weitron http://www .weitron.com.tw WTK4224 surface mount dual n-channel d1 8 7 6 5 1 2 3 4 d1 d2 d2 s1 g1 s2 g2 so-8 drain current 10 amperes 1 featur es: *sup er high dense c ell design f or lo w r ds(on) *dual n mosfet package *simple drive requirement *so-8 package r ds(on) <14 m @v gs = 10v enhancement mode mosfet r ds(on) <2 0m @v gs = 4.5v 1/ 5 07-apr-10 rating symbol v alue unite v ds v gs i d i dm p d r ja op er a ting j unc tion and s t or age t emp er a tur e r ange t j , t st g -55 t o 150 c v v a w c/w d r ain-s our c e v oltage g a t e-s our c e v oltage c on tinuous d r ain c ur r en t (t a =25?c) p ulsed d r ain c ur r en t p o w er d issipa tion m aximax j unc tion-t o-a mbien t maximum ratings ( t a=25 c u nless o ther wise s p ecified) device marking WTK4224=4224ss 30 20 10 a 8 30 2 62.5 - + (t a =70?c) (t a =25?c) (2) (1) (1) (1) 30 voltage drain source voltage l e a d( p b)- f r ee p b
WTK4224 weitron http://www.weitron.com.tw 2/5 07-apr-10 e l e c t r i c a l c h a r a c t e r i s t i c s ( t j = 2 5 u n l e s s o t h e r w i s e s p e c i f i e d ) pa r a m e te r sy m b o l m i n . t y p . m a x . u n i t t e s t c o n d i ti o n s d ra i n -so u rce bre a kd o w n v o l t a g e bv d ss 3 0 - - v v g s = 0 , i d = 2 5 0 u a br e a k d o w n v o l t a g e t e m p e r a t u r e c o e f f i c i e n t ? bv d ss / ? t j - 0 . 0 3 - v/ : r e f e re n ce t o 2 5 : , i d = 1 m a g a t e t h re s h o l d v o l t a g e v g s(t h ) 1 . 0 - 3 . 0 v v d s = v g s , i d = 2 5 0 u a f o rw a rd t ra n s co n d u ct a n ce g f s - 1 6 - s v d s = 1 0 v , i d = 1 0 a g a t e -so u rce l e a ka g e c u rre n t i g ss - - d 1 0 0 n a v g s = d 2 0 v d r a i n - s o u r ce l e a ka g e c u r r e n t ( t j = 2 5 : ) - - 1 u a v d s = 3 0 v , v g s = 0 d r a i n - s o u r ce l e a ka g e c u r r e n t ( t j = 7 0 : ) i d ss - - 2 5 u a v d s = 2 4 v , v g s = 0 - - 1 4 v g s = 1 0 v , i d = 1 0 a s t a t i c d ra i n - so u rce o n -r e s i s t a n ce 2 r d s(o n ) - - 2 0 m v g s = 4 . 5 v , i d = 7 a t o t a l g a t e c h a rg e 2 q g - 2 3 1 5 g a t e -so u rce c h a rg e q g s - 6 - g a t e -d ra i n (m i l l e r) c h a n g e q g d - 1 4 - n c i d = 1 0 a v d s = 2 4 v v g s = 4 . 5 v t u rn -o n d e l a y t i m e 2 t d ( o n ) - 1 2 - r i s e t i m e t r - 8 - t u rn -o f f d e l a y t i m e t d ( o f f ) - 3 4 - f a l l t i m e t f - 1 6 - n s v d s = 1 5 v i d = 1 a v g s = 1 0 v r g = 3 . 3 r d = 1 5 i n p u t c a p a ci t a n ce c i s s - 1 9 1 0 3 0 7 0 o u t p u t c a p a ci t a n ce c o s s - 4 0 0 - r e v e rs e t ra n s f e r c a p a ci t a n ce c rs s - 2 8 0 - p f v g s = 0 v v d s = 2 5 v f = 1 . 0 m h z g a t e r e s i s t a n ce r g - 0 . 9 - f = 1 . 0 m h z s o u r c e - d r a i n d i o d e pa r a m e te r sy m b o l m i n . t y p . m a x . u n i t t e s t c o n d i ti o n s f o rw a rd o n v o l t a g e 2 v sd - - 1 . 2 v i s = 1 . 7 a , v g s = 0 v , t j = 2 5 : r e v e rs e r e co v e ry t i m e 2 t rr - 3 0 - n s r e v e rs e r e co v e ry c h a rg e q rr - 2 4 - n c i s = 1 0 a, v g s = 0 v d i / d t = 1 0 0 a/ s n o t e s : 1 . pu l s e w i d t h l i m i t e d b y m a x. j u n ct i o n t e m p e ra t u re . 2 . pu l s e w i d t h 3 0 0 u s , d u t y cyc l e 2 % . 3 . su r f a ce m o u n t e d o n 1 i n 2 co p p e r p a d o f f r 4 b o a rd ; 1 3 5 : / w w h e n m o u n t e d o n m i n . co p p e r p a d .
WTK4224 w e i t r o n weitron http://www .weitron.com.tw 3/5 07-apr-10 characteristics curve fig 1. typical output characteristics fig 2. typical output characteristics fig 3. on-resistance v.s. gate voltage fig 4. normalized on-resistance v.s. junction temperature fig 5. forward characteristics of fig 6. gate threshold voltage v.s. reverse diode junction temperature
weitron http://www .weitron.com.tw WTK4224 w e i t r o n 4/5 07-apr-10 f i g 7. g a t e c h ar ge c h ar ac t e r i s t i c s f i g 8. t yp i c al c ap ac i t an c e c h ar ac t e r i s t i c s f i g 9. m ax i m u m s af e o p e r at i n g a r e a f i g 10. e f f e c t i ve t r an s i e n t t h e r m a l i m p e d an c e f i g 1 1. s w i t c h i n g t i m e w ave f o r m f i g 12. g a t e c h ar ge w ave f o r m
weitron http://www .weitron.com.tw WTK4224 5/5 07-apr-10 so-8 package outline dimensions u nit:mm 1 (4x) b eb e1 l 7(4x) a 2 1 a a c symbols min 1 . 3 5 0 . 1 0 0 . 3 5 0 . 1 8 4 . 6 9 3 . 5 6 5 . 7 0 1 . 2 7 b s c 0 . 6 0 0 max 1 . 7 5 0 . 2 0 0 . 4 5 0 . 2 3 4 . 9 8 4 . 0 6 6 . 3 0 0 . 8 0 8 millimeters a a 1 b c d e 1 e b e l 7 d e
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