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SC4215AEVB датащи(PDF) 2 Page - Semtech Corporation |
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SC4215AEVB датащи(HTML) 2 Page - Semtech Corporation |
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2 / 8 page ![]() 2 2005 Semtech Corp. www.semtech.com SC4215A POWER MANAGEMENT r e t e m a r a Pl o b m y Ss n o i t i d n o C t s e Tn i Mp y Tx a Ms t i n U N I V e g n a R e g a tl o V y l p p u SV N I 0 4 . 15 . 5 V t n e r r u C t n e c s e i u QI Q V N I I , V 3 . 3 = T U O A 0 = 3 A m V N I V , V 5 . 5 = N E V 0 =0 1 0 5 A µ O V e g a tl o V t u p t u O ) 1 ( V O V N I V = O I , V 5 . 0 + T U O A m 0 1 =% 5 . 1 -V O % 5 . 1 +V ) e g a tl o V d e x i F l a n r e t n I ( % 3 -% 3 + n o it a l u g e R e n i L ) 1 ( G E R ) E N I L ( V N I V ( = O V , ) V 5 . 0 + N I I , V 3 . 3 < T U O A m 0 1 =7 . 0 1 % V N I V ( = O V , ) V 5 . 0 + N I I , V 3 . 3 > T U O A m 0 1 =5 . 0 5 . 1 % n o it a l u g e R d a o L ) 1 ( G E R ) D A O L ( V N I V ( = O I , ) V 5 . 0 + T U O A 1 o t A m 0 1 =5 . 0 5 . 1 % Note: (1) 2 square inch of FR-4, double sided, 1 oz. minimum copper weight. Absolute Maximum Ratings Electrical Characteristics Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not implied. r e t e m a r a P l o b m y Sx a Ms t i n U e g a tl o V e t u l o s b A B F , o V , N E , n i V 6V n o it a p i s s i D r e w o P P D d e ti m i L y ll a n r e t n IW t n e i b m A o t n o it c n u J e c n a t s i s e R l a m r e h T P D E 8 - C I O S ) 1 ( θ A J 6 3W / C ° e s a C o t n o it c n u J e c n a t s i s e R l a m r e h T P D E 8 - C I O S ) 1 ( θ C J 5 . 5W / C ° e g n a R e r u t a r e p m e T t n e i b m A g n it a r e p O T A 5 8 + o t 0 4 -C ° e g n a R e r u t a r e p m e T n o it c n u J g n it a r e p O T J 0 5 1 + o t 0 4 -C ° e g n a R e r u t a r e p m e T e g a r o t S T G T S 0 5 1 + o t 5 6 -C ° . c e S 0 1 ) g n ir e d l o S ( e r u t a r e p m e T d a e L T D A E L 0 0 3C ° )l e d o M y d o B n a m u H ( g n it a R D S E V D S E 2V k Unless specified: V EN = VIN, VFB = VO, VIN = 1.40V to 5.5V, VIN = (VO + 0.5V) to 5.5V and IO = 1mA to 1A. Values in bold apply over the full operating temperature range. Notes: (1) Low duty cycle pulse testing with Kelvin connections required. (2) Defined as the input to output differential at which the output voltage drops to 1.5% below the value measured at a differential of 0.5V. (3) Required to maintain regulation. Voltage set resistors R1 and R2 are usually utilized to meet this requirement. (4) Guaranteed by design. (5) When V FB exceeds this threshold, the “Sense Select” switch disconnects the internal feedback chain from the error amplifier and connects V FB instead. |
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