SC1480EVB SEMTECH [Semtech Corporation], SC1480EVB Datasheet - Page 14

• Manufacturer Part Number: SC1480EVB
• Description: DDR Memory Power Supply Controller
• Manufacturer: SEMTECH [Semtech Corporation]

VIN = 4.5V - 25V
VOUT = 1.25V; IOUT = 3A
POWER MANAGEMENT
Reference Design
4.5V - 25V
REFOUT
PGOOD
2006 Semtech Corp.
+5V
NO_POP
C3
1uF
R5
1M
R7
+5V_SUS
C6
1uF
R4
10
R2
1M
C7
1000pF
2.50V_SUS
R1
20K
R3
20K
1
2
3
4
5
6
7
REFIN
TON
REFOUT
VCCA
FBK
PGOOD
GND
C4
1uF
SC1480
U1
PGND
VDDP
ILIM
BST
DH
DL
LX
C1
10uF/10V
14
13
12
11
10
9
8
14
+5V_RUN
C8
0.01uF
C5
0.1uF
R6
10K
D1
ZHCS400
2
1
5
6
7
4
Q1
Si4818DY
L1
4.1uH
C2
10uF/25V
+
C9
150uF
C10
10uF
SC1480
www.semtech.com
1.25VOUT