unisonic technologies co., 79txxa linear integrated circuit www.unisonic.com.tw 1 of 7 copyright ? 2011 unisonic technologies co., qw-r101-013.da 3 terminal 1a negative voltage regulator ? description the utc 79txxa series of three-terminal negative regulators are available in to-263 package and with several fixed output voltage, making them useful in a wide range of application. each type employs internal current limiting, thermal shut-down and safe area protection, making it essentially in destructible. ? features *output current up to 1a *-5v, -6v, -8v, -9v, -12v, -1 5v, -18v, -24v output voltage available *thermal overload protection *short circuit protection to-263 1 1 to-263-3 ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 3 79TXXAL-TQ2-R 79txxag-tq2-r to-263 g i o tape reel 79txxal-tq2-t 79txxag-tq2-t to-263 g i o tube 79txxal-tq3-r 79txxag-tq3-r to-263-3 g i o tape reel 79txxal-tq3-t 79txxag-tq3-t to-263-3 gi o tube note: pin code: i: input g: gnd o: output
79txxa linear integrated circuit unisonic technologies co., ltd 2 of 7 www.unisonic.com.tw qw-r101-013.da ? marking information package voltage code marking to-263 to-263-3 05 :5.0v 06 :6.0v 08 :8.0v 09 :9.0v 12 :12v 15 :15v 18 :18v 24 :24v ? block diagram voltage reference protection circuitry gnd output input rsc r2 r1
79txxa linear integrated circuit unisonic technologies co., ltd 3 of 7 www.unisonic.com.tw qw-r101-013.da ? absolute maximum ratings (t a =25 , unless otherwise specified) parameter symbol rating unit input voltage v in -35 v output current i out 1 a power dissipation p d internally limited w operating temperature t opr 0 ~ +125 storage temperature t stg -65 ~ +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. ? thermal data parameter symbol ratings unit junction to ambient ja 65 /w junction to case jc 5 /w ? electrical characteristics (refer to test circuits, t j = 0 -125 , i out =500ma, c o =1uf, unless otherwise specified) for 79t05a (v in =-10v, c i =33uf) parameter symbol test conditions min typ max unit output voltage v out t j =25 -4.80 -5.0 -5.20 v i out =5ma ~ 1a, p d 15w Q , v in = -7v ~ -20v -4.75 -5.25 v line regulation v out t j =25 , v in =-7v ~ -25v 10 100 mv t j =25 , v in =-8v ~ -12v mv load regulation v out t j =25 , i out =5ma ~ 1a 10 100 mv t j =25 , i out =250ma ~ 750ma 3 50 mv quiescent current i q t j =25 3 6 ma quiescent current change i q i out =5ma ~ 1a 0.05 0.5 ma v in =-7v ~ -25v 0.1 1.3 ma temperature coefficient of v o v o / t i out =5ma -0.4 mv/ output noise voltage en f=10hz ~ 100khz, t a =25 100 v ripple rejection rr f=120hz, v in =-8v ~ -18v 54 60 db dropout voltage v d i out =1.0a, t j =25 2 v short-circuit current i sc v in =-35v, t a =25 300 ma peak output current i peak t j =25 2.2 a for 79t06a (v in =-11v, c i =2.2uf) parameter symbol test conditions min typ max unit output voltage v out t j =25 -5.76 -6.00 -6.24 v i out =5ma ~ 1a, p d 1 Q 5w, v in =-8v~ -21v -5.70 -6.30 v line regulation v out t j =25 , v in =-8v ~ -25v 10 120 mv t j =25 , v in =-9v ~ -13v 5 60 mv load regulation v out t j =25 , i out =5ma ~ 1a 10 120 mv t j =25 , i out =250ma ~ 750ma 3 60 mv quiescent current i q t j =25 3 6 ma quiescent current change i q i out =5ma ~ 1a 0.5 ma v in =-8v ~ -25v 1.3 ma temperature coefficient of v o v o / t i out =5ma -0.5 mv/ output noise voltage en f=10hz ~ 100khz, t a =25 130 v ripple rejection rr f=120hz, v in =-9v ~ -19v 54 60 db dropout voltage v d i out =1.0a, t j =25 2 v short-circuit current i sc v in =-35v, t a =25 300 ma peak output current i peak t j =25 2.2 a
79txxa linear integrated circuit unisonic technologies co., ltd 4 of 7 www.unisonic.com.tw qw-r101-013.da ? electrical characteristics(cont.) for 79t08a (v in =-14v, c i =2.2uf) parameter symbol test conditions min typ max unit output voltage v out t j =25 -7.68 -8.0 -8.32 v i out =5ma~1a, p d 15w, Q v in =-10.5v~-23v -7.60 -8.40 v line regulation v out t j =25 , v in =-10.5v ~ -25v 10 100 mv t j =25 , v in =-11.5v ~ -17v 5 80 mv load regulation v out t j =25 , i out =5ma ~ 1a 12 160 mv t j =25 , i out =250ma ~ 750ma 4 80 mv quiescent current i q t j =25 3 6 ma quiescent current change i q i out =5ma ~ 1a 0.05 0.5 ma v in =-11.5v ~ -25v 0.1 1.0 ma temperature coefficient of v o v o / t i out =5ma -0.6 mv/ output noise voltage en f=10hz ~ 100khz,t a =25 175 v ripple rejection rr f=120hz, v in =-11.5v ~ -21.5v 54 60 db dropout voltage v d i out =1.0a,t j =25 2 v short-circuit current i sc v in =-35v,t a =25 300 ma peak output current i peak t j =25 2.2 a for 79t09a (v in =-15v, c i =2.2uf) parameter symbol test conditions min typ max unit output voltage v out t j =25 -8.64 -9.0 -9.36 v i out =5ma~1a, p d 15w Q , v in =-11.5v~-23v -8.55 -9.45 v line regulation v out t j =25 , v in =-11.5v ~ -26 v 10 180 mv t j =25 , v in =-12v ~ -18v 5 90 mv load regulation v out t j =25 , i out =5ma ~ 1a 12 180 mv t j =25 , i out =0.25a - 0.75a 4 90 mv quiescent current i q t j =25 3 6 ma quiescent current change i q i out =5ma ~ 1a 0.05 0.5 ma v in =-11.5v ~ -26v 0.1 1.0 ma temperature coefficient of v o v o / t i out =5ma -0.6 mv/ output noise voltage en f=10hz ~ 100khz, t a =25 175 v ripple rejection rr f=120hz,t j =25 , v in =-12.5v ~ -22.5v 54 60 db dropout voltage v d i out =1.0a, t j =25 2.0 v short-circuit current i sc v in =-35v, t a =25 300 ma peak output current i peak t j =25 2.2 a
79txxa linear integrated circuit unisonic technologies co., ltd 5 of 7 www.unisonic.com.tw qw-r101-013.da ? electrical characteristics(cont.) for 79t12a (v in =-18v, c i =2.2uf) parameter symbol test conditions min typ max unit output voltage v out t j =25 -11.52 -12.0 -12.48 v i out =5ma~1a, p d 15w Q , v in =-14.5v~-27v -11.40 -12.60 v line regulation v out t j =25 , v in =-14.5v ~ -30v 12 240 mv t j =25 , v in =-16v ~ -22v 6 120 mv load regulation v out t j =25 , i out =5ma ~ 1a 12 240 mv t j =25 , i out =250ma ~ 750ma 4 120 mv quiescent current i q t j =25 3 6 ma quiescent current change i q i out =5ma ~ 1a 0.05 0.5 ma v in =-14.5v ~ -30v 0.1 1.0 ma temperature coefficient of v o v o / t i out =5ma -0.8 mv/ output noise voltage en f=10 hz ~ 100khz, t a =2 5 200 v ripple rejection rr f=120hz, v in =-15v ~ -25v 54 60 db dropout voltage v d i out =1.0a, t j =25 2 v short-circuit current i sc v in =-35v, t a =25 300 ma peak output current i peak t j =25 2.2 a for 79t15a (v in =-23v, c i =2.2uf) parameter symbol test conditions min typ max unit output voltage v out t j =25 -14.40 -15.0 -15.60 v i out =5ma~1a, p d 15w Q , v in =-17.5v~ -30v -14.25 -15.75 v line regulation v out t j =25 , v in =-17.5v to -30v 12 300 mv t j =25 , v in =-20v to -26v 6 150 mv load regulation v out t j =25 , i out =5ma ~ 1a 12 300 mv t j =25 , i out =250ma ~ 750ma 4 150 mv quiescent current i q t j =25 3 6 ma quiescent current change i q i out =5ma ~ 1a 0.05 0.5 ma v in =-17.5v to -30.5v 0.1 1.0 ma temperature coefficient of v o v o / t i out =5ma -0.9 mv/ output noise voltage en f=10 hz ~ 100khz,t a =25 250 v ripple rejection rr f=120hz, v in =-18.5v to -28.5v 54 60 db dropout voltage v d i out =1.0a, t j =25 2 v short-circuit current i sc v in =-35v, t a =25 300 ma peak output current i peak t j =25 2.2 a
79txxa linear integrated circuit unisonic technologies co., ltd 6 of 7 www.unisonic.com.tw qw-r101-013.da ? electrical characteristics(cont.) for 79t18a (v in =-27v, c i =2.2uf) parameter symbol test conditions min typ max unit output voltage v out t j =25 -17.28 -18.0 -18.72 v i out =5ma~1a, p d 15w Q , v in =-21v~-33v -17.10 -18.90 v line regulation v out t j =25 , v in =-21v ~ -33v 15 360 mv t j =25 , v in =-24v ~ -30v 8 180 mv load regulation v out t j =25 , i out =5ma ~ 1a 15 360 mv t j =25 , i o =250ma ~ 750ma 5.0 180 mv quiescent current i q t j =25 3 6 ma quiescent current change i q i out =5ma ~ 1a 0.5 ma v in =-21v ~ -32v 1.0 ma temperature coefficient of v o v o / t i o =5ma -1 mv/ output noise voltage en f=10hz ~ 100khz, t a =25 300 v ripple rejection rr f=120hz, v in =-22v ~ -32v 54 60 db dropout voltage v d i o =1.0a, t j =25 2 v short-circuit current i sc v in =-35v, t a =25 300 ma peak output current i peak t j =25 2.2 a for 79t24a (v in =-33v, c i =2.2uf) parameter symbol test conditions min typ max unit output voltage v out t j =25 -23.04 -24 -24.96 v i out =5ma ~ 1a, p d 15w Q , v in =-27v~ -38v -22.80 -25.20 v line regulation v out t j =25 , v in =-27v ~ -38v 15 480 mv t j =25 , v in =-30v ~ -36v 8 240 mv load regulation v out t j =25 , i out =5ma ~ 1a 15 480 mv t j =25 , i out =250ma ~ 750ma 5.0 240 mv quiescent current i q t j =25 3 6 ma quiescent current change i q i out =5ma ~ 1a 0.5 ma v in =-27v ~ -38v 1.0 ma temperature coefficient of v o v o / t i out =5ma -1 mv/ output noise voltage en f=10hz ~ 100khz, t a =25 400 v ripple rejection rr f=120hz, v in =-28v ~ -38v 54 60 db dropout voltage v d i out =1.0a, t j =25 2 v short-circuit current i sc v in =-35v, t a =25 300 ma peak output current i peak t j =25 2.2 a
79txxa linear integrated circuit unisonic technologies co., ltd 7 of 7 www.unisonic.com.tw qw-r101-013.da ? application circuits fig.1 fixed output regulator fig.2 split power supply (+-15v, 1a) utc 79txxa 1 23 c1 2.2 f c3 2.5 f c2 1 f -v o -v i r1 r2 fig.3 circuit for increasing output voltage utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, oper ating 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 lif e support appliances, devices or systems where malfunction of these products can be reasonably expe cted to result in personal injury. reproduction in whole or in part is prohibited without the prior writ ten 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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