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ISL6420A Datasheet, PDF (4/21 Pages) Intersil Corporation – Advanced Single Synchronous Buck Pulse-Width Modulation PWM Controller
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ISL6420A
Typical 5V Input DC/DC Application Schematic
5V ±10%
C7
0.1µF
C1
C2
C3
C4
C5
VIN VCC5
PVCC
D1
OCSET R1
ENSS
RT
MONITOR AND
PROTECTION
BOOT
Q1
R2
C8
PGOOD
OSC
CDEL
REF
SGND
--
FB
+
-
+
+
UGATE
PHASE
LGATE
PGND
C9
Q2
C6
L1
C10
R3
C11 COMP
GPIO1/REFIN
R5 C12
R6
GPIO2
R4
C13
VOLTAGE MARGINING ENABLED WITH INTERNAL VREF
SEE PAGE 12 FOR MORE DETAILS
VOUT
Typical 5.5V to 28V Input DC/DC Application Schematic
5.5V to 28V
C1
C7
0.1µF
R2
C8
C2
C3
C4
C5
VIN VCC5
PVCC
D1
OCSET R1
ENSS
MONITOR AND
PROTECTION
BOOT
RT
Q1
PGOOD
OSC
UGATE
C9
CDEL
REF
PHASE
SGND
--
FB
+
-
+
+
LGATE
Q2
PGND
C6
L1
C10
R3
COMP
C11
GPIO1/REFIN
R5 C12
R6
GPIO2
R4
C13
VOLTAGE MARGINING ENABLED WITH INTERNAL VREF
SEE PAGE 12 FOR MORE DETAILS
VOUT
4
FN9169.4
December 4, 2009
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