SC1480AEVB 查看數據表（PDF） - Semtech Corporation

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SC1480AEVB

DDR and DDR Memory VTT power Supply Controller

Semtech Corporation 

SC1480A

POWER MANAGEMENT

Application Information (Cont.)

U1

1 REFIN

2 TON

3 REFOUT

4

VCCA

5

FB

6 PGD

7

VSSA

SC1480A

BST 14

13

DH

12

LX

11

ILIM

10

VDDP

9

DL

8

PGND

Q1 5 6

FDS6982S

4

3

L1 2u2

8

7

2525

2

.igure 9: Connecting Control and Power Sections

Phase node (black) to be copper pours (preferred) or wide copper traces.

Gate drive traces (red) and phase node trace (blue) to be wide copper traces (L:W < 20:1) and as short as possible,

with DL the most critical.

 2003 Semtech Corp.

18

www.semtech.com

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