ISL85402(2011) View Datasheet(PDF) - Intersil
Part Name
Description
MFG CO.
ISL85402
(Rev.:2011)
(Rev.:2011)
Intersil
ISL85402 Datasheet PDF : 18 Pages
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ISL85402
Typical Application Schematic I
PGOOD
EN
MODE
SYNC
AUXVCC
VIN
BOOT
VCC
ILIMIT
SS
ISL85402 PHASE
LGATE
PGND
EXT_BOOST
FS
SGND
FB
COMP
VIN
VOUT
PGOOD
EN
MODE
SYNC
AUXVCC
VIN
BOOT
VCC
ILIMIT
SS
ISL85402 PHASE
LGATE
PGND
EXT_BOOST
FS
SGND
FB
COMP
VIN
VOUT
(a) SYNCHRONOUS BUCK
(b) NON-SYNCHRONOUS BUCK
Typical Application Schematic II - VCC Switch-Over to VOUT
PGOOD
EN
MODE
SYNC
AUXVCC
VIN
BOOT
VCC
ILIMIT
SS
ISL85402 PHASE
LGATE
PGND
EXT_BOOST
FS
SGND
FB
COMP
VIN
VOUT
PGOOD
EN
MODE
SYNC
AUXVCC
VIN
BOOT
VCC
ILIMIT
SS
ISL85402 PHASE
LGATE
PGND
EXT_BOOST
FS
SGND
FB
COMP
VIN
VOUT
(a) SYNCHRONOUS BUCK
(b) NON-SYNCHRONOUS BUCK
Typical Application Schematic III - Boost Buck Converter
Battery
R1
+
+
R2
PGOOD
EN
MODE
SYNC
VCC
ILIMIT
SS
EXT_BOOST
LGATE
AUXVCC
ISL85402
VIN
BOOT
PHASE
FS
SGND
PGND
FB
COMP
R3
R4
VOUT
5
FN7640.0
September 29, 2011
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