utc 78LXXM linear integrated circuit utc unisonic technologies co., ltd. 1 qw-r101-002,d 3-terminal 0.2a positive voltage regulator description the utc 78LXXM family is monolithic fixed voltage regulator integrated circuit. they are suitable for applications that required supply current up to 200ma. features *output current up to 200ma *fixed output voltage of 5v, 6v, 8v, 9v, 10v, 12v, 15v, 18v and 24v available *thermal overload shutdown protection *short circuit current limiting to-92 1 sop-8 to-92l 1 1 to-92nl sot-89 1 sot-223 1 2 3 sop-8: 1:output 2,3,6,7:gnd 8:input 4,5:n.c. to-92/to-92l/to-92nl/sot-89/sot-223: 1:output 2:gnd 3:input test circuit 1 3 2 gnd output input r13 r17 r9 z2 t12 t14 r19 r18 r12 r11 r10 r8 t8 t9 t13 t10 r14 t11 t5 t6 r5 t4 z1 r15 t15 r16 r1 r2 r4 c1 r6 t7 t3 t1 t2 r3 r7
utc 78LXXM linear integrated circuit utc unisonic technologies co., ltd. 2 qw-r101-002,d absolute maximum ratings (operating temperature range applies unless otherwise specified.) parameter symbol min. max. unit input voltage (for vo=5~9v) (for vo=12~24v) v i v i 30 35 v v output current io 200 ma power dissipation sop-8 to-92 to-92l to-92nl sot-89 sot-223 pd 300 300 500 500 350 350 mw operating junction temperature range t opr -20 +150 c storage temperature range t stg -55 +150 c utc78l05m electrical characteristics (v i =10v, io=40ma, 0 c utc 78LXXM linear integrated circuit utc unisonic technologies co., ltd. 3 qw-r101-002,d parameter symbol test conditions min typ max unit 9v<=v i <=20v,tj=25 c 54 125 mv quiescent current iq 3.9 6.0 ma quiescent current change ? iq 9v<=v i <=20v 1.5 ma ? iq 1ma<=v i <=40ma 0.1 ma output noise voltage v n 10hz<=f<=100khz 49 uv temperature coefficient of vo ? vo/ ? t io=5ma 0.75 mv/ c ripple rejection rr 10v<=v i <=20v,f=120hz, tj=25 c 40 46 db dropout voltage vd tj=25 c 1.7 v utc78l08m electrical characteristics (v i =14v,io=40ma, 0 c utc 78LXXM linear integrated circuit utc unisonic technologies co., ltd. 4 qw-r101-002,d parameter symbol test conditions min typ max unit ripple rejection rr 12v<=v i <=23v,f=120hz, tj=25 c 38 44 db dropout voltage vd tj=25 c 1.7 v utc78l10m electrical characteristics (v i =16v,io=40ma, 0 c utc 78LXXM linear integrated circuit utc unisonic technologies co., ltd. 5 qw-r101-002,d utc78l15m electrical characteristics (v i =23v,io=40ma, 0 c utc 78LXXM linear integrated circuit utc unisonic technologies co., ltd. 6 qw-r101-002,d utc78l24m electrical characteristics (v i =33v,io=40ma, 0 c 78LXXM 1 2 3 c0 0.1 f c1 0.33 f vi vo note 1: to specify an output voltage, substitute voltage value for "xxm". note 2: bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators.
utc 78LXXM linear integrated circuit utc unisonic technologies co., ltd. 7 qw-r101-002,d typical performance characteristics fig.1 ambient temperature vs. power dissipation fig.2 utc78l05m output voltage vs.ambient temperature fig.3 utc78l12m power dissipation vs. ambient temperature 25 50 75 100 100 200 300 400 500 ambient temperature(c) power dissiaption(mw) ambient temperature(c) -50 0 50 100 output volatge(v) 4.8 4.9 5.0 5.1 5.2 ambient temperature(c) -50 0 50 100 11.7 to-92l fig.4 output characteristics (ip=0ma,tj=25c) fig.6 short circuit output current (tj=25c) fig.7 utc78l12/24m quiescent current vs output current (tj=25c) fig.8 utc78l05m quiescent current vs. input voltage (io=0ma,tj=25c) 11.8 11.9 12.0 12.1 output volatge(v) input voltage(v) 010 2030 40 output voltage(v) 0 10 5 15 20 25 utc78l24m utc78l12m utc78l05m fig.5 utc78l05m dropout characteristics (tj=25c) 5 4.1 4.5 output voltage(v) input voltage(v) 6.0 6.5 7.0 i o = 0 ma io=40ma io=100ma input-outputvoltage difference(v) 010 2030 40 short circuit current(ma) 100 200 300 400 500 output current (ma) 020 80 40 60 100 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 quiescent current (ma) utc78l24 m utc78l12 m input voltage(v) 010 2030 40 quiescent current (ma) 0 1 2 3 4 fig.9 peak output current vs dropout voltage difference input-output voltage difference(v) 010 2030 40 peak output current(ma) 100 200 300 400 (tj=25c) (tj=0c) (tj=150c)
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