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SC470ITSTRT Datasheet(PDF) 7 Page - Semtech Corporation

Part # SC470ITSTRT
Description  Synchronous Buck Controller for Dynamic Load-Voltage Applications
PDF  31 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC470ITSTRT Datasheet(HTML) 7 Page - Semtech Corporation

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 2005 Semtech Corp.
www.semtech.com
SC470
POWER MANAGEMENT
Block Diagram
+
-
REF + 20%
VSSA
X3
OV
DL
PGD
DH
CONTROL
ZERO I
UV
TOFF
VDDP
POR / SS
BST
VOUT
HI
EN/SPV
LX
ILIM
VCCA
MONITOR
1.5V REF
REF - 30%
FAULT
ON
FB
LOGIC
OT
TON
ISENSE
PWM
TON
OFF
PGND
REF - 10%
LO
OC
Figure 1: SC470 Block Diagram



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