unisonic technologies co., ltd 78dxxa linear integrated circuit www.unisonic.com.tw 1 of 9 copyright ? 2009 unisonic technologies co., ltd qw-r101-010,k 3-terminals 1a positive voltage regulator ? description the utc 78dxxa 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 1a. * fixed output voltage of 4.7v, 5v, 6v, 7v, 8v, 9v, 10v, 12v, 15v, 18v and 24v available. * thermal overload shutdown protection. * short circuit current limiting. * output transistor soa protection. lead-free: 78dxxal halogen-free:78dxxag ? ordering information ordering number pin assignment normal lead free halogen free package 1 2 3 packing 78dxxa-tn3-r 78dxxal-tn3-r 78dxx ag-tn3-r to-252 i g o tape reel note: pin code: i: input g: gnd o: output
78dxxa linear integrated circuit unisonic technologies co., ltd 2 of 9 www.unisonic.com.tw qw-r101-010,k ? marking information package voltage code marking to-252 47: 05: 06: 08: 09: 10: 12: 15: 18: 24: 4.7v 5v 6v 8v 9v 10v 12v 15v 18v 24v
78dxxa linear integrated circuit unisonic technologies co., ltd 3 of 9 www.unisonic.com.tw qw-r101-010,k ? block diagram 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 note: bypass capacitors are recommended for optimum st ability and transient response and should be located as close as possible to the regulators.
78dxxa linear integrated circuit unisonic technologies co., ltd 4 of 9 www.unisonic.com.tw qw-r101-010,k ? absolute maximum ratings (ta = 25c, unless otherwise specified) parameter symbol ratings unit v out =4.7~18v 35 v input voltage v out =20~24v v in 40 v output current i out 1 a power dissipation (t c =25c) p d 15 w junction temperature t j +150 c operating temperature t opr -20 ~ +150 c storage temperature t stg -55 ~ +150 c notes: 1. absolute maximum ratings are stress ratings only and functional device operation is not implied. the device could be damaged beyond absolute maximum ratings. 2. the maximum steady state usable output current are dependent on input voltage, heat sinking, lead length of the package and copper pattern of pcb. the data are showed as electrical characteristics table represents pulse test conditions with junction te mperatures specified at the initiation of test. ? thermal data parameter symbol ratings unit junction to ambient ja 61.54 c/w junction to case jc 7.48 c/w ? electrical characteristics (t j =25 c, c i =0.33uf, c o =0.1uf, p d 15w, unless otherwise specified) for 78d47a (v in =9.7v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 4.512 4.70 4.888 v output voltage v out v in =7.2~19.7v, i out =5ma~1.0a 4.465 4.935 v i out =5ma~1.5a 47 mv load regulation v out i out =0.25a~0.75a 24 mv v in =7.2~19.7v 47 mv line regulation v out v in =7.2~19.7v, i out =1.0a 47 mv quiescent current i q i out 1.0a 8.0 ma v in =7.2~19.7v 1.0 ma quiescent current change i q i out =5ma~1.0a 0.5 ma output noise voltage en 10hz f 100khz 40 v temperature coefficient of v out v out / ti out =5ma -0.6 mv/ c ripple rejection rr v in =7.7~17.7v,f=120hz 62 80 db peak output current i peak 1.8 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v
78dxxa linear integrated circuit unisonic technologies co., ltd 5 of 9 www.unisonic.com.tw qw-r101-010,k ? electrical characteristics(cont.) for 78d05a (v in =10v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 4.80 5.0 5.20 v output voltage v out v in =7.5~20v, i out =5ma~1.0a 4.75 5.25 v i out =5ma~1.0a 50 mv load regulation v out i out =0.25a~0.75a 25 mv v in =7~25v 50 mv line regulation v out v in =7.5~20v, i out =1.0a 50 mv quiescent current i q i out 1.0a 8.0 ma v in =7.5~20v 1.0 ma quiescent current change i q i out =5ma~1.0a 0.5 ma output noise voltage en 10hz f 100khz 40 v temperature coefficient of v out v out / ti out =5ma -0.6 mv/ c ripple rejection rr v in =8~18v,f=120hz 62 80 db peak output current i peak 1.8 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v for 78d06a (v in =11v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 5.76 6.0 6.24 v output voltage v out v in =8.5~21v, i out =5ma~1.0a 5.7 6.3 v i out =5ma~1.0a 60 mv load regulation v out i out =0.25a~0.75a 30 mv v in =8~25v 60 mv line regulation v out v in =8.5~21v, i out =1.0a 60 mv quiescent current i q i out 1.0a 8.0 ma v in =8.5~21v 1.0 ma quiescent current change i q i out =5ma~1.0a 0.5 ma output noise voltage en 10hz f 100khz 45 v temperature coefficient of v out v out / ti out =5ma -0.7 mv/ c ripple rejection rr v in =9~19v,f=120hz 59 75 db peak output current i peak 1.8 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v for 78d07a (v in =13v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 6.72 7.0 7.28 v output voltage v out v in =9.5~22v, i out =5ma~1.0a 6.65 7.35 v i out =5ma~1.0a 70 mv load regulation v out i out =0.25a~0.75a 35 mv v in =9~25v 70 mv line regulation v out v in =9.5~22v, i out =1.0a 70 mv quiescent current i q i out 1.0a 8.0 ma v in =9.5~22v 1.0 ma quiescent current change i q i out =5ma~1.0a 0.5 ma output noise voltage en 10hz f 100khz 50 v temperature coefficient of v out v out / ti out =5ma -0.8 mv/ c ripple rejection rr v in =10~20v,f=120hz 59 75 db peak output current i peak 1.7 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v
78dxxa linear integrated circuit unisonic technologies co., ltd 6 of 9 www.unisonic.com.tw qw-r101-010,k ? electrical characteristics(cont.) for 78d08a (v in =14v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 7.68 8.0 8.32 v output voltage v out v in =10.5~23v, i out =5ma~1.0a 7.6 8.4 v i out =5ma~1.0a 80 mv load regulation v out i out =0.25a~0.75a 40 mv v in =10.5~25v 80 mv line regulation v out v in =10.5~23v, i out =1.0a 80 mv quiescent current i q i out 1.0a 8.0 ma v in =10.5~23v 1.0 ma quiescent current change i q i out =5ma~1.0a 0.5 ma output noise voltage en 10hz f 100khz 58 v temperature coefficient of v out v out / ti out =5ma -0.9 mv/ c ripple rejection rr v in =11.5~21.5v,f=120hz 56 72 db peak output current i peak 1.8 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v for 78d09a (v in =15v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 8.64 9.0 9.36 v output voltage v out v in =11.5~24v, i out =5ma~1.0a 8.55 9.45 v i out =5ma~1.0a 90 mv load regulation v out i out =0.25a~0.75a 45 mv v in =11.5~25v 90 mv line regulation v out v in =11.5~24v, i out =1.0a 90 mv quiescent current i q i out 1.0a 8.0 ma v in =11.5~24v 1.0 ma quiescent current change i q i out =5ma~1.0a 0.5 ma output noise voltage en 10hz f 100khz 58 v temperature coefficient of v out v out / ti out =5ma -1.1 mv/ c ripple rejection rr v in =12.5~22.5v,f=120hz 56 72 db peak output current i peak 1.8 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v for 78d10a (v in =16v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 9.60 10.0 10.40 v output voltage v out v in =12.5~25v, i out =5ma~1.0a 9.5 10.5 v i out =5ma~1.0a 100 mv load regulation v out i out =0.25a~0.75a 50 mv v in =13~25v 100 mv line regulation v out v in =13~25v, i out =1.0a 100 mv quiescent current i q i out 1.0a 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 58 v temperature coefficient of v out v out / ti out =5ma -1.1 mv/ c ripple rejection rr v in =13~23v,f=120hz 56 72 db peak output current i peak 1.8 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v
78dxxa linear integrated circuit unisonic technologies co., ltd 7 of 9 www.unisonic.com.tw qw-r101-010,k ? electrical characteristics(cont.) for 78d12a (v in =19v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 11.52 12.0 12.48 v output voltage v out v in =14.5~27v, i out =5ma~1.0a 11.4 12.6 v i out =5ma~1.0a 120 mv load regulation v out i out =0.25a~0.75a 60 mv v in =14.5~30v 120 mv line regulation v out v in =14.6~27v, i out =1.0a 120 mv quiescent current i q i out 1.0a 8.0 ma v in =14.5~30v 1.0 ma quiescent current change i q i out =5ma~1.0a 0.5 ma output noise voltage en 10hz f 100khz 75 v temperature coefficient of v out v out / ti out =5ma -1.5 mv/ c ripple rejection rr v in =15~25v,f=120hz 55 72 db peak output current i peak 1.8 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v for 78d15a (v in =23v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 14.40 15.0 15.6 v output voltage v out v in =17.5~30v, i out =5ma~1.0a 14.25 15.75 v i out =5ma~1.0a 150 mv load regulation v out i out =0.25a~0.75a 75 mv v in =18.5~30v 150 mv line regulation v out v in =17.7~30v, i out =1.0a 150 mv quiescent current i q i out 1.0a 8.0 ma v in =17.5~30v 1.0 ma quiescent current change i q i out =5ma~1.0a 0.5 ma output noise voltage en 10hz f 100khz 90 v temperature coefficient of v out v out / ti out =5ma -1.8 mv/ c ripple rejection rr v in =18.5~28.5v,f=120hz 54 70 db peak output current i peak 1.8 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v for 78d18a (v in =27v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 17.28 18.0 18.72 v output voltage v out v in =21~33v, i out =5ma~1.0a 17.1 18.9 v i out =5ma~1.0a 180 mv load regulation v out i out =0.25a~0.75a 90 mv v in =21~33v 180 mv line regulation v out v in =21~33v, i out =1.0a 180 mv quiescent current i q i out 1.0a 8.0 ma v in =21.5~33v 1.0 ma quiescent current change i q i out =5ma~1.0a 0.5 ma output noise voltage en 10hz f 100khz 110 v temperature coefficient of v out v out / ti out =5ma -2.2 mv/ c ripple rejection rr v in =22~32v,f=120hz 53 69 db peak output current i peak 1.8 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v
78dxxa linear integrated circuit unisonic technologies co., ltd 8 of 9 www.unisonic.com.tw qw-r101-010,k ? electrical characteristics(cont.) for 78d24a (v in =33v, i out =0.5a) parameter symbol test conditions min typ max unit i out =5ma~1.0a 23.04 24.0 24.96 v output voltage v out v in =27~38v, i out =5ma~1.0a 22.8 25.2 v i out =5ma~1.0a 240 mv load regulation v out i out =0.25a~0.75a 120 mv v in =27~38v 240 mv line regulation v out v in =27~38v, i out =1.0a 240 mv quiescent current i q i out 1.0a 8.0 ma v in =28~38v 1.0 ma quiescent current change i q i out =5ma~1.0a 0.5 ma output noise voltage en 10hz f 100khz 170 v temperature coefficient of v out v out / ti out =5ma -2.8 mv/ c ripple rejection rr v in =28~38v,f=120hz 50 66 db peak output current i peak 1.8 a short-circuit current i sc v in =35v 250 ma dropout voltage v d 2.0 v
78dxxa linear integrated circuit unisonic technologies co., ltd 9 of 9 www.unisonic.com.tw qw-r101-010,k 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 specificati ons 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 wr itten 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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