23213 3 - terminal fixed voltage regulator H78L05 shantou huashan electronic devices co.,ltd . ? description ? features ? absolute maximum ratings ? t a =25 ?? ? ? internal block diagram v in ?a?a input voltage ?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?- 3 0 v p d ?a?a power of dissipation ?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?- 700mw t amb ?a?a operating temperature range ?-?-?-?-?-?-?-?-?-?-?-?- - 20~85 ?? t stg ?a?a storage temperature range ?-?-?-?-?-?-?-?-?-?-?-?-?- - 55~150 ?? t j ?a?a junction temperature ?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?- - 55~150 ?? r th ?a?a thermal resistance ? junction to environment ??-?-?-?-?-?-?- 180 ?? /w 1 d out put 2 d gnd 3 d in put l output current up to 100ma l low noise l high ripple rejection l power amplify output protection l thermal overload protection l current overl oad protection and short circuit protection H78L05 is the three terminal positive regulators with single chip, and in a wide range of applicati ons ? it supplies fixed output voltages of 5 v , deliver over 1 00m a output current ,and employs internal current limiting, t hermal shut down and safe operating area protection, making it essentially indestructible. to - 92 input 3 output 1 gnd 2 current generator series bypass element starting circuit reference voltage error amplifi er thermal protection circuit soa protection
23213 3 - terminal fixed voltage regulator H78L05 shantou huashan electronic devices co.,ltd . ? typi cal application ? ele c trical chara c teristic s ? u nless ot herwise specifie d , v in =10v ,i o =40ma, 0 ??? t j ? 125 ?? ,c in =0.33 | f ,c out =0.1 | f ? symbol parameter min. typ. max. unit conditions 4. 8 5.0 5.2 t j = 25 ?? 4. 8 5.2 7v ? v in ? 20v, 1ma ? i o ? 4 0 ma v o output voltage 4. 8 5.2 v v in =1 0v, 1ma ? i o ? 7 0 ma 6 150 t j = 25 ?? , 7v ? v in ? 20v | v o line regulation 4 100 m v t j = 25 ?? , 8v ? v in ? 20v 9 60 t j = 25 ?? , 1ma ? i o ? 10 0 ma | v o load regulation 4 3 0 m v t j = 25 ?? , 1ma ? i o ? 4 0 ma i q quiescent current 2.3 6.0 ma t j = 25 ?? 1.5 8v ? v in ? 20v, i o = 4 0 m a | i q quiescent current change 0.1 m a v in =1 0v, 1ma ? i o ? 40 ma v n outpu t noise voltage 45 12 0 | v t j = 25 ?? ,10hz ? f ? 10 0 khz rr ripple rejection 55 75 db t j = 25 ?? , 8v ? v in ? 18v, f=120hz v d dropout voltage 1.7 v t j = 25 ?? i sc short circuit current 88 ma t j = 25 ?? , v in =2 0v i pk peak current 125 160 205 ma t j = 25 ?? | v o / | t temperature coeff icient of v o 0.4 m v/ ?? i o =5ma input output gnd H78L05
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