output voltage(v) 0 -10 -20 -30 -40 v in =-33v v in =-23v v in =-10v utc79l24 utc79l15 utc79l05 ambient temperature(c) fig.6 output voltage vs. ambient temperature -50 0 50 100 150 output voltage(v) -4.8 -4.9 -5.0 -5.1 5.2 -7.8 -7.9 -8.0 -8.1 8.2 utc79l08 utc79l05 fig.7 utc79l05 dropout characteristics (tj=25c) fig.8 utc79l08 dropout characteristics (tj=25c) input voltage(v) input voltage(v) -5.5 -6.0 -6.5 output voltage(v) -4.5 -5.0 i o =10 0m a i o =40 m a i o= 5m a -8.5 -9.0 -9.5 -7.5 -8.0 io = 100ma i o =40 m a i o= 5ma output voltage(v) fig.9 current vs. input voltage(io=0ma,tj=25c) quiescent current(ma) 0 1 2 3 4 5 utc79l24 utc79l05 sop-8
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