SC1480EVB SEMTECH [Semtech Corporation], SC1480EVB Datasheet - Page 6

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

POWER MANAGEMENT
Block Diagram
2006 Semtech Corp.
+5V
VDDQ = 2.5V
VDDQ
REFOUT
VOUT
REFIN
REFOUT
PGOOD
AGND
VCCA
FBK
VIN
3
5
6
7
1
2
4
+
-
VCCA
TOFF
TON
POR/SS
VDDP
MONITOR
BUFFER
+
-
FAULT
REF
PWM
OT
FIGURE 1
REF+10%
REF-10%
REF-20%
OV
UV
ON
OFF
PWM
6
CONTROL
LOGIC
ZEROI
OC
ISENSE
HI
LO
11
10
14
13
12
DL
PGND
BST
ILIM
VDDP
DH
LX
9
8
+5V
VDDP
VDDQ
SC1480
www.semtech.com
VOUT