ISL6420A Intersil, ISL6420A Datasheet - Page 5
ISL6420A
Manufacturer Part Number
ISL6420A
Description
Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
Manufacturer
Intersil
Datasheet
1.ISL6420A.pdf
(20 pages)
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www.DataSheet4U.com
Typical 12V Input DC/DC Application Schematic
C7
12V
C1
R3
R2
R4
PGOOD
C2
5
SS/EN
SGND
CDEL
CONFIGURATION FOR DDR TERMINATION/EXTERNALLY REFERENCED TRACKING APPLICATIONS
FB
RT
VIN
C10
C11
VMSET/MODE
REF
VCC5
PVCC
+
-
+
-
COMP
OSC
R5
MONITOR AND
PROTECTION
C3
+
-
-
+
VCC5
ISL6420A
REFOUT
C4
OCSET
BOOT
UGATE
PHASE
LGATE
PGND
C12
GPIO1/REFIN <-- VREF = VDDQ/2
GPIO2
Q1
C5
R1
Q2
1.25V VREF
TO REFIN OF VTT SUPPLY
D1
C8
L1
C6
C9
October 13, 2005
2.5V/1.25V
VDDQ/VTT
FN9169.1