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SC1189 数据表(PDF) 2 Page - Semtech Corporation |
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SC1189 数据表(HTML) 2 Page - Semtech Corporation |
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2 / 16 page ![]() 2 2005 Semtech Corp. www.semtech.com POWER MANAGEMENT SC1189 Electrical Characteristics Absolute Maximum Ratings r e t e m a r a Pl o b m y Sm u m i x a Ms t i n U D N G A o t C C VV N I 7 + o t 3 . 0 -V D N G A o t L D N G P , H D N G P 1 ±V L D N G P o t L T S B , H D N G P o t H T S B 5 1 + o t 3 . 0 -V ) 2 e t o N ( L D N G P o t L D , H D N G P o t H D 5 1 + o t 1 -V e g n a R e r u t a r e p m e T g n it a r e p OT A 0 7 + o t 0C ° e g n a R e r u t a r e p m e T n o it c n u JT J 5 2 1 + o t 0C ° e g n a R e r u t a r e p m e T e g a r o t ST G T S 0 5 1 + o t 5 6 -C ° . c e S 0 1 ) g n i r e d l o S ( e r u t a r e p m e T d a e LT D A E L 0 0 3C ° 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 θ A J 0 8W / C ° e s a C o t n o it c n u J e c n a d e p m I l a m r e h T θ C J 5 2W / C ° Unless specified: V CC = 4.75V to 5.25V; GND = PGND = 0V; VOSENSE = VO; 0mV < (CS+-CS-) < 60mV; LDOV = 11.4V to 12.6V; TA = 0 to 70°C 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 n o i t c e S g n i h c t i w S e g a tl o V t u p t u OI O ti u c ri C n o it a c il p p A n i A 2 = e l b a T e g a tl o V t u p t u O e e S e g a tl o V y l p p u SC C V5 . 47 V t n e r r u C y l p p u SV 0 . 5 = C C V8 5 1A m n o it a l u g e R d a o LI O A 4 2 o t A 8 . 0 =1 % n o it a l u g e R e n i L +5 . 0% e g a tl o V ti m i L t n e r r u C 5 50 75 8V m y c n e u q e r F r o t a ll i c s O 0 7 10 0 20 3 2z H k e l c y C y t u D x a M r o t a ll i c s O 0 95 9% t n e r r u C e c r u o S / k n i S H D k a e P , V 5 . 4 = H D - H T S BV 3 . 3 = H D N G P - H D V 5 . 1 = H D N G P - H D 2 1 0 0 1 A A A m t n e r r u C e c r u o S / k n i S L D k a e P , V 5 . 4 = L D - L T S BV 3 . 3 = L D N G P - L D V 5 . 1 = L D N G P - L D 2 1 0 0 1 A A A m A ( n i a G L O )V o t E S N E S O V O 5 3B d t n e r r u C e c r u o S D I Vx D I V ≤ V 4 . 21 0 1A u e g a k a e L D I VV 3 . 3 = x D I V V 0 = x D I V 0 1 ± 0 0 1 µA µA e g a tl o v d l o h s e r h t d o o g r e w o P 8 82 1 1% e m i T d a e D 0 40 0 1s n 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. |
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