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| ISL62381 Datasheet, PDF (13/23 Pages) Intersil Corporation – High-Efficiency, Quad or Triple-Output System Power Supply Controller for Notebook Computers | |||
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Block Diagram
ISL62381, ISL62382, ISL62383
VIN
VOUT2
FSET1/2
FB1/2
VREF
0.6V
FCCM
VOUT1/2
R3
MODULATOR
5V
LDO
4.8V
PWM
UGATE
DRIVER
SOFT DISCHARGE
EN1
LDO3EN*
START-UP
AND
SHUTDOWN
LOGIC
LGATE
DRIVER
OCSET1/2
ISEN1/2
10µA
VREF + 16%
FB1/2
VREF - 16%
OCP
UVP
PROTECTION LOGIC
OVP/UVP/OCP/OTP
OVP
BIAS AND
REFERENCE
3.3V
LDO
THERMAL
MONITOR
*ISL62381, ISL2382 ONLY
SOFT DISCHARGE
LDO5
BOOT1/2
UGATE1/2
PHASE1/2
LGATE1/2
PGND
PGOOD1/2
VCC1/2
T-PAD
LDO3IN*
LDO3FB*
LDO3*
13
FN6665.4
August 7, 2008
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