page . 1 stad-feb.06.2009 LS4448 features ? fast switching speed. surface mount package ideally suited for automatic insertion. silicon epitaxal planar construction. in compliance with eu rohs 2002/95/ec directives mechanical data case: quadrd, melf terminals: solderable per mil-std-750, method 2026 polarity: cathode band marking: cathode band only weight: 0.03 grams(approx) .020(0.5) .063(1.6) .055(1.4)dia. .020(0.5) .067(1.7) .012(0.3) .012(0.3) .130(3.3) .146(3.7) unit : inch (mm) quadro-melf maximum ratings and electrical characteristics (t j =25c unless otherwise noted) r e t e m a r a p l o b m y s 8 4 4 4 s l s t i n u e g a t l o v e s r e v e r k a e p v rm 0 0 1 v e g a t l o v g n i k c o l b c d m u m i x a m v dc 5 7 v 5 2 = a t t a t n e r r u c d r a w r o f e g a r e v a m u m i x a m o f d n a c> z h 0 5 i av 0 5 1 a m 5 2 = = j t d n a s 1 < t t a t n e r r u c d r a w r o f e g r u s o c i fsm 0 0 5 a m 5 2 = b m a t t a n o i t a p i s s i d r e w o p o c p tot 0 0 5 w m i t a e g a t l o v d r a w r o f m u m i x a m f a m 0 0 1 = v f 0 . 1 v t n e r r u c e g a k a e l m u m i x a m v t a r v 0 2 = v t a r t , v 0 2 = j 0 5 1 = o c i r 0 3 0 5 a n a v t a e c n a t i c a p a c m u m i x a m f v = r 0 = c j 4 f p m o r f e m i t y r e v o c e r e s r e v e r m u m i x a m i f i - = r i o t a m 0 1 = r r v , a m 1 - = r v 6 =r l 0 0 1 = ? t r r 4 s n e c n a t s i s e r l a m r e h t m u m i x a m l a c i p y t r a j 0 5 3 o w / c e g n a r e r u t a r e p m e t e g a r o t s d n a e r u t a r e p m e t n o i t c n u j t j ,t s 5 7 1 + o t 5 6 - o c fast switching surface mount diodes voltage 100 volts power 500 mw note: 1. cj at v r =0, f=1mhz 2. from i f =10ma to i r =1ma, v r =6volts, r l =100 ?
page . 2 stad-feb.06.2009 LS4448 rectification effciency measurement circuit typical capaticance leakage current forward voltage 100 0.2 0.4 0.6 0.8 1.0 1.2 10 1.0 0.1 10 0 1.0 0.1 0.01 0.001 10 20 30 40 50 6.0 0 4.5 3.5 1.5 0 246 8 forward current ,ma forward voltage, volts reverse current ,a m reverse voltage, volts t =150 c a o t =125 c a o t=85c a o t=55c a o t=25c a o diode cap acitance, pf reverse voltage, volts 5k w vo 2nf v=2v rf 60 w
page . 3 stad-feb.06.2009 mounting pad layout ? packing information t/r - 10k per 13" plastic reel t/r - 2.5k per 7" plastic reel order information legal statement copyright panjit international, inc 2009 the information presented in this document is believed to be accurate and reliable. the specifications and information herein are subject to change without notice. pan jit makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose. pan jit products are not authorized for use in life support devices or systems. pan jit does not convey any license under its patent rights or rights of others. LS4448
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