utc 78DXXA linear integrated circuit utc unisonic technologies co., ltd. 1 qw-r101-010,d 3-terminal 1a positive voltage regulator description the utc 78DXXA family is monolithic fixed voltage regulator integrated circuit. they are suitable for applications that required supply current up to 1 a. features *peak output current up to 1.5 a *fixed output voltage of 3.3v,4.7v,5v, 6v, 8v, 9v, 10v, 12v, 15v, 18v and 24v available *thermal overload shutdown protection *short circuit current limiting *output transistor soa protection to-252 1 1:input 2:gnd 3:output test circuit 3 1 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 78DXXA linear integrated circuit utc unisonic technologies co., ltd. 2 qw-r101-010,d absolute maximum ratings ( operating temperature range applies unless otherwise specified ) parameter symbol rating unit input voltage(for vo=5~18v) (for vo=24v) v i 35 40 v v output current i o 1 a power dissipation pd internally limited w operating junction temperature range t opr -20 +150 c storage temperature range t stg -55 +150 c utc 78d33a electrical characteristics ( vi=5.8v, io=0.5a, tj= 0 c - 12 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage vo tj=25 c, i o =5ma - 1.0a 3.168 3.30 3.432 v v i =5.8v to 18.3v,i o =5ma - 1.0a 3.135 3.465 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 33 mv tj=25 c,i o =0.25a - 0.75a 17 mv v i =5.8v to 18.3v,tj=25 c 33 mv line regulation ? vo v i =5.8v to 18.3v,tj=25 c,io=1a 33 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change v i =5.8v to 18.3v 1.0 ma ? iq i o =5ma - 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 55 v temperature coefficient of vo ? vo/ ? t io=5ma -0.4 mv/ c ripple rejection rr v i =6.3v?16.3v,f=120hz,tj=25 c 57 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma dropout voltage vd tj=25 c 2.0 v utc 78d47a electrical characteristics ( vi=9.7v, io=0.5a, tj= 0 c - 12 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage vo tj=25 c, i o =5ma - 1.0a 4.512 4.70 4.888 v v i =7.2v to 19.7v,i o =5ma - 1.0a 4.465 4.935 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 47 mv tj=25 c,i o =0.25a - 0.75a 24 mv v i =7.2v to 19.7v,tj=25 c 47 mv line regulation ? vo v i =7.2v to 19.7v,tj=25 c,io=1a 47 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change v i =7.2v to 19.7v 1.0 ma ? iq i o =5ma - 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 40 v temperature coefficient of vo ? vo/ ? t io=5ma -0.6 mv/ c ripple rejection rr v i =7.7v -17.7v, f=120hz, tj=25 c 62 80 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma
utc 78DXXA linear integrated circuit utc unisonic technologies co., ltd. 3 qw-r101-010,d parameter symbol test conditions min typ max unit dropout voltage vd tj=25 c 2.0 v utc 78d05a electrical characteristics ( vi=10v, io=0.5a, tj= 0 c - 125 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage tj=25 c, i o =5ma - 1.0a 4.80 5.0 5.20 v vo v i =7.5v to 20v, i o =5ma - 1.0a,pd<15w 4.75 5.25 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 50 mv tj=25 c,i o =0.25a - 0.75a 25 mv line regulation ? vo v i =7v to 25v,tj=25 c 50 mv v i =7.5v to 20v,tj=25 c,io=1a 50 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change ? iq v i =7.5v to 20v 1.0 ma ? iq i o =5ma - 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 40 v temperature coefficient of vo ? vo/ ? t io=5ma -0.6 mv/ c ripple rejection rr v i =8v - 18v,f=120hz,tj=25 c 62 80 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma dropout voltage vd tj=25 c 2.0 v utc 78d06a electrical characteristics ( vi=11v, io=0.5a, tj= 0 c - 125 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage tj=25 c, i o =5ma - 1.0a 5.76 6.0 6.24 v vo v i =8.5v to 21v, i o =5ma - 1.0a, pd<15w 5.70 6.30 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 60 mv tj=25 c,i o =0.25a - 0.75a 30 mv line regulation ? vo v i =8v to 25v,tj=25 c 60 mv v i =8.5v to 21v,tj=25 c,io=1a 60 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change ? iq v i =8.5v to 21v 1.0 ma ? iq i o =5ma - 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 45 v temperature coefficient of vo ? vo/ ? t io=5ma -0.7 mv/ c ripple rejection rr v i =9v - 19v,f=120hz,tj=25 c 59 75 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma dropout voltage vd tj=25 c 2.0 v
utc 78DXXA linear integrated circuit utc unisonic technologies co., ltd. 4 qw-r101-010,d utc 78d08a electrical characteristics ( vi=14v, io=0.5a, tj= 0 c - 125 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage tj=25 c, i o =5ma - 1.0a 7.68 8.0 8.32 v vo v i =10.5v to 23v, i o =5ma - 1.0a, pd<15w 7.60 8.40 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 80 mv tj=25 c,i o =0.25a - 0.75a 40 mv line regulation ? vo v i =10.5v to 25v,tj=25 c 80 mv v i =10.5v to 23v,tj=25 c,io=1a 80 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change ? iq v i =10.5v to 23v 1.0 ma ? iq i o =5ma - 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 58 v temperature coefficient of vo ? vo/ ? t io=5ma -0.9 mv/ c ripple rejection rr v i =11.5v to 21.5v, f=120hz,tj=25 c 56 72 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma dropout voltage vd tj=25 c 2.0 v utc 78d09a electrical characteristics ( vi=15v, io=0.5a, tj= 0 c - 125 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage tj=25 c, i o =5ma - 1.0a 8.64 9.0 9.36 v vo v i =11.5v to 24v, i o =5ma - 1.0a,pd<15w 8.55 9.45 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 90 mv tj=25 c,i o =0.25a - 0.75a 45 mv line regulation ? vo v i =11.5v to 25 v, tj=25 c, pd<15w 90 mv v i =11.5v to 24v,tj=25 c, io<=1a 90 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change ? iq v i =11.5v to 24v 1.0 ma ? iq i o =5ma ? 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 58 v temperature coefficient of vo ? vo/ ? t io=5ma -1.1 mv/ c ripple rejection rr v i =12.5v to 22.5v, f=120hz,tj=25 c 56 72 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma dropout voltage vd tj=25 c 2.0 v
utc 78DXXA linear integrated circuit utc unisonic technologies co., ltd. 5 qw-r101-010,d utc 78d10a electrical characteristics ( vi=16v, io=0.5a, tj= 0 c - 125 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage tj=25 c, i o =5ma - 1.0a 9.60 10.0 10.40 v vo vi =12.5v to 25v, i o =5ma - 1.0a,pd<=15w 9.50 10.50 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 100 mv tj=25 c,i o =0.25a - 0.75a 50 mv line regulation ? vo vi =13v to 25v,tj=25 c 100 mv vi =13v to 25v, tj=25 c,io<=1a 100 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change ? iq vi =12.6v to 25v 1.0 ma ? iq i o =5ma - 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 58 v temperature coefficient of vo ? vo/ ? t io=5ma -1.1 mv/ c ripple rejection rr vi =13v - 23v,f=120hz,tj=25 c 56 72 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma dropout voltage vd tj=25 c 2.0 v utc 78d12a electrical characteristics ( vi=19v, io=0.5a, tj= 0 c - 125 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage tj=25 c, i o =5ma - 1.0a 11.52 12.0 12.48 v vo v i =14.5v to 27v, i o =5ma - 1.0a,pd<15w 11.40 12.60 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 120 mv tj=25 c,i o =0.25a - 0.75a 60 mv line regulation ? vo v i =14.5v to 30v,tj=25 c 120 mv v i =14.6v to 27v,tj=25 c, io=1a 120 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change ? iq v i =14.5v to 30v 1.0 ma ? iq i o =5ma - 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 75 v temperature coefficient of vo ? vo/ ? t io=5ma -1.5 mv/ c ripple rejection rr v i =15v - 25v,f=120hz,tj=25 c 55 72 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma dropout voltage vd tj=25 c 2.0 v
utc 78DXXA linear integrated circuit utc unisonic technologies co., ltd. 6 qw-r101-010,d utc 78d15a electrical characteristics ( vi=23v, io=0.5a, tj= 0 c - 125 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage tj=25 c, i o =5ma - 1.0a 14.40 15.0 15.60 v vo v i =17.5v to 30v, i o =5ma - 1.0a,pd<15w 14.25 15.75 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 150 mv tj=25 c,i o =0.25a - 0.75a 75 mv line regulation ? vo v i =18.5v to 30v,tj=25 c 150 mv v i =17.7v to 30v, tj=25 c, i o =1a 150 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change ? iq v i =17.5v to 30v 1.0 ma ? iq i o =5ma - 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 90 v temperature coefficient of vo ? vo/ ? t io=5ma -1.8 mv/ c ripple rejection rr v i =18.5v to 28.5v f=120hz,tj=25 c 54 70 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma dropout voltage vd tj=25 c 2.0 v utc 78d18a electrical characteristics ( vi=27v, io=0.5a, tj= 0 c - 125 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage vo tj=25 c, i o =5ma - 1.0a 17.28 18.0 18.72 v v i =21v to 33v,i o =5ma - 1.0a 17.10 18.90 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 180 mv tj=25 c,i o =0.25a - 0.75a 90 mv line regulation ? vo v i =21v to 33v,tj=25 c 180 mv v i =21v to 33v, tj=25 c, i o =<1a,pd<15w 180 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change ? iq v i =21.5v to 33v 1.0 ma ? iq i o =5ma - 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 110 v temperature coefficient of vo ? vo/ ? t io=5ma -2.2 mv/ c ripple rejection rr v i =22v - 32v,f=120hz,tj=25 c 53 69 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma dropout voltage vd tj=25 c 2.0 v
utc 78DXXA linear integrated circuit utc unisonic technologies co., ltd. 7 qw-r101-010,d utc 78d24a electrical characteristics ( vi=33v, io=0.5a, tj= 0 c - 12 c, c1=0.33uf, co=0.1uf, unless otherwise specified )(note 1) parameter symbol test conditions min typ max unit output voltage vo tj=25 c, i o =5ma - 1.0a 23.04 24.0 24.96 v v i =27v to 38v,i o =5ma - 1.0a 22.80 25.20 v load regulation ? vo tj=25 c,i o =5ma - 1.5a 240 mv tj=25 c,i o =0.25a - 0.75a 120 mv v i =27v to 38v,tj=25 c 240 mv line regulation ? vo v i =27v to 38v,tj=25 c,io=1a 240 mv quiescent current iq tj=25 c, i o =<1a 8.0 ma quiescent current change v i =28v to 38v 1.0 ma ? iq i o =5ma - 1.0a 0.5 ma output noise voltage v n 10hz<=f<=100khz 170 v temperature coefficient of vo ? vo/ ? t io=5ma -2.8 mv/ c ripple rejection rr v i =28v - 38v,f=120hz,tj=25 c 50 66 db peak output current i pk tj=25 c 1.8 a short-circuit current i sc vi=35v, tj=25 c 250 ma dropout voltage vd tj=25 c 2.0 v note 1: the maximum steady state usable output curr ent are dependent on input voltage, heat sinking, lead length of the package and copper pattern of pcb. the data above represents pulse test conditions with junction temperatures specified at the initiation of test. note 2: power dissipation<0.5w application circuit utc 78DXXA 3 2 1 c0 0.1 f c1 0.33 f vi vo note 1: to specify an output volt age, substitute vo ltage value for "xx". note 2: bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators.
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