SC1480EVB Просмотр технического описания (PDF) - Semtech Corporation

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производитель

SC1480EVB

DDR Memory Power Supply Controller

Semtech Corporation 

POWER MANAGEMENT

Block Diagram

VDDQ = 2.5V

SC1480

VCCA VDDP

VDDQ

1

POR/SS

OT

REFIN

VDDP

14

BST

VDDQ

HI

13

2

DH

VIN

TON

ON

CONTROL

12

REFOUT 3

OFF

LOGIC

LX

+5V

REFOUT

PWM

4

VCCA

TOFF

REF

BUFFER

VOUT

OC

ZEROI

ISENSE

11

ILIM

VOUT 5

+

-

+

FBK

- PWM

+5V

6

PGOOD

7

AGND

FAULT

MONITOR

OV

UV

REF+10%

REF-10%

REF-20%

10

VDDP

LO

9

DL

8

PGND

FIGURE 1

 2006 Semtech Corp.

6

www.semtech.com

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