s m d ty p e w w w . k e x i n . c o m . c n 1 i c a d ju st ab le a ccu r at e ref er en ce s o u r ce f e a tu r e s t h e o u t p u t v o l t a g e c a n b e a d j u s t e d t o 3 6 v l o w d y n a m i c o u t p u t i m p e d a n c e , i t s t y p i c a l v a l u e i s 0 . 2 t r a p p i n g c u r r e n t c a p a b i l i t y i s 1 t o 1 0 0 m a l o w o u t p u t n o i s e v o l t a g e f a s t o n - s t a t e r e s p o n s e 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.reference 2.cathode 3.anode 1 2 3 unit: mm sot-23 0.1 +0.05 -0.01 a b s o l u te m a x i m u m ra ti n g s t a = 2 5 e l e c tr i c a l ch a r a c te r i s ti c s t a = 2 5 u n l e s s o th e r w i s e s p e c i f i e d 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 c a t h o d e v o l t a g e v k a 3 7 v c a t h o d e c u r r e n t r a n g e ( c o n t i n u o u s ) i k a - 1 0 0 ~ + 1 5 0 r e f e r e n c e i n p u t c u r r e n t r a n g e i r e f 0 . 0 5 ~ + 1 0 m a x i m u m p o w e r d i s s i p a t i o n p d 3 0 0 m w t h e r m a l r e s i s t a n c e f r o m j u n t i o n t o a m b i e n t r ja 4 1 7 / w o p e r a t i n g j u n c t i o n t e m p e r a t u r e t j 1 5 0 o p e r a t i n g j u n c t i o n t e m p e r a t u r e r a n g e t o p r 0 ~ 7 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 - 6 5 ~ 1 5 0 m a p a r a m e t e r s y m b o l m i n t y p m a x u n i t 2 . 4 4 5 2 . 5 4 5 0 . 5 % 2 . 4 8 2 2 . 5 0 8 1 % 2 . 4 7 2 . 5 2 d e v i a t i o n o f r e f e r e n c e i n p u t v o l t a g e o v e r t e m p e r a t u r e ( f i g . 1 ) t m i n = 0 , t m a x = + 7 0 r a t i o o f c h a n g e i n r e f e r e n c e l n p u t v o l t a g e v k a = v r e f ~ 1 0 v - 1 . 0 - 2 . 7 t o t h e c h a n g e i n c a t h o d e v o l t a g e ( f i g . 2 ) v k a = 1 0 v ~ 3 6 v - 0 . 5 - 2 . 0 r e f e r e n c e i n p u t c u r r e n t i r e f 1 . 5 4 m i n m u m c a t h o d e c u r r e n t f o r r e g u l a t i o n ( f i g . 1 ) i k a ( m i n ) 0 . 4 5 1 . 0 m a o f f - s t a t e c a t h o d e c u r r e n t ( f i g . 3 ) i k a ( o f f ) 0 . 0 5 0 . 5 u a d y n a m i c i m p e d a n c e z k a 0 . 1 5 0 . 5 v 2 . 4 9 5 v k a = v r e f , i k a = 1 t o 1 0 0 m a , f 1 . 0 k h z v k a = v r e f , i k a = 1 0 m a t e s t c o n d i t i o n s r e f e r e n c e i n p u t v o l t a g e ( f i g . 1 ) v r e f r a n k i r e f / t v k a = v r e f v k a = 4 0 v , v r e f = 0 v r e f / t 4 . 5 1 7 m v v k a = v r e f , i k a = 1 0 m a t m i n t a t m a x v r e f / v k a i k a = 1 0 m a m v / v 0 . 4 1 . 2 u a i k a = 1 0 m a , r 1 = 1 0 k , r 2 = i k a = 1 0 m a , r 1 = 1 0 k , r 2 = t a = f u l l t e m p e r a t u r e t l 431k ( k l4 3 1 k ) deviation of renference input current over full t emperatuure range(fig.2) mar k ing m ar k i ng 431
s m d ty p e w w w . k e x i n . c o m . c n 2 i c t y p i c a l ch a r a c te r i s i ti c s - 2 - 1 0 1 2 3 - 1 0 0 - 5 0 0 5 0 1 0 0 1 5 0 - 4 0 - 2 0 0 2 0 4 0 6 0 8 0 1 0 0 2 3 5 0 2 4 0 0 2 4 5 0 2 5 0 0 2 5 5 0 2 6 0 0 - 1 0 1 2 3 - 2 0 0 0 2 0 0 4 0 0 6 0 0 8 0 0 v k a =v r e f t a =2 5 c a t h o d e c u r r e n t v e r s u s c a t h o d e v o l t a g e v k a , c a t ho de v o l t a g e ( v ) i k , c ath o d e cur r en t ( m a ) v k a =v r e f i k = 1 0 m a r e f e r e n c e i n p u t v o l t a g e v e r s u s a m b i e n t t e m p e r a t u r e v r e f , r e f e r e n c e i n p u t v o l t a g e ( m v ) t a , a m bie n t t e m pe r a t u r e ( ) v k a =v r e f t a =2 5 c a t h o d e c u r r e n t v e r s u s c a t h o d e v o l t a g e i k , c at h od e cur r en t ( u a ) v k a , c a t ho de v o l t a g e ( v ) i k a ( m i n ) ka ka ref t e st c i rc ui t for v k a = v re f a d ju st ab le a ccu r at e ref er en ce s o u r ce t l 431k ( k l4 3 1 k )
s m d ty p e w w w . k e x i n . c o m . c n 3 i c a d ju st ab le a ccu r at e ref er en ce s o u r ce t l 431k ( kl 431k ) t y p i c a l ch a r a c te r i s i ti c s - 4 0 - 2 0 0 2 0 4 0 6 0 8 0 1 0 0 0 1 0 2 0 3 0 4 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 - 2 0 - 1 6 - 1 2 - 8 - 4 0 - 4 0 - 2 0 0 2 0 4 0 6 0 8 0 1 0 0 0 . 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 v k a = 3 6 v v r e f =0 v o ff - s t a t e c a t ho d e c u r r e n t v e rs u s a m b i e n t t e m p er a t u r e t a , a m bie n t t e m pe r a t ur e ( ) i o f f , off-state c ath o d e cur r en t ( n a) i k = 1 0 m a t a =2 5 c h a n g e i n r e f e r e n c e i np u t v o l t a g e v e r s u s c a t ho d e v o l t a g e v r e f , r e f e r e nc e i n p u t v o l t a g e ( m v ) v k a , c a t ho de v o l t a g e ( v ) i k = 1 0 m a r 1 = 1 0 k ? r e f e r e n c e i np u t c u r r e n t v e r s u s a m b i e n t t e m p e r a t u r e t a , a m bie n t t e m pe r a t ur e ( ) i r e f , r efer e nc e in pu t curr en t (u a ) t e st ci rc ui t fo r v k a = v re f ( 1+r1/r2 ) +r1*i re f t e st ci r cui t for i re f t e st ci rc ui t for i of f
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