s m d ty p e w w w . k e x i n . c o m . c n 1 m osf e t p - ch an n el m osf et a o 4437 ( k o 4 4 3 7 ) f e a tu r e s v d s ( v ) = - 1 2 v i d = - 1 1 a ( v g s = - 4 . 5 v ) r d s ( o n ) 1 6 m ( v g s = - 4 . 5 v ) r d s ( o n ) 2 0 m ( v g s = - 2 . 5 v ) r d s ( o n ) 2 5 m ( v g s = - 1 . 8 v ) e s d r a t i n g : 4 k v h b m sop -8 0.21 +0.04 -0.02 1.50 0.15 1 source 2 source 3 source 4 gate 5 drain 6 drain 7 drain 8 drain d s g a b s o l u te m a x i m u m ra ti n g s t a = 2 5 s y m b o l r a t i n g u n i t v d s - 1 2 v g s 8 t a = 2 5 c - 1 1 t a = 7 0 c - 9 i d m - 2 0 t a = 2 5 c 3 t a = 7 0 c 2 . 1 t 1 0 s 4 0 s t e a d y - s t a t e 7 5 r t h jl 3 0 t j 1 5 0 t st g - 5 5 t o 1 5 0 v / w p o w e r d i s s i p a t i o n 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 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 - l e a d j u n c t i o n t e m p e r a t u r e j u n c t i o n s t o r a g e t e m p e r a t u r e r a n g e r t h ja p d p a r a m e t e r d r a i n - s o u r c e v o l t a g e g a t e - s o u r c e v o l t a g e c o n t i n u o u s d r a i n c u r r e n t w p u l s e d d r a i n c u r r e n t a i d
s m d ty p e w w w . k exi n . co m . c n 2 m osf e t p - ch an n el m osf et a o 4437 ( k o 4 4 3 7 ) 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 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 d r a i n - s o u r c e b r e a k d o w n v o l t a g e v d s s i d = - 2 5 0 a , v g s = 0 v - 1 2 v v d s = - 9 . 6 v , v g s = 0 v - 1 v d s = - 9 . 6 v , v g s = 0 v , t j = 5 5 - 5 v d s = 0 v , v g s = 4 . 5 v 1 v d s = 0 v , v g s = 8 v 1 0 g a t e t h r e s h o l d v o l t a g e v g s ( t h ) v d s = v g s , i d = - 2 5 0 a - 0 . 3 - 1 v v g s = - 4 . 5 v , i d = - 1 1 a 1 6 v g s = - 4 . 5 v , i d = - 1 1 a t j = 1 2 5 2 1 v g s = - 2 . 5 v , i d = - 1 0 a 2 0 v g s = - 1 . 8 v , i d = - 6 a 2 5 o n s t a t e d r a i n c u r r e n t i d ( o n ) v g s = - 4 . 5 v , v d s = - 5 v - 2 0 a f o r w a r d t r a n s c o n d u c t a n c e g f s v d s = - 5 v , i d = - 1 1 a 3 8 s i n p u t c a p a c i t a n c e c i ss 3 9 6 0 4 7 5 0 o u t p u t c a p a c i t a n c e c o ss 9 1 0 r e v e r s e t r a n s f e r c a p a c i t a n c e c r ss 7 5 7 g a t e r e s i s t a n c e r g v g s = 0 v , v d s = 0 v , f = 1 m h z 6 . 9 8 . 5 t o t a l g a t e c h a r g e q g 3 7 4 7 g a t e s o u r c e c h a r g e q g s 4 . 5 g a t e d r a i n c h a r g e q g d 1 1 t u r n - o n d e l a y t i m e t d ( o n ) 1 5 t u r n - o n r i s e t i m e t r 4 3 t u r n - o f f d e l a y t i m e t d ( o f f ) 1 5 8 t u r n - o f f f a l l t i m e t f 9 5 b o d y d i o d e r e v e r s e r e c o v e r y t i m e t r r 6 4 b o d y d i o d e r e v e r s e r e c o v e r y c h a r g e q r r 5 0 n c m a x i m u m b o d y - d i o d e c o n t i n u o u s c u r r e n t i s - 4 . 5 a d i o d e f o r w a r d v o l t a g e v s d i s = - 1 a , v g s = 0 v - 1 v z e r o g a t e v o l t a g e d r a i n c u r r e n t i d s s u a m r d s ( o n ) s t a t i c d r a i n - s o u r c e o n - r e s i s t a n c e g a t e - b o d y l e a k a g e c u r r e n t i g s s u a n s v g s = - 4 . 5 v , v d s = - 6 v , r l = 0 . 5 5 , r g e n = 3 i f = - 1 1 a , d i / d t = 1 0 0 a / u s v g s = 0 v , v d s = - 6 v , f = 1 m h z v g s = - 4 . 5 v , v d s = - 6 v , i d = - 1 1 a p f n c n o t e : t h e s t a t i c c h a r a c t e r i s t i c s i n f i g u r e s 1 t o 6 a r e o b t a i n e d u s i n g < 3 0 0 s p u l s e s , d u t y c y c l e 0 . 5 % m a x . m a r k i n g 4 4 3 7 k c * * * * m a r k i n g
s m d ty p e w w w . k e x i n . c o m . c n 3 m os f e t p - ch an n el m osf et a o 4437 ( k o 4 4 3 7 ) t y p i c a l ch a r a c te r i s i ti c s 0 2 4 6 8 10 0.2 0.4 0.6 0.8 1 1.2 1.4 -v gs (volts) figure 2: transfer characteristics - i d ( a ) 10 15 20 25 30 0 2 4 6 8 10 -i d (a) figure 3: on-resistance vs. drain current and gate voltage r d s(o n ) ( m ? ) 1e-05 1e-04 1e-03 1e-02 1e-01 1e+00 1e+01 0.0 0.2 0.4 0.6 0.8 1.0 -v sd (volts) figure 6: body-diode characteristics - i s ( a ) 25c 125c 0.8 1.0 1.2 1.4 0 25 50 75 100 125 150 175 temperature (c) figure 4: on-resistance vs. junction temperature n o r m a li z e d o n - r es i s t a n c e i d =-6a, v gs =-1.8v i d =-10a, v gs =-2.5v i d =-11a, v gs =-4.5v 0 5 10 15 20 25 30 35 40 0 2 4 6 8 -v gs (volts) figure 5: on-resistance vs. gate-source voltage r d s(o n ) ( m ? ) i d =-11a 25c 125c 25c 125c v ds =-5v v gs =-1.8v v gs =-2.5v v gs =-4.5v 0 5 10 15 20 0 0.2 0.4 0.6 0.8 1 -v ds (volts) fig 1: on-region characteristics - i d ( a ) v gs =-1.0v -1.5v -2.0v -8.0v
s m d ty p e w w w . k exi n . co m . c n 4 m osfe t . p - ch an n el m osf et a o 4437 ( k o 4 4 3 7 ) t y p i c a l ch a r a c te r i s i ti c s 0 . 00 e + 0 0 1 . 00 e + 0 0 2 . 00 e + 0 0 3 . 00 e + 0 0 4 . 00 e + 0 0 5 . 00 e + 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 - q g ( nc ) fi gur e 7 : g a t e - c ha r ge c ha r ac t e r i s t i c s - v g s ( v ol t s ) 0 80 0 160 0 240 0 320 0 400 0 480 0 560 0 640 0 0 5 1 0 1 5 2 0 - v ds ( v ol t s ) fi gur e 8 : c a p ac i t a n ce c ha r ac t e r i s t i c s c a pa c i t a n ce ( pf) c i s s c o s s c r s s 0 1 0 2 0 3 0 4 0 0 . 00 1 0 . 0 1 0 . 1 1 1 0 10 0 100 0 p ul se w i dt h ( s ) fi gur e 10 : s i ngl e p ul se p ow e r r a t i ng j unc t i on -t o- a m bi e nt ( n ot e e ) p ow e r (w ) 0 . 0 1 0 . 1 1 1 0 0 . 0000 1 0 . 000 1 0 . 00 1 0 . 0 1 0 . 1 1 1 0 10 0 1 0 0 0 p ul se w i dt h ( s ) fi gur e 11 : n or m a li z e d m ax im u m t r a ns i e nt t he r m a l im p e da nc e z j a n or m a li z e d tr a ns i e nt the r m a l r es i s t a nc e s i ng l e p u l s e d = t o n / t t j , p k = t a + p dm . z j a . r j a r j a = 90 c / w t o n t p d i n de sc end i ng o r de r d = 0 . 5 , 0 . 3 , 0 . 1 , 0 . 05 , 0 . 02 , 0 . 01 , s i ng l e pu l s e 0 . 1 1 . 0 10 . 0 100 . 0 0 . 1 1 1 0 10 0 - v ds ( v ol t s ) - i d ( a m ps ) fi gur e 9 : m ax im u m for w a r d b i ase d s a f e o pe r a t i ng a r ea ( n ot e e ) 10 0 s 10 m s 1 m s 0 . 1 s 1 s 10 s d c r ds ( o n) li m i t e d t j ( m a x ) = 150 c t a = 25 c 1 0 s v ds = - 6 v i d = - 11 a t j ( m a x ) = 150 c t a = 25 c
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