SC1480AITSTRT Просмотр технического описания (PDF) - Semtech Corporation

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SC1480AITSTRT

DDR and DDR Memory VTT power Supply Controller

Semtech Corporation 

POWER MANAGEMENT

Shoot-Through Delay Timing Diagram

LX

DH

DL

DL

tplhDL

tplhDH

SC1480A

Block Diagram

VCCA (4)

REFIN (1)

TON (2)

REFOUT (3)

FB (5)

PGD (6)

VSSA (7)

TON

TOFF

+

-

POR / SS

OT

REF BUFFER

VDDP

ON

OFF

CONTROL

HI

LOGIC

PWM

OC

+

ZERO I

-

FAULT

MONITOR

OV

UV

REF + 10%

REF - 10%

REF - 20%

ISENSE

LO

BST (14)

DH (13)

LX (12)

ILIM (11)

VDDP (10)

DL (9)

PGND (8)

 2003 Semtech Corp.

.IGURE 1: Block Diagram

5

www.semtech.com

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