s m d ty p e w w w . k e x i n . c o m . c n 1 i c l o w p o w er co n su m p t io n , cm o s l do f e a tu r e s q u i e s c e n t c u r r e n t : 3 a t y p . i n p u t v o l t a g e : 2 . 3 v ~ 5 . 5 v o u t p u t v o l t a g e : 1 . 2 v ~ 3 . 3 v o u t p u t c u r r e n t : 2 5 0 m a @ v o u t > 2 v o u t p u t c u r r e n t : 1 0 0 m a @ v o u t 2 v d r o p o u t v o l t a g e : 1 0 0 m v @ 1 0 0 m a r e c o m m e n d c a p a c i t o r : 1 u f 0.4 +0.1 -0.1 2.9 +0.1 -0.1 0.95 +0.1 -0.1 1.9 +0.1 -0.1 2.4 +0.1 -0.1 1.3 +0.1 -0.1 0-0.1 0.38 +0.1 -0.1 0.97 +0.1 -0.1 0.55 0.4 1.gnd 2.vout 3.vin 1 2 3 unit: mm sot-23 0.1 +0.05 -0.01 v ref vin vout a b s o l u te m a x i m u m ra ti n g s t a = 2 5 w l 2805n series -hf p a r a m e t e r s y m b o l r a t i n g u n i t i n p u t v o l t a g e r a n g e v i n - 0 . 3 t o 6 i n p u t v o l t a g e v i n 2 . 3 t o 5 . 5 v e n r a n g e v e n - 0 . 3 t o v i n o u t p u t v o l t a g e r a n g e v o u t - 0 . 3 t o v i n p o w e r d i s s i p a t i o n p g m 3 0 0 m w t h e r m a l r e s i s t a n c e j u n c t i o n t o a m b i e n t r t h ja 4 1 7 / w l e a d t e m p e r a t u r e t l 2 6 0 o p e r a t i n g t e m p e r a t u r e r a n g e t o p r - 4 0 t o 8 5 j u n c t i o n t e m p e r a t u r e t j 1 5 0 s t o r a g e t e m p e r a t u r e r a n g e t st g - 5 5 t o 1 5 0 v p b ? f r e e p a c k a g e m a y b e a v a i l a b l e . t h e g ? s u f f i x d e n o t e s a p b ? f r e e l e a d f i n i s h
s m d ty p e w w w . k e x i n . c o m . c n 2 i c l o w p o w er co n su m p t io n , cm o s l do e l e c tr i c a l ch a r a c te r i s ti c s (v i n = v o u t + 1 v, c i n = c o u t = 1 u f , t a = 2 5 c , u n l e s s o t h e rw i s e n o t e d ) p a r a m e t e r s y m b o l t e s t c o n d i t i o n s m i n t y p . m a x u n i t 1 . 1 7 1 . 2 1 . 2 3 1 . 2 7 1 . 3 1 . 3 3 1 . 4 7 1 . 5 1 . 5 3 1 . 7 6 4 1 . 8 1 . 8 3 6 2 . 4 5 2 . 5 2 . 5 5 2 . 7 4 4 2 . 8 2 . 8 5 6 2 . 9 4 3 3 . 0 6 3 . 2 3 4 3 . 3 3 . 3 6 6 i o u t = 3 0 m a , v o u t = 3 v 3 0 1 0 0 i o u t = 1 0 0 m a , v o u t = 3 v 1 0 0 2 0 0 l o a d r e g u l a t i o n v l o a d i o u t = 1 ~ 1 0 0 m a 2 5 l i n e r e g u l a t i o n v l i n e v i n = v o u t + 1 v ~ 6 v , i o u t = 4 0 m a 0 . 1 % / v v o u t > 2 v 2 5 0 v o u t 2 v 1 0 0 o u t p u t s h o r t c u r r e n t l i m i t e r i l i m v o u t = g n d 1 5 0 q u i e s c e n t c u r r e n t i q v i n = v o u t + 1 v , i o u t = 0 a 3 5 u a v p - p = 1 v , f = 1 0 0 h z , i o u t = 1 0 m a - 5 0 v p - p = 1 v , f = 1 k h z , i o u t = 1 0 m a - 3 0 m a p o w e r s u p p l y r i p p l e r e j e c t i o n p s r r d b o u t p u t v o l t a g e v o u t v i n = v o u t + 1 v , i o u t = 1 m a v d r o p o u t v o l t a g e v d r o p m v o u t p u t c u r r e n t i o u t h f e cl a s s i f i c a ti o n m a rk i n g t y p i c a l a p p l i c a ti o n s 1 2 3 vin 1uf vout 1 uf w l 2805n series -hf n o w l 2 8 0 5 n 1 2 - h f w l 2 8 0 5 n 1 3 - h f w l 2 8 0 5 n 1 5 - h f w l 2 8 0 5 n 1 8 - h f m a r k i n g f 1 2 f * f 1 3 f * f 1 5 f * f 1 8 f * n o w l 2 8 0 5 n 2 5 - h f w l 2 8 0 5 n 2 8 - h f w l 2 8 0 5 n 3 0 - h f w l 2 8 0 5 n 3 3 - h f m a r k i n g f 2 5 f * f 2 8 f * f 3 0 f * f 3 3 f * w l 2 8 0 5 n 1 2 - h f w l 2 8 0 5 n 1 3 - h f w l 2 8 0 5 n 1 5 - h f w l 2 8 0 5 n 1 8 - h f w l 2 8 0 5 n 2 5 - h f w l 2 8 0 5 n 2 8 - h f w l 2 8 0 5 n 3 0 - h f w l 2 8 0 5 n 3 3 - h f
s m d ty p e w w w . k e x i n . c o m . c n 3 i c l o w p o w er co n su m p t io n , cm o s l do t y p i c a l ch a r a c te r i s i ti c s q u ies ce n t cu r r ent v s. inp u t v o lt age o u t p u t v o lt age v s. inp u t v o lt age drop o u t v o lt age v s. o u t p u t cu r r ent q u ies ce n t cu r r ent v s. inp u t v o lt age o u t p u t v o lt age v s. inp u t v o lt age drop o u t v o lt age v s. o u t p u t cu r r ent 0 1 2 3 4 5 6 0 3 6 9 1 2 1 5 v o u t = 3 .0 v q u ie s c e n t c u r r e n t ( u a ) i n p u t v o lt a g e ( v ) 0 1 2 3 4 5 6 0 3 6 9 1 2 1 5 q u ie s c e n t c u r r e n t ( u a ) i n p u t v o lt a g e ( v ) v o u t = 3 .3 v 0 1 2 3 4 5 6 0 1 2 3 4 5 v out =3.0v i out =100ma out p ut vo lta g e (v) inp ut vo lta ge (v) 0 1 2 3 4 5 6 0 1 2 3 4 5 v out =3.3v i out =100ma outp ut vo lt a g e (v) inp ut vo lta ge (v) 0 50 100 150 200 250 300 0 50 100 150 200 250 300 v out =3.0v dro po ut vo lta ge (v) outp ut c urr en t (ma) 0 50 100 150 200 250 300 0 50 100 150 200 250 300 v out =3.3v dro p o ut v o lta g e (v) outp ut c urr en t (ma) w l 2805n series -hf
s m d ty p e w w w . k e x i n . c o m . c n 4 i c . l o w p o w er co n su m p t io n , cm o s l do t y p i c a l ch a r a c te r i s i ti c s o u t p u t s h o r t p r o t ec t ion o u t p u t v o lt age v s. t emp e r atu r e p s r r v s. f r equ enc y o u t p u t s h o r t p r o t ec t ion o u t p u t v o lt age v s. t emp e r atu r e p s r r v s. f r equ enc y 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 0 . 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 3 . 5 v o u t = 3 . 0 v 8 5 o c 2 5 o c ou t p u t v o l t a g e ( v ) ou t p u t c u r r e n t ( m a ) - 4 0 o c 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 0 . 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 3 . 5 v o u t = 3 . 3 v 8 5 o c 2 5 o c ou t p u t v o lt a g e ( v ) ou t p u t c u r r e n t ( m a ) - 4 0 o c - 5 0 - 2 5 0 2 5 5 0 7 5 10 0 12 5 2. 9 5 2. 9 6 2. 9 7 2. 9 8 2. 9 9 3. 0 0 3. 0 1 3. 0 2 v out =3. 0v io =100 m a io =40m a o utput voltage (v) t em peratur e ( o c) io =1m a - 5 0 - 2 5 0 2 5 5 0 7 5 10 0 12 5 3. 2 5 3. 2 6 3. 2 7 3. 2 8 3. 2 9 3. 3 0 3. 3 1 3. 3 2 3. 3 3 v out =3. 3v io =100 m a io =40m a o utput voltage (v) t em peratur e ( o c) io =1m a 1 0 1 0 0 1 0 0 0 10 0 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 p s r r ( d b ) f r equ e n c y ( h z ) v i n = 4 . 0 v v i n _ r i p p l e = 1 v p - p v o u t = 3 .0 v i o u t = 1 m a 1 0 1 0 0 1 0 0 0 10 0 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 v i n = 4 . 3 v v i n - r i p p l e = 1 v p - p v o u t = 3 .3 v i o u t = 1 m a p s r r ( d b ) f r eque n c y ( h z ) w l 2805n series -hf
s m d ty p e w w w . k e x i n . c o m . c n 5 i c l o w p o w er co n su m p t io n , cm o s l do t y p i c a l ch a r a c te r i s i ti c s p s r r v s. f r equ enc y p s r r v s. f r equ enc y 1 0 1 0 0 1 0 0 0 10 0 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 v i n = 4 . 0 v v i n _ r i p p l e = 1 v p - p v o u t = 3 .0 v i o u t = 1 0 m a p s r r ( d b ) f r eque n c y ( h z ) 1 0 1 0 0 1 0 0 0 10 0 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 v i n = 4 . 3 v v i n _ r i p p l e = 1 v p - p v o u t = 3 .3 v i o u t = 1 0 m a p s r r ( d b ) f r eque n c y ( h z ) w l 2805n series -hf
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