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SC1403 Datasheet(PDF) 4 Page - Semtech Corporation |
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SC1403 Datasheet(HTML) 4 Page - Semtech Corporation |
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4 / 30 page ![]() 4 2002 Semtech Corp. www.semtech.com SC1403 PRELIMINARY POWER MANAGEMENT PRELIMINARY r e t e m a r a Ps n o i t i d n o Cn i Mp y Tx a Ms t i n U t n e r r u C k n i S F E R 0 1A µ e g a tl o V t u o k c o L tl u a F F E Re g d e g n il l a F8 . 12 . 2V t n e r r u C y l p p u S g n it a r e p O + V , n o S P M S h t o b , 5 T U O V o t r e v o d e h c ti w s L V A 0 = 5 d a o L I , A 0 = 3 d a o L I 0 10 5A µ t n e r r u C y l p p u S y b d n a t S + V,f f o S P M S , V 0 3 o t V 6 = + V # N D H S o t n i t n e r r u c s e d u l c n i 0 8 1 t n e r r u C y l p p u S n w o d t u h S + VV 0 = # N D H S , V 0 3 o t V 6 = + V4 0 1 n o it p m u s n o C r e w o P t n e c s e i u Q , V 0 = 5 B F = 3 B F , d e l b a n e S P M S S P M S n o d a o L o N 0 . 6W m N O I T C E T E D T L U A F d l o h s e r h T p ir T e g a tl o v r e v O e g a tl o v t u p t u o d e d a o l n u o t t c e p s e r h ti W7 0 15 1% tl u a F - e g a tl o v r e v O y a l e D n o it a g a p o r P V p ir t e g a tl o v r e v o e v o b a % 2 n e v ir d t u p t u O H T 5 . 1s µ d l o h s e r h T e g a tl o v r e d n U t u p t u O e g a tl o v t u p t u o d e d a o l n u o t t c e p s e r h ti W5 65 75 8% t u o k c o L e g a tl o v r e d n U t u p t u O e m i T f o t t c e p s e r h ti w , d e l b a n e S P M S h c a e m o r F C S O 0 0 0 54 4 1 60 0 0 7s k l c d l o h s e r h T n w o d t u h S l a m r e h TC ° 0 1 + = s i s e r e t s y h l a c i p y T0 5 1C ° # T E S E R d l o h s e r h T p ir T # T E S E R , e g a tl o v t u p t u o d e d a o l n u o t t c e p s e r h ti W % 1 = s i s e r e t s y h l a c i p y t ; e g d e g n il l a f 3 1 -0 1 -7 -% y a l e D n o it a g a p o r P # T E S E R w o l e b % 2 n e v ir d t u p t u o , e g d e g n il l a F d l o h s e r h t p ir t # T E S E R 5 . 1s µ e m i T y a l e D # T E S E Rf o t t c e p s e r h ti W C S O 0 0 0 , 7 20 0 0 , 2 30 0 0 , 7 3 s k l c S T U P T U O D N A S T U P N I t n e r r u C e g a k a e L t u p n I k c a b d e e FV 6 . 2 = 5 B F , 3 B F+1 A µ e g a tl o V w o L t u p n I c i g o L C N Y S , # N D H S , 5 N O , # E V A S P , 3 N O ) L V r o V 0 = Q E S ( 6 . 0V e g a tl o V h g i H t u p n I c i g o L C N Y S , # N D H S , 5 N O , # E V A S P , 3 N O ) L V r o V 0 = Q E S ( 4 . 2V Electrical Characteristics (Cont.) Unless otherwise noted: V+ = 15V, both PWMs on, SYNC = 0V, VL load = 0mA, REF load = 0mA, PSAVE# = 0V, T A =-40 to 85°C. Typical values are at T A = +25°C. Circuit = Typical Application Circuit |
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