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uni soni c technologi es co., ltd lm78xx linear integrated circuit www.unisonic.com.tw 1 of 13 copyright ? 2017 unisonic technologies co., ltd qw-r101-006.v 3 -t erm i n al 1 a posi t i v e v olt age regu lat or ? descri pt i on the utc lm78xx family is monolithic fixed voltage regulator integrated circuit. they are suitabl e for applications that required supply current up to 1 a. ? feat u res * output current up to 1a * fixed output voltage of 5v, 6v, 7v, 8v, 9v, 10v, 12v, 15v, 18v and 24v available * thermal overload shutdown protection * output transistor soa protection to-220 1 1 to-220f to-262 1 to-92 1 ? orderi n g i n form at i on ordering number pin assignment lead free halogen free package 1 2 3 packing lm78xxl-ta3-t lm78xxg-ta3-t to-220 i g o tube lm78xxl-tf3-t lm78xxg-tf3-t to-220f i g o tube lm78xxl-t2q-t lm78xxg-t2q-t to-262 i g o tube lm78xxl-t92-b lm78xxg-t92-b to-92 i g o tape box lm78xxl-t92-k lm78xxg-t92-k to-92 i g o bulk note: pin assignment: o: output g: gnd i: input
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 2 of 13 www.unisonic.com.tw qw-r101-006.v ? m ark i n g i n form at i on package voltage code marking to-220 to-220f to-262 to-92 05: 06: 07: 08: 09: 10: 12: 15: 18: 24: 5.0 v 6.0 v 7.0 v 8.0 v 9.0 v 1 . 0 v 1 . 2 v 1 . 5 v 1 . 8 v 2 . 4 v
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 3 of 13 www.unisonic.com.tw qw-r101-006.v ? t est ci rcu i t ? appli cat i on ci rcu i t utc lm78xx 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.
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 4 of 13 www.unisonic.com.tw qw-r101-006.v ? absolu t e m ax i m u m rat i n gs (operating temperature range applies unless otherwise specified) parameter symbol rating unit v out =5~18v 35 v input voltage v out =24v v in 40 v output current i out 1 a power dissipation p d internally limited w operating junction temperature t opr -20 ~ +125 c storage temperature t stg -55 ~ +150 c 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 oper ation is not implied. ? t h erm al dat a parameter symbol rating unit to-220/to-220f to-262 65 junction to ambient to-92 ja 180 c/w to-220/to-262 5 to-220f 7.8 junction to case to-92 jc 83 c/w ? elect ri cal ch aract eri st i cs (i out =0.5a, t j = 0c~125c, c i =0.33 f, c o =0.1 f, unless otherwise specified)(note 1) for utc lm7805 (v in =10v) parameter symbol test conditions min typ max unit t j =25c, 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 4.75 5.25 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 50 mv load regulation ? v out t j =25c,i out =0.25a ~ 0.75a 25 mv v in =7v ~ 25v, t j =25c 50 mv line regulation ? v out v in =7.5v ~ 20v, t j =25c, i out =1.0a 50 mv quiescent current i q t j =25c, i out 1.0a 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 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 =25c 62 80 db peak output current i peak t j =25c 1.8 a
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 5 of 13 www.unisonic.com.tw qw-r101-006.v ? elect ri cal ch aract eri st i cs(cont .) for utc lm7806 (v in =11v) parameter symbol test conditions min typ max unit t j =25c, 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 5.70 6.30 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 60 mv load regulation ? v out t j =25c,i out =0.25a~ 0.75a 30 mv v in =8v ~ 25v, t j =25c 60 mv line regulation ? v out v in =8.5v ~ 21v, t j =25c,i out =1.0a 60 mv quiescent current i q t j =25c, i out 1.0a 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 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 =25c 59 75 db peak output current i peak t j =25c 1.8 a for utc lm7807 (v in =13v) parameter symbol test conditions min typ max unit t j =25c, 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 6.65 7.35 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 70 mv load regulation ? v out t j =25c,i out =0.25a ~ 0.75a 35 mv v in =9v ~ 25v, t j =25c 70 mv line regulation ? v out v in =9.5v ~ 22v, t j =25c,i out =1.0a 70 mv quiescent current i q t j =25c, i out 1.0a 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 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 =25c 59 75 db peak output current i peak t j =25c 1.7 a
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 6 of 13 www.unisonic.com.tw qw-r101-006.v ? elect ri cal ch aract eri st i cs(cont .) for utc lm7808 (v in =14v) parameter symbol test conditions min typ max unit t j =25c, 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 7.60 8.40 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 80 mv load regulation ? v out t j =25c,i out =0.25a ~ 0.75a 40 mv v in =10.5v ~ 25v, t j =25c 80 mv line regulation ? v out v in =10.5v ~ 23v, t j =25c,i out =1.0a 80 mv quiescent current i q t j =25c, i out 1.0a 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 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 =25c 56 72 db peak output current i peak t j =25c 1.8 a for utc lm7809 (v in =15v) parameter symbol test conditions min typ max unit t j =25c, 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 8.55 9.45 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 90 mv load regulation ? v out t j =25c,i out =0.25a ~ 0.75a 45 mv v in =11.5v ~ 25 v, t j =25c 90 mv line regulation ? v out v in =11.5v ~ 24v, t j =25c, i out =1.0a 90 mv quiescent current i q t j =25c, i out 1.0a 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 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 =25c 56 72 db peak output current i peak t j =25c 1.8 a
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 7 of 13 www.unisonic.com.tw qw-r101-006.v ? elect ri cal ch aract eri st i cs(cont .) for utc lm7810 (v in =16v) parameter symbol test conditions min typ max unit t j =25c, 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 9.50 10.50 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma - 1.0a 100 mv load regulation ? v out t j =25c,i out =0.25a - 0.75a 50 mv v in =13v ~ 25v, t j =25c 100 mv line regulation ? v out v in =13v ~ 25v, t j =25c,i out =1.0a 100 mv quiescent current i q t j =25c, 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 vo ? vo/ ? t i out =5ma -1.1 mv/c ripple rejection rr v in =13v ~ 23v,f=120hz, t j =25c 56 72 db peak output current i peak t j =25c 1.8 a for utc lm7812 (v in =19v) parameter symbol test conditions min typ max unit t j =25c, 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 11.40 12.60 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 120 mv load regulation ? v out t j =25c,i out =0.25a ~ 0.75a 60 mv v in =14.5v ~ 30v, t j =25c 120 mv line regulation ? v out v in =14.6v ~ 27v, t j =25c, i out =1.0a 120 mv quiescent current i q t j =25c, i out 1.0a 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 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 =25c 55 72 db peak output current i peak t j =25c 1.8 a
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 8 of 13 www.unisonic.com.tw qw-r101-006.v ? elect ri cal ch aract eri st i cs(cont .) for utc lm7815 (v in =23v) parameter symbol test conditions min typ max unit t j =25c, 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 14.25 15.75 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 150 mv load regulation ? v out t j =25c,i out =0.25a ~ 0.75a 75 mv v in =18.5v ~ 30v, t j =25c 150 mv line regulation ? v out v in =17.7v ~ 30v, t j =25c, i out =1.0a 150 mv quiescent current i q t j =25c, i out 1.0a 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 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 =25c 54 70 db peak output current i peak t j =25c 1.8 a for utc lm7818 (v in =27v) parameter symbol test conditions min typ max unit t j =25c, 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 17.10 18.90 v dropout voltage v d t j =25c 2.0 v t j =25c,i out =5ma ~ 1.0a 180 mv load regulation ? v out t j =25c,i out =0.25a ~ 0.75a 90 mv v in =21v ~ 33v, t j =25c 180 mv line regulation ? v out v in =21v ~ 33v, t j =25c, i out =1.0a 180 mv quiescent current i q t j =25c, i out 1.0a 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 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 =25c 53 69 db peak output current i peak t j =25c 1.8 a
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 9 of 13 www.unisonic.com.tw qw-r101-006.v ? elect ri cal ch aract eri st i cs(cont .) for utc lm7824 (v in =33v) parameter symbol test conditions min typ max unit t j =25c, 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 22.80 25.20 v dropout voltage v d t j =25c 2.0 v t j =25c,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 =25c 240 mv line regulation ? v out v in =27v ~ 38v, t j =25c,i out =1.0a 240 mv quiescent current i q t j =25c, i out 1.0a 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 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 =25c 50 66 db peak output current i peak t j =25c 1.8 a notes: 1.the maximum steady state usabl e output current are dependent on input voltage, heat sink ing, lead length of the package and copper pattern of pcb. the data above represents pul se test conditions with junction temperatures specified at the initiation of test. 2. power dissipation<0.5w
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 10 of 13 www.unisonic.com.tw qw-r101-006.v ? n ot es for u se 1. thermal design use a thermal design that allows for a sufficient margin in light of the power dissipation (pd) in actual operating conditions. 2. absolute maximum ratings an excess in the absolute maximum ratings, such as supply voltage, temperat ure range of operating conditions, etc., can break down the devices, thus making impossible to identify breaking mode, such as a short circuit or an open circuit. if any over rated values will expect to exceed the absolute maximum ratings, consider adding circuit protection devices, such as fuses. 3. gnd voltage the potential of gnd pin must be minimum potential in all operating conditions. 4. actions in strong electromagnetic field use caution when using the ic in the presence of a strong electromagnetic field as doing so may cause the ic to malfunction. 5. inter-pin shorts and mounting errors use caution when positioning the ic for mounting on printed circuit boards. the ic may be damaged if there is any connecti on error or if pins are shorted together. 6. thermal shutdown circuit the ic incorporates a built-in thermal shutdown circui t (tsd circuit). the thermal shutdown circuit (tsd circuit) is designed only to shut the ic off to prevent thermal runaway. it is not des igned to protect the ic or guarantee its operation. do not continue to use the ic after operating this circuit or use the ic in an environment where the operation of this circuit is assumed. 7. overcurrent protection circuit an overcurrent protection circuit is incorporated in order to prevention destruction due to short-time overload currents. continued use of the protection ci rcuits should be avoided. please note t hat the current in creases negatively impact the temperature. 8. testing on application boards when testing the ic on an application b oard, connecting a capacitor to a pin with low impedance subjects the ic to stress. always discharge capacitors after each process or step. always turn the ic's power supply off before connecting it to or removing it from a jig or fixture dur ing the inspection process. ground the ic during assembly steps as an antistatic measure. use similar precaution when transporti ng or storing the ic.
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 11 of 13 www.unisonic.com.tw qw-r101-006.v ? n ot es for u se(cont .) 9. ground wiring pattern when using both small signal and large current gnd patte rns, it is recommended to isolate the two ground patterns, placing a single ground point at the ground potenti al of application so that the pattern wiring resistance and voltage variations caused by large currents do not caus e variations in the small signal ground voltage. be careful not to change the gnd wiring patte rn of any external components, either. 10. damage to the internal circuit or element may occur when the polarity of the v cc pin is opposite to that of the other pins in applications. (i.e. v cc is shorted with the gnd pin while an external capacitor is charged.) use a maximum capacitance of 1000 f for the output pins. inserting a diode to prevent back-current flow in series with v cc or bypass diodes between v cc and each pin is recommended.
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 12 of 13 www.unisonic.com.tw qw-r101-006.v ? t y pi cal ch aract eri st i cs power dissipation, p d (w) output voltage, v o (v) -25 -50 output voltage change vs. junction temperature junction temperature, t j ( ) 50 75 150 01 0 0 output voltage vs. input voltage input voltage, v in (v) 0 2 3 7 10 04 8 1 0 1 2 -200 -100 0 50 100 200 25 125 -150 -50 150 6 2 1 4 5 6 8 9 i o =0a i o =1a i o =0.5a i o =5ma t j =25 gnd-pin current, i q (ma) dropout voltage, v d (v)
lm78xx linear integrated circuit u n i son i c t ech n ologi es co., lt d 13 of 13 www.unisonic.com.tw qw-r101-006.v ? t y pi cal ch aract eri st i cs(cont .) output peak current, i o peak (a) ripple rejection, rr (db) dropout voltage, v d (v) output voltage, v d (v) 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 conditi on 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 written consent of the copyright owner. the i nformation presented in this document does not form part of any quotation or contract, is believed to be accur ate and reliable and may be changed without notice.

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