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SC4905A Datasheet(PDF) 3 Page - Semtech Corporation |
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SC4905A Datasheet(HTML) 3 Page - Semtech Corporation |
3 / 20 page ![]() SC4905A/B POWER MANAGEMENT PRELIMINARY 2002 Semtech Corp. www.semtech.com 3 Electrical Characteristics (Cont.) Note 1: Guaranteed by design. Not 100%tested in production. r e t e m a r a Ps n o it i d n o C t s e Tn i Mp y Tx a Mti n U ). t n o C ( K C O L C / c n y S e g n a R y c n e u q e r F c n y S F C S O 0 5 +z H n o it c e S ti m i L t n e r r u C t n e r r u C s a i B t u p n I 02 -A µ d l o h s e r h T ti m i L t n e r r u C 0 0 2V m T U O o t M I L I , y a l e D n o it a g a p o r Pe v ir d r e v O V m 0 55 3s n n o it c e S F E R V ) n o i s r e v A ( F E R VA m 5 - 0% 3 -4 % 3 +V ) n o i s r e v B ( F E R VA m 5 - 0% 3 -5 % 3 +V ) n o i s r e v A ( n o it c e S O L V U D D V d l o h s e r h T t r a t S 1 . 45 . 4V s i s e r e t s y H 0 0 3V m ) n o i s r e v B ( n o it c e S O L V U D D V d l o h s e r h T t r a t S 1 12 1V s i s e r e t s y H 4V n o it c e S r o t a l u d o M h t d i W e s l u P t n e r r u c t u p n I B FV B F V m 0 0 3 + f e r V o t V 0 =1 A u e l c y C y t u D m u m i n i MV B F V m 0 0 5 <0 % e l c y C y t u D m u m i x a M 8 7% V X A M D V = F F 0 9% n i a G M W PV F F 6 . 3 =7 . 7 2V / % T U O o t M W P , y a l e D n o it a g a p o r P 5 70 2 1s n t u p t u O w o L T A S V t u p t u OI T U O A m 1 =0 0 5V m h g i H T A S V t u p t u OI T U O A m 1 =5 . 0 - F E R VV e m i T e s i RC T U O F p 0 2 =0 15 2s n e m i T ll a FC T U O F p 0 2 =0 15 2s n Unless otherwise specified, V DD = 12V, VIN = 48V, ROSC = 499k, COSC = 220pF, RT = 280k, RM = 2k, RB = 8.25k, CVDD = 0.1uF, and no load on the outputs. |