ISL6420A Просмотр технического описания (PDF) - Renesas Electronics
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ISL6420A Datasheet PDF : 21 Pages
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ISL6420A
Typical 5V Input DC/DC Application Schematic
5V ±10%
C1
C7
R2
C2
C3
C4
C5
VIN PVCC
VCC5
D1
ENSS
RT
CDEL
PGOOD
SGND
FB
MONITOR AND
PROTECTION
OSC
REF
-
+
+
-
OCSET R1
BOOT
Q1
UGATE
C8
PHASE
LGATE
Q2
PGND
C6
L1
C9
2.5V/1.25V
R3
C10 COMP
GPIO1/REFIN <-- VREF = VDDQ/2
C11 R5
C12
1.25V VREF
TO REFIN OF VTT SUPPLY
R4
VCC5
CONFIGURATION FOR DDR TERMINATION/EXTERNALLY REFERENCED TRACKING APPLICATIONS
Typical 5.5V to 28V Input DC/DC Application Schematic
5.5V to 28V
C1
C7
R2
C2
C3
C4
C5
VIN VCC5
PVCC
D1
ENSS
RT
CDEL
PGOOD
SGND
FB
MONITOR AND
PROTECTION
OSC
REF
-
+
+
-
OCSET R1
BOOT
Q1
UGATE
C8
PHASE
LGATE
Q2
PGND
C6
L1
C9
R3
C10 COMP
C11 R5
GPIO1/REFIN <-- VREF = VDDQ/2
1.25V VREF
TO REFIN OF VTT SUPPLY
2.5V/1.25V
R4
VCC5
CONFIGURATION FOR DDR TERMINATION/EXTERNALLY REFERENCED TRACKING APPLICATIONS
FN9169 Rev 4.00
December 4, 2009
Page 5 of 21
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