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Part Name
Description
SC1480ITSTRT View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC1480ITSTRT
DDR Memory Power Supply Controller
Semtech Corporation
SC1480ITSTRT Datasheet PDF : 22 Pages
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POWER MANAGEMENT
Reference Design
+5V_R U N
C1
10uF / 10V
4.5V - 25V
R EF OU T
PGOOD
2. 50V_SU S
R1
20K
C3
+5V_SUS
1uF
R2
1M
R3
20K
+5V
R4
10
R5
1M
R7
N O_POP
C6
C7
1uF
1000pF
C4
1uF
U1
1
2
3
4
5
6
7
R EF I N
BST
TON
DH
REFOUT LX
VC C A
ILIM
FBK
VD D P
PGOOD
DL
GND
PGND
14
13
12
11
10
9
8
SC 1480
D1
Z H C S400
C5
0. 1uF
2
1
5
R6
6
7
10K
4
C8
0. 01uF
VIN = 4.5V - 25V
VOUT = 1.25V; IOUT = 3A
SC1480
C2
10uF / 25V
Q1
Si4818D Y
L1
4. 1uH
+
C9
150uF
C 10
10uF
1. 25VOU T
2006 Semtech Corp.
14
www.semtech.com
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