23213 3 - terminal fixed vol t age regula t or H78L08 shantou huashan electronic devices co.,ltd . ? description h78l0 8 is th e t h r ee te rm in al p o s i t i v e re gu la to rs w i t h si ngl e c h ip , a n d i n a wid e ra ng e of ap pl ic at ion s ? it s u p p l i e s f ix ed ou tp u t vo lt ag es of 8v , de li ve r o v e r 10 0m a o u t p u t cu rr en t , a n d em pl oy s i n t e r n a l cur re nt l i m iti ng , th er mal s h u t do wn an d sa fe op er at in g area protection, making it essentially indestructible. 1 d output 2 d gnd 3 d input t o -92 ? featur es o u tput current up to 100m a low noise h i gh ripple rejection pow e r a m plify o u tput protection therm a l overload protection current o v erload protection and short circuit protection ? absolute maximum ratings ? t a =25 ??? v in ?a?a input v o ltage ?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?- 30v p d ?a?a pow e r of d i ssipation ?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?- 700m w t am b ?a?a operating t e m p erature range ?-?-?-?-?-?-?-?-?-?-?-?- -20~85 ?? t stg ?a?a s t orage t e m p erature range ?-?-?-?-?-?-?-?-?-?-?-?-?- -55~150 ?? t j ?a?a junction t e m p erature ?-?-?-?-?-?-?-?-?-?-?-?-?-?-?-?- -55~150 ?? r th ?a?a therm a l resis t ance ? jun c ti on to e n viro n m ent ? ?-?-?-?-?-?-?- 18 0 ?? /w ? internal block diagram soa protection therm a l protection circuit error am plifier reference v o ltage s t arting circuit series bypass elem ent current generator gnd 2 output 1 input 3
23213 3 - terminal fixed vol t age regula t or H78L08 shantou huashan electronic devices co.,ltd . ? t y pical application h 78l08 gnd output input ? electrical characteristics ? u nless otherwise specified, v in =14v,i o =40ma,0 ??? t j ? 125 ?? ,c in =0.33 | f,c out =0.1 | f ? symbol p a r a m e t e r m i n . t y p . m a x . u n i t c o n d i t i o n s 7 . 7 0 8 . 0 8 . 3 t j =25 ?? 7 . 7 0 8 . 3 10.5v ? v in ? 23v,1ma ? i o ? 40ma v o o u t p u t v o l t a g e 7 . 7 0 8 . 3 v v in =14v,1ma ? i o ? 70ma 1 0 1 7 5 t j =25 ?? , 10.5v ? v in ? 23v | v o l i n e r e g u l a t i o n 6 1 2 5 mv t j =25 ?? , 11v ? v in ? 23v 1 4 8 0 t j =25 ?? ,1ma ? i o ? 100ma | v o l o a d r e g u l a t i o n 6 4 0 mv t j =25 ?? ,1ma ? i o ? 40ma i q qu ie sc en t current 2 . 4 5 . 5 m a t j =25 ?? 1 . 5 12v ? v in ? 23v, i o =40ma | i q qu ie sc en t current change 0 . 1 ma v in =14v,1ma ? i o ? 40ma v n ou tp ut no is e voltage 8 5 1 9 0 | v t j =25 ?? ,10hz ? f ? 100khz r r r i pp le re je ct io n 5 1 7 3 d b t j =25 ?? ,12v ? v in ? 22v, f=120hz v d d r o p o u t v o l t a g e 1 . 7 v t j =25 ?? i sc sh or t ci rc ui t current 8 0 m a t j =25 ?? , v in =23v i pk peak current 1 2 5 1 6 0 2 0 5 m a t j =25 ?? | v o / | t te mp er at ur e co ef fi ci en t of v o 0 . 6 mv/ ?? i o =5ma
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