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SC1176 Datasheet(数据表) 4 Page - Semtech Corporation |
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SC1176 Datasheet(HTML) 4 Page - Semtech Corporation |
4 page ![]() 4 2006 Semtech Corp. www.semtech.com POWER MANAGEMENT SC1176/SC1176A Electrical Characteristics (Cont.) 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 L DV 0 . 3 = G N G P - L D3 . 1A t n e r r u C k n i S L DV 0 . 2 = D N G P - L D5 8 . 0A t n e r r u C e c r u o S L DV 5 . 3 = L D - L T S B3 . 1A t n e r r u C e c r u o S L DV 5 . 2 = L D - L T S B5 8 . 0A e m i T d a e D5 e t o N0 50 0 10 5 1s n t n e r r u C e g r a h C t r a t S t f o S ) 2 ( 5 2A µ e l b a n E t r a t S t f o Se l c y c y t u d % 04 . 1V d n E t r a t S t f o Se l c y c y t u d % 0 0 15 . 2V n o it i s n a r T t r a t S t f o S ) 2 ( e d o m s u o n o r h c n y S3 . 3V w o d n i W d o o G r e w o P ) 3 ( +0 1V % T U O t n e r r u C k c a B d l o FV T U O V 0 =% 0 5I M I L e e n K e g a tl o V k c a B d l o F= I M I L I 9 . 0V T U O V t n e r r u C s a i B t u p n I2 N I - , 2 N I + , 1 N I -1 A µ e g a k a e L H D o t H T S BV 5 = H D - H T S B0 1A µ e g a k a e L D N G P o t H DV 5 = D N G P - H D0 1A µ e g a k a e L L D o t L T S BV 5 = L D - L T S B0 1A µ D N G P o t L DV 5 = D N G P - L D0 1A µ Notes: (1) Specification refers to application circuit. (2) The soft start pin sources 25µA to an external capacitor. The converter operates in synchronous mode above the soft start transition threshold and in asynchronous mode below it. (3) Power good is an open collector pulled low when the output voltage is outside the ±10% window. (4) This device is ESD sensitive. Use of standard ESD handling precautions is required. (5) 200ns maximum at 75 °. Unless Specified: V CC = 4.75 to 5.25V, GND = PGND = 0V, FB = VO, 0mV < (CS(+) - (CS(-)) < 60mV , TJ = 25°C 6 Marking Information TOP yyww = Date Code (Example: 9908) xxxx = Semtech Lot # (Example: 90101) (SOIC-20) (TSSOP-20) nnnn = Part Number (Example: 1471) yyww = Date Code (Example: 0012) xxxxxx = Semtech Lot # (Example: P94A01) |