utc ut10xx cmos utc unisonic technologies co., ltd. 1 qw-r502-014,a three-terminal low power voltage regulators description the utc ut10xx series is a set of three- terminal low power voltage regulators implemented in cmos technology . they are available with several fixed output voltages ranging from 1.5v~7.0v. the advantage of cmos technology is low voltage dropout and low quiescent current. although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain variable voltages and currents. features * low power consumption *low voltage dropout *low temperature coefficient *wide operating voltage (12v max.) applications *battery-powered equipment *communication equipment *audio/video equipment to-92 1 sot-89 1 to-92 : ut10xx-b : 1: vout 2: gnd 3: vin to-92 : ut10xx-c : 1: gnd 2:vin 3:vout sot-89 : 1: gnd 2:vin 3:vout pad assignment (0,0) gnd v in vout 1 2 3 chip size: 1.34 1.30 mm 2 *the ic substrate should be connected to vdd in the pcb layout artwork. unit: m pad no. x y 1 184 1137 2 615 1121 3 1194 1132
utc ut10xx cmos utc unisonic technologies co., ltd. 2 qw-r502-014,a block diagram vin gnd vref vout + absolute maximum ratings parameter symbol rating unit supply voltage vcc -0.3 ~ +13 v power dissipation pd 250 mw storage temperature tstg -50 ~ +125 operating temperature topr 0 ~ +70 utc ut1025 ( +2.5v output type) electrical charactristics (ta=25 ) parameter symbol test conditions min typ max unit output voltage v out vin=4.5v,i out =10ma 2.4% 5% 2.440 2.375 2.5 2.5 2.560 2.625 v output current i out vin=4.5v 20 30 ma load regulation ? v out vin=4.5v,1ma i out 20ma 60 100 mv voltage dropout v d i out =1ma 60 mv current consumption i ss vin=4.5v,no load 2.2 6.0 a line regulation ? v out ? v in v out 3.5v v in 12v,i out =0.5ma 0.2 %/v input voltage v in 12 v temperature coefficient ? v out ? t a vin=4.5v,i out =10ma 0c utc ut10xx cmos utc unisonic technologies co., ltd. 3 qw-r502-014,a utc ut1028 ( +2.8v output type) electrical charactristics (ta=25 ) parameter symbol test conditions min typ max unit output voltage v out vin=4.8v,i out =10ma 2.4% 5% 2.732 2.660 2.8 2.8 2.867 2.940 v output current i out vin=4.8v 20 30 - ma load regulation ? v out vin=4.8v,1ma i out 20ma 60 100 mv voltage dropout v d i out =1ma 60 mv current consumption i ss vin=4.8v,no load 2.5 6.0 a line regulation ? v out ? v in v out 3.8v v in 12v,i out =1ma 0.2 %/v input voltage v in 12 v temperature coefficient ? v out ? t a vin=4.8v,i out =10ma 0c utc ut10xx cmos utc unisonic technologies co., ltd. 4 qw-r502-014,a utc ut1036 ( +3.6v output type) electrical charactristics (ta=25 ) parameter symbol test conditions min typ max unit output voltage v out vin=5.6v,i out =10ma 2.4% 5% 3.513 3.420 3.6 3.6 3.686 3.780 v output current i out vin=5.6v 20 30 ma load regulation ? v out vin=5.6v,1ma i out 30ma 60 100 mv voltage dropout v d i out =1ma 60 mv current consumption i ss vin=5.6v,no load 3.0 7.0 a line regulation ? v out ? v in v out 4.6v v in 12v,i out =1ma 0.2 %/v input voltage v in 12 v temperature coefficient ? v out ? t a vin=5.6v,i out =10ma 0cUT1044 ( +4.4v output type) electrical charactristics (ta=25 ) parameter symbol test conditions min typ max unit output voltage v out vin=6.4v,i out =10ma 2.4% 5% 4.294 4.180 4.4 4.4 4.505 4.620 v output current i out vin=6.4v 20 30 ma load regulation ? v out vin=6.4v,1ma i out 30ma 60 100 mv voltage dropout v d i out =1ma 60 mv current consumption i ss vin=6.4v,no load 3.0 7.5 a line regulation ? v out ? v in v out 5.4v v in 12v,i out =1ma 0.2 %/v input voltage v in 12 v temperature coefficient ? v out ? t a vin=6.4v,i out =10ma 0c utc ut10xx cmos utc unisonic technologies co., ltd. 5 qw-r502-014,a utc ut1070 ( +7.0v output type) electrical charactristics (ta=25 ) parameter symbol test conditions min typ max unit output voltage v out vin=9v,i out =10ma 2.4% 5% 6.832 6.65 7.0 7.0 7.168 7.35 v output current i out vin=9v 20 30 ma load regulation ? v out vin=9v,1ma i out 30ma 60 100 mv voltage dropout v d i out =1ma 60 mv current consumption i ss vin=9v,no load 5.0 12.5 a line regulation ? v out ? v in v out 8v v in 12v,i out =1ma 0.2 %/v input voltage v in 12 v temperature coefficient ? v out ? t a vin=9v,i out =10ma 0c utc ut10xx cmos utc unisonic technologies co., ltd. 6 qw-r502-014,a ut10xx v in v out v in v out c1 10 + c2 10 + single point gnd common common short-circuit protection for tr1 tr1 r gnd rs ut10xx v in v out v in v out c1 10 + c2 10 + single point gnd common circuit for increasing output voltage gnd iss vxx r1 r2 vout=vxx(1+ ) + issr2 r2 r1 P vxx(1+ ) r2 r1
utc ut10xx cmos utc unisonic technologies co., ltd. 7 qw-r502-014,a ut10xx v in v out v in v out c1 10 + c2 10 + single point gnd common common circuit for increasing output voltage gnd iss di vxx r1 vout=vxx+vdi ut10xx v in v out v in c1 10 + c2 10 + common constant current regulator gnd iss vxx i out rl r a iout= +iss vxx r a ut10xx v in v out v in c1 10 c3 10 + common dual supply gnd r ic1 v out1 v out2 ut10xx v in v out gnd ic2 c2 10 + + common
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