unisonic technologies co., ltd 78txxa linear integrated circuit www.unisonic.com.tw 1 of 7 copyright ? 2011 unisonic technologies co., ltd. qw-r101-011.i 3-terminal 1a positive voltage regulator ? description the utc 78txxa family is monolithic fixed voltage regulator integrated circuit. they are suitabl e for applications that required supply current up to 1 a. ? features * peak output current up to 1 a * fixed output voltage of 5v, 6v, 7v, 8v, 9v, 10v, 12v, 15v, 18v and 24v available * thermal overload shutdown protection * short circuit current limiting * output transistor soa protection to-263 1 1 to-263-3 ? ordering information ordering number pin assignment normal lead free halogen free package 1 2 3 packing 78txxa-tq2-r 78txxal-tq2-r 78txx ag-tq2-r to-263 i g o tape reel 78txxa-tq2-t 78TXXAL-TQ2-T 78t xxag-tq2-t to-263 i g o tube 78txxa-tq3-r 78txxal-tq3 -r 78txxag-tq3-r to-263-3 i g o tape reel 78txxa-tq3-t 78txxal-tq3-t 78txx ag-tq3-t to-263-3 i g o tube note: pin code: i: input g: gnd o: output
78txxa linear integrated circuit unisonic technologies co., ltd 2 of 7 www.unisonic.com.tw qw-r101-012.i marking information package voltage code marking to-263 to-263-3 05 :5.0v 06 :6.0v 07 :7.0v 08 :8.0v 09 :9.0v 10 :10v 12 :12v 15 :15v 18 :18v 24 :24v
78txxa linear integrated circuit unisonic technologies co., ltd 3 of 7 www.unisonic.com.tw qw-r101-012.i ? 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 ? application circuit utc 78txxa 3 2 1 c o 0.1 f c i 0.33 f v in v out note 1: to specify an output voltage, substitute voltage value for "xx". 2: bypass capacitors are recommended for optimum stab ility and transient response and should be located as close as possible to the regulators.
78txxa linear integrated circuit unisonic technologies co., ltd 4 of 7 www.unisonic.com.tw qw-r101-012.i ? absolute maximum ratings (operating temperature range applies unless otherwise specified) parameter symbol rating unit v out =5~18v v in 35 v input voltage v out =24v v in 40 v output current i out 1 a power dissipation p d internally limited w junction temperature t j +125 operating junction temperature t opr -40~ +85 storage temperature t stg -40~ +150 note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device operation is not implied. ? electrical characteristics ( t j = 0 -125 ,c i =0.33uf,c o =0.1uf,unless otherwise specified ) (note 1) for 78t05a (v in =10v, i out =0.5a) parameter symbol test conditions min typ max unit t j =25 c, i out =5ma - 1.0a 4.80 5.0 5.20 v output voltage v out v in =7.5v~20v,i out =5ma-1.0a, p d 15w Q 4.75 5.25 v t j =25 c, i out =5ma-1.0a 50 mv load regulation v out t j =25 c, i out =0.25a-0.75a 25 mv v in =7v~25v, t j =25 c 50 mv line regulation v out v in =7.5v~20v, t j =25 c, i out =1.0a 50 mv quiescent current i q t j =25 c, i out 1.0a Q 8.0 ma v in =7.5v~20v 1.0 ma quiescent current change i q i out =5ma-1.0a 0.5 ma output noise voltage en 10hz f 100khz QQ 40 v temperature coefficient of vo vo/ t i out =5ma -0.6 mv/ c ripple rejection rr v in =8v-18v, f=120hz, t j =25 c 62 80 db peak output current i peak t j =25 c 1.8 a short-circuit current i sc v in =35v, t j =25 c 250 ma dropout voltage v d t j =25 c 2.0 v for 78t06a (v in =11v, i out =0.5a) parameter symbol test conditions min typ max unit t j =25 c, i out =5ma-1.0a 5.76 6.0 6.24 v output voltage v out v in =8.5v~21v,i out =5ma-1.0a, p d 15w Q 5.70 6.30 v t j =25 c, i out =5ma-1.0a 60 mv load regulation v out t j =25 c, i out =0.25a-0.75a 30 mv v in =8v~25v, t j =25 c 60 mv line regulation v out v in =8.5v~21v, t j =25 c, i out =1.0a 60 mv quiescent current i q t j =25 c, i out 1.0a Q 8.0 ma v in =8.5v~21v 1.0 ma quiescent current change i q i out =5ma-1.0a 0.5 ma output noise voltage en 10hz f 100khz QQ 45 v temperature coefficient of vo vo/ t i out =5ma -0.7 mv/ c ripple rejection rr v in =9v-19v, f=120hz, t j =25 c 59 75 db peak output current i peak t j =25 c 1.8 a short-circuit current i sc v in =35v, t j =25 c 250 ma dropout voltage v d t j =25 c 2.0 v
78txxa linear integrated circuit unisonic technologies co., ltd 5 of 7 www.unisonic.com.tw qw-r101-012.i ? electrical characteristics(cont.) for 78t07a (v in =13v, i out =0.5a) parameter symbol test conditions min typ max unit t j =25 c, i out =5ma-1.0a 6.72 7.0 7.28 v output voltage v out v in =9.5v~22v,i out =5ma-1.0a,p d 15w Q 6.65 7.35 v t j =25 c, i out =5ma-1.0a 70 mv load regulation v out t j =25 c, i out =0.25a-0.75a 35 mv v in =9v~25v, t j =25 c 70 mv line regulation v out v in =9.5v~22v, t j =25 c, i out =1.0a 70 mv quiescent current i q t j =25 c, i out 1.0a Q 8.0 ma v in =9.5v~22v 1.0 ma quiescent current change i q i out =5ma-1.0a 0.5 ma output noise voltage en 10hz f 100khz QQ 50 v temperature coefficient of vo vo/ t i out =5ma -0.8 mv/ c ripple rejection rr v in =10v-20v, f=120hz, t j =25 c 59 75 db peak output current i peak t j =25 c 1.7 a short-circuit current i sc v in =35v, t j =25 c 250 ma dropout voltage v d t j =25 c 2.0 v for 78t08a (v in =14v, i out =0.5a) parameter symbol test conditions min typ max unit t j =25 c, i out =5ma-1.0a 7.68 8.0 8.32 v output voltage v out v in =10.5v~23v,i out =5ma-1.0a,p d 15w Q 7.60 8.40 v t j =25 c, i out =5ma-1.0a 80 mv load regulation v out t j =25 c, i out =0.25a-0.75a 40 mv v in =10.5v~25v, t j =25 c 80 mv line regulation v out v in =10.5v~23v, t j =25 c, i out =1.0a 80 mv quiescent current i q t j =25 c, i out 1.0a Q 8.0 ma v in =10.5v~23v 1.0 ma quiescent current change i q i out =5ma-1.0a 0.5 ma output noise voltage en 10hz f 100khz QQ 58 v temperature coefficient of vo vo/ t i out =5ma -0.9 mv/ c ripple rejection rr v in =11.5v~21.5v, f=120hz, t j =25 c 56 72 db peak output current i peak t j =25 c 1.8 a short-circuit current i sc v in =35v, t j =25 c 250 ma dropout voltage v d t j =25 c 2.0 v for 78t09a (v in =15v, i out =0.5a) parameter symbol test conditions min typ max unit t j =25 c, i out =5ma - 1.0a 8.64 9.0 9.36 v output voltage v out v in =11.5v~24v,i out =5ma-1.0a,p d 15w Q 8.55 9.45 v t j =25 c, i out =5ma-1.0a 90 mv load regulation v out t j =25 c, i out =0.25a-0.75a 45 mv v in =11.5v~25 v, t j =25 c 90 mv line regulation v out v in =11.5v~24v, t j =25 c, i out =1.0a 90 mv quiescent current i q t j =25 c, i out 1.0a Q 8.0 ma v in =11.5v~24v 1.0 ma quiescent current change i q i out =5ma?1.0a 0.5 ma output noise voltage en 10hz f 100khz QQ 58 v temperature coefficient of vo vo/ t i out =5ma -1.1 mv/ c ripple rejection rr v in =12.5v~22.5v, f=120hz, t j =25 c 56 72 db peak output current i peak t j =25 c 1.8 a short-circuit current i sc v in =35v, t j =25 c 250 ma dropout voltage v d t j =25 c 2.0 v
78txxa linear integrated circuit unisonic technologies co., ltd 6 of 7 www.unisonic.com.tw qw-r101-012.i ? electrical characteristics(cont.) for 78t10a (v in =16v, i out =0.5a) parameter symbol test conditions min typ max unit t j =25 c, i out =5ma-1.0a 9.60 10.0 10.40 v output voltage v out v in =12.5v~25v,i out =5ma-1.0a,p d 15w Q 9.50 10.50 v t j =25 c, i out =5ma-1.0a 100 mv load regulation v out t j =25 c, i out =0.25a-0.75a 50 mv v in =13v~25v, t j =25 c 100 mv line regulation v out v in =13v~25v, t j =25 c, i out =1.0a 100 mv quiescent current i q t j =25 c, i out 1.0a Q 8.0 ma v in =12.6v~25v 1.0 ma quiescent current change i q i out =5ma-1.0a 0.5 ma output noise voltage en 10hz f 100khz QQ 58 v temperature coefficient of vo vo/ t i out =5ma -1.1 mv/ c ripple rejection rr v in =13v-23v, f=120hz, t j =25 c 56 72 db peak output current i peak t j =25 c 1.8 a short-circuit current i sc v in =35v, t j =25 c 250 ma dropout voltage v d t j =25 c 2.0 v for 78t12a (v in =19v, i out =0.5a) parameter symbol test conditions min typ max unit t j =25 c, i out =5ma-1.0a 11.52 12.0 12.48 v output voltage v out v in =14.5v~27v,i out =5ma-1.0a,p d 15w Q 11.40 12.60 v t j =25 c, i out =5ma-1.0a 120 mv load regulation v out t j =25 c, i out =0.25a-0.75a 60 mv v in =14.5v~30v, t j =25 c 120 mv line regulation v out v in =14.6v~27v, t j =25 c, i out =1.0a 120 mv quiescent current i q t j =25 c, i out 1.0a Q 8.0 ma v in =14.5v~30v 1.0 ma quiescent current change i q i out =5ma-1.0a 0.5 ma output noise voltage en 10hz f 100khz QQ 75 v temperature coefficient of vo vo/ t i out =5ma -1.5 mv/ c ripple rejection rr v in =15v-25v, f=120hz, t j =25 c 55 72 db peak output current i peak t j =25 c 1.8 a short-circuit current i sc v in =35v, t j =25 c 250 ma dropout voltage v d t j =25 c 2.0 v for 78t15a (v in =23v, i out =0.5a) parameter symbol test conditions min typ max unit t j =25 c, i out =5ma-1.0a 14.40 15.0 15.60 v output voltage v out v in =17.5v~30v,i out =5ma-1.0a,p d 15w Q 14.25 15.75 v t j =25 c, i out =5ma-1.0a 150 mv load regulation v out t j =25 c, i out =0.25a-0.75a 75 mv v in =18.5v~30v, t j =25 c 150 mv line regulation v out v in =17.7v~30v, t j =25 c, i out =1.0a 150 mv quiescent current i q t j =25 c, i out 1.0a Q 8.0 ma v in =17.5v~30v 1.0 ma quiescent current change i q i out =5ma-1.0a 0.5 ma output noise voltage en 10hz f 100khz QQ 90 v temperature coefficient of vo vo/ t i out =5ma -1.8 mv/ c ripple rejection rr v in =18.5v~28.5v, f=120hz, t j =25 c 54 70 db peak output current i peak t j =25 c 1.8 a short-circuit current i sc v in =35v, t j =25 c 250 ma dropout voltage v d t j =25 c 2.0 v
78txxa linear integrated circuit unisonic technologies co., ltd 7 of 7 www.unisonic.com.tw qw-r101-012.i ? electrical characteristics(cont.) for 78t18a (v in =27v, i out =0.5a) parameter symbol test conditions min typ max unit t j =25 c, i out =5ma-1.0a 17.28 18.0 18.72 v output voltage v out v in =21v~33v, i out =5ma-1.0a, p d 15w Q 17.10 18.90 v t j =25 c, i out =5ma-1.0a 180 mv load regulation v out t j =25 c, i out =0.25a-0.75a 90 mv v in =21v~33v, t j =25 c 180 mv line regulation v out v in =21v~33v, t j =25 c, i out =1.0a 180 mv quiescent current i q t j =25 c, i out 1.0a Q 8.0 ma v in =21.5v~33v 1.0 ma quiescent current change i q i out =5ma-1.0a 0.5 ma output noise voltage en 10hz f 100khz QQ 110 v temperature coefficient of vo vo/ t i out =5ma -2.2 mv/ c ripple rejection rr v in =22v-32v, f=120hz, t j =25 c 53 69 db peak output current i peak t j =25 c 1.8 a short-circuit current i sc v in =35v, t j =25 c 250 ma dropout voltage v d t j =25 c 2.0 v for 78t24a (v in =33v, i out =0.5a) parameter symbol test conditions min typ max unit t j =25 c, i out =5ma-1.0a 23.04 24.0 24.96 v output voltage v out v in =27v~38v, i out =5ma-1.0a, p d 15w Q 22.80 25.20 v t j =25 c, i out =5ma-1.0a 240 mv load regulation v out t j =25 c, i out =0.25a-0.75a 120 mv v in =27v~38v, t j =25 c 240 mv line regulation v out v in =27v~38v, t j =25 c, i out =1.0a 240 mv quiescent current i q t j =25 c, i out 1.0a Q 8.0 ma v in =28v~38v 1.0 ma quiescent current change i q i out =5ma-1.0a 0.5 ma output noise voltage en 10hz f 100khz QQ 170 v temperature coefficient of vo vo/ t i out =5ma -2.8 mv/ c ripple rejection rr v in =28v-38v, f=120hz, t j =25 c 50 66 db peak output current i peak t j =25 c 1.8 a short-circuit current i sc v in =35v, t j =25 c 250 ma dropout voltage v d t j =25 c 2.0 v note 1: the maximum steady state us able output current are depe ndent on input voltage, heat sinking, lead length of the package and copper pattern of pcb. the data abov e represents pulse test conditions with junction temperatures specified at the initiation of test. note 2: power dissipation<0.5w utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior writt en consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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