ISL6420 Intersil Corporation, ISL6420 Datasheet - Page 4

• Manufacturer Part Number: ISL6420
• Description: Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
• Manufacturer: Intersil Corporation

Typical 5V Input DC-DC Application Schematic
Typical 12V Input DC-DC Application Schematic
C7
C7
5V
12V
C1
R2
C1
R3
R2
R3
R4
C2
PGOOD
R4
SS/EN
SGND
CDEL
PGOOD
C2
4
SS/EN
SGND
FB
RT
CDEL
CONFIGURATION FOR DDR TERMINATION/EXTERNALLY REFERENCED TRACKING APPLICATIONS
CONFIGURATION FOR DDR TERMINATION/EXTERNALLY REFERENCED TRACKING APPLICATIONS
FB
RT
VIN
C10
C11
VMSET/MODE
REF
VIN
C10
C11
VMSET/MODE
REF
VCC5
PVCC
+
-
+
-
COMP
OSC
R5
VCC5
PVCC
+
-
+
-
COMP
OSC
MONITOR AND
R5
PROTECTION
MONITOR AND
C3
PROTECTION
+
-
C3
-
+
+
-
-
+
VCC5
REFOUT
VCC5
ISL6420
REFOUT
C4
C12
OCSET
BOOT
UGATE
PHASE
LGATE
PGND
C4
GPIO1/REFIN <-- VREF=VDDQ/2
GPIO2
OCSET
BOOT
UGATE
PHASE
LGATE
PGND
C12
GPIO1/REFIN <-- VREF=VDDQ/2
GPIO2
Q1
C5
R1
Q1
C5
R1
Q2
Q2
1.25V VREF
TO REFIN OF VTT SUPPLY
1.25V VREF
TO REFIN OF VTT SUPPLY
D1
C8
D1
C8
L1
C9
C6
L1
C6
C9
2.5V/1.25V
2.5V/1.25V
VDDQ/VTT