2004. 10. 28 1/7 semiconductor technical data kia78q000s/f~ kia78q050s/f bipolar linear integrated circuit revision no : 0 low drop fixed and adjustable positive voltage regulator the kia78q s/f is a low drop voltage regulator able to provide up to 1a of output current, available even in adjustable version (vref=1.25v) features low dropout voltage : 1.1v/typ. (iout=1.0a) very low quiescent current : 4.2 /typ. output current up to 1a fixed output voltage of 1.5v, 1.8v, 2.5v, 2.85v, 3.3v, 5.0v adjustable version availability : vref=1.25v internal current and thermal limit only 10 for stability available in 2%(at 25 ) and 4% in full temperature range high ripple rejection : 80db/typ temperature range : 0 125 + _ 6.5 0.2 + _ + _ + _ a sot-223 l k g j h d f e b c 0.26+0.09/-0.02 10 max 0.1 max 1.75 0.25 3.0+0.15/-0.1 2.3 typ 7 0.3 0.7+0.15/-0.1 1.8 max 3.5 0.2 dim millimeters h e b j f f g k l c d a 1. commoin 2. output 3. input 1 2 3 line up item output voltage (v) package kia78q000s/f adjustable (1.25~10v) s : sot-223 f : dpak kia78q015s/f 1.5 kia78q018s/f 1.8 kia78q025s/f 2.5 kia78q028s/f 2.85 kia78q033s/f 3.3 kia78q050s/f 5.0 dpak dim millimeters a b c d f h i j k l 6.60 0.2 6.10 0.2 5.0 0.2 1.10 0.2 2.70 0.2 2.30 0.1 1.00 max 2.30 0.2 0.5 0.1 2.00 0.20 0.50 0.10 e 0.91 0.10 m 0.90 0.1 o a c d b e k i j q h f f m o p l 123 1. commoin 2. output 3. input 1.00 0.10 p 0.95 max q + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ maximum ratings (ta=25 ) characteristic symbol rating unit input voltage v in 10 v output current s/f i out 1.0 a power dissipation 1 (no heatsink) s (note) p d1 1.0 w f 1.3 power dissipation 2 (infinite heatsink) s p d2 8.3 w f 13 operating temperature t opr 0 125 storage temperature t stg -55 150 note) package mounted on fr-4 pcb 36 18 1.5 . : mounting pad for the gnd lead min. 6
v in in v 10uf r2 v out gnd 10uf v out v in in v 10uf v out adj 10uf v out 768 ? r1 124 ? 2004. 10. 28 2/7 kia78q000s/f~kia78q050s/f revision no : 0 fig.1 application circuit-1 (fixed-type) fig.2 application circuit-2 (adjustable-type) electrical characteristics kia78q000s/f (unless otherwise specified, tj=0~125 ) characteristic symbol test conditions min. typ. max. unit output voltage v out1 v in =v out +1.5v, i out =10ma, tj=25 1.225 1.25 1.275 v v out2 10ma i out 1a, v out +1.5v v in 10v 1.20 1.25 1.30 line regulation reg line v out +1.5v v in 10v, i out =10ma - 1 10 mv load regulation reg load 10ma i out 1a, v in =v out +2.0v - 15 30 mv quiescent current i b1 v in =v out +1.25v, i out =0a - 4.2 10 ma i b2 v in =10v, i out =0a - 4.2 10 adjustable pin current i adj v in =v out +1.5v - 35 - a minimum load current i min v in =v out +1.5v 10 - - ma output noise voltage v no v in =v out +1.25v, i out =40ma, 10hz f 10khz - 100 - vrms sort circuit current limit i sc v in =v out +2.0v 1.1 - - a ripple rejection r r i out =40ma, f=120hz, vripple=1vp-p v in =v out +3v 60 80 - db dropout voltage v d i out =1a, v in =0.95v out - 1.1 1.2 v temperature stability tcv o v in =v out +1.5v, i out =10ma - 0.5 - % v out =v ref (1+r2/r1) + i adj r2
2004. 10. 28 3/7 kia78q000s/f~kia78q050s/f revision no : 0 electrical characteristics kia78q015s/f (unless otherwise specified, tj=0~125 ) characteristic symbol test conditions min. typ. max. unit output voltage v out1 v in =v out +1.5v, i out =10ma, tj=25 1.47 1.5 1.53 v v out2 10ma i out 1a, v out +1.5v v in 10v 1.44 1.5 1.56 line regulation reg line v out +1.5v v in 10v, i out =10ma - 1 10 mv load regulation reg load 10ma i out 1a, v in =v out +2.0v - 15 30 mv quiescent current i b1 v in =v out +1.25v, i out =0a - 4.2 10 ma i b2 v in =10v, i out =0a - 4.2 10 output noise voltage v no v in =v out +1.25v, i out =40ma, 10hz f 10khz - 100 - vrms sort circuit current limit i sc v in =v out +2.0v 1.1 - - a ripple rejection r r i out =40ma, f=120hz, vripple=1vp-p v in =v out +3v 60 80 - db dropout voltage v d i out =1a, v in =0.95v out - 1.1 1.2 v temperature stability tcv o v in =v out +1.5v, i out =10ma - 0.5 - % electrical characteristics kia78q018s/f (unless otherwise specified, tj=0~125 ) characteristic symbol test conditions min. typ. max. unit output voltage v out1 v in =v out +1.5v, i out =10ma, tj=25 1.764 1.8 1.836 v v out2 10ma i out 1a, v out +1.5v v in 10v 1.728 1.8 1.872 line regulation reg line v out +1.5v v in 10v, i out =10ma - 1 10 mv load regulation reg load 10ma i out 1a, v in =v out +2.0v - 15 30 mv quiescent current i b1 v in =v out +1.25v, i out =0a - 4.2 10 ma i b2 v in =10v, i out =0a - 4.2 10 output noise voltage v no v in =v out +1.25v, i out =40ma, 10hz f 10khz - 100 - vrms sort circuit current limit i sc v in =v out +2.0v 1.1 - - a ripple rejection r r i out =40ma, f=120hz, vripple=1vp-p v in =v out +3v 60 80 - db dropout voltage v d i out =1a, v in =0.95v out - 1.1 1.2 v temperature stability tcv o v in =v out +1.5v, i out =10ma - 0.5 - %
2004. 10. 28 4/7 kia78q000s/f~kia78q050s/f revision no : 0 electrical characteristics kia78q025s/f (unless otherwise specified, tj=0~125 ) characteristic symbol test conditions min. typ. max. unit output voltage v out1 v in =v out +1.5v, i out =10ma, tj=25 2.45 2.5 2.55 v v out2 10ma i out 1a, v out +1.5v v in 10v 2.4 2.5 2.6 line regulation reg line v out +1.5v v in 10v, i out =10ma - 1 10 mv load regulation reg load 10ma i out 1a, v in =v out +2.0v - 15 30 mv quiescent current i b1 v in =v out +1.25v, i out =0a - 4.2 10 ma i b2 v in =10v, i out =0a - 4.2 10 output noise voltage v no v in =v out +1.25v, i out =40ma, 10hz f 10khz - 100 - vrms sort circuit current limit i sc v in =v out +2.0v 1.1 - - a ripple rejection r r i out =40ma, f=120hz, vripple=1vp-p v in =v out +3v 60 80 - db dropout voltage v d i out =1a, v in =0.95v out - 1.1 1.2 v temperature stability tcv o v in =v out +1.5v, i out =10ma - 0.5 - % electrical characteristics kia78q028s/f (unless otherwise specified, tj=0~125 ) characteristic symbol test conditions min. typ. max. unit output voltage v out1 v in =v out +1.5v, i out =10ma, tj=25 2.793 2.85 2.907 v v out2 10ma i out 1a, v out +1.5v v in 10v 2.736 2.85 2.964 line regulation reg line v out +1.5v v in 10v, i out =10ma - 1 10 mv load regulation reg load 10ma i out 1a, v in =v out +2.0v - 15 30 mv quiescent current i b1 v in =v out +1.25v, i out =0a - 4.2 10 ma i b2 v in =10v, i out =0a - 4.2 10 output noise voltage v no v in =v out +1.25v, i out =40ma, 10hz f 10khz - 100 - vrms sort circuit current limit i sc v in =v out +2.0v 1.1 - - a ripple rejection r r i out =40ma, f=120hz, vripple=1vp-p v in =v out +3v 60 80 - db dropout voltage v d i out =1a, v in =0.95v out - 1.1 1.2 v temperature stability tcv o v in =v out +1.5v, i out =10ma - 0.5 - %
2004. 10. 28 5/7 kia78q000s/f~kia78q050s/f revision no : 0 electrical characteristics kia78q033s/f (unless otherwise specified, tj=0~125 ) characteristic symbol test conditions min. typ. max. unit output voltage v out1 v in =v out +1.5v, i out =10ma, tj=25 3.234 3.3 3.366 v v out2 10ma i out 1a, v out +1.5v v in 10v 3.168 3.3 3.432 line regulation reg line v out +1.5v v in 10v, i out =10ma - 1 10 mv load regulation reg load 10ma i out 1a, v in =v out +2.0v - 15 30 mv quiescent current i b1 v in =v out +1.25v, i out =0a - 4.2 10 ma i b2 v in =10v, i out =0a - 4.2 10 output noise voltage v no v in =v out +1.25v, i out =40ma, 10hz f 10khz - 100 - vrms sort circuit current limit i sc v in =v out +2.0v 1.1 - - a ripple rejection r r i out =40ma, f=120hz, vripple=1vp-p v in =v out +3v 60 80 - db dropout voltage v d i out =1a, v in =0.95v out - 1.1 1.2 v temperature stability tcv o v in =v out +1.5v, i out =10ma - 0.5 - % electrical characteristics kia78q050s/f (unless otherwise specified, tj=0~125 ) characteristic symbol test conditions min. typ. max. unit output voltage v out1 v in =v out +1.5v, i out =10ma, tj=25 4.9 5 5.1 v v out2 10ma i out 1a, v out +1.5v v in 10v 4.8 5 5.2 line regulation reg line v out +1.5v v in 10v, i out =10ma - 1 10 mv load regulation reg load 10ma i out 1a, v in =v out +2.0v - 15 30 mv quiescent current i b1 v in =v out +1.25v, i out =0a - 4.2 10 ma i b2 v in =10v, i out =0a - 4.2 10 output noise voltage v no v in =v out +1.25v, i out =40ma, 10hz f 10khz - 100 - vrms sort circuit current limit i sc v in =v out +2.0v 1.1 - - a ripple rejection r r i out =40ma, f=120hz, vripple=1vp-p v in =v out +3v 60 80 - db dropout voltage v d i out =1a, v in =0.95v out - 1.1 1.2 v temperature stability tcv o v in =v out +1.5v, i out =10ma - 0.5 - %
2004. 10. 28 6/7 kia78q000s/f~kia78q050s/f revision no : 0 0 0.8 1 0.2 0.4 0.6 fig. 4 v ref - t j 0 125 25 50 100 reference voltage v (v) ref junction temperature t j ( c) 1.25 1.0 1.5 1.75 2.0 short-circuit current i sc (a) output current i out (a) dropout voltage v d (v) fig. 3 v d - i out 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 75 150 1.210 1.215 1.220 1.225 1.230 1.240 1.245 1.250 1.255 1.260 -50 minimum load current i out(min) (ma) fig. 5 i out(min) - t j 0 1 2 3 4 5 -25 125 100 75 50 25 0 150 junction temperature tj ( c) -75 adjust pin current i adj ( a) fig. 6 i adj - t j -50 125 100 75 50 0 -25 150 junction temperature t j ( c) 0 10 20 30 40 50 60 70 80 90 100 kia78q000s/f only fig. 7 i sc - t j 25 -50 125 100 75 50 0 -25 150 junction temperature tj ( c) ripple rejection r.r(db) 100 k 10k 1k 10 frequency f (hz) 100 v in =v out +3v 0.5 < v ripple < 2v i out = 0.8a 0 10 20 30 40 50 60 70 80 90 fig.8 r.r-f tj=25 c tj=125 c tj=0 c
2004. 10. 28 7/7 kia78q000s/f~kia78q050s/f revision no : 0 ambient temperature ta ( c) ambient temperature ta ( c) -25 0 50 100 150 power dissipation p d (w) power dissipation p d (w) fig.9 p d - ta (s-type : sot-223) thermal resistance j-c 15 j-a 125 c/w fig.10 p d - ta (f-type : dpak) 2 4 6 8 10 0 12 0 150 50 100 3 0 6 9 15 12 thermal resistance j-c 9.62 j-a 96.2 c/w
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