ISL62391C View Datasheet(PDF) - Renesas Electronics

Part Name

Description

MFG CO.

ISL62391C

High-Efficiency, Triple-Output System Power Supply Controller for Notebook Computers

Renesas Electronics 

ISL62391, ISL62392, ISL62391C, ISL62392C

Block Diagram

VIN

VOUT2*

FSET1/2

FB1/2

VREF

0.6V

FCCM

VOUT1/2

R3

MODULATOR

5V

LDO

4.8V

PWM

UGATE

DRIVER

SOFT DISCHARGE

EN1

EN2

LDO3EN

START-UP

AND

SHUTDOWN

LOGIC

LGATE

DRIVER

PVCC

BOOT1/2

UGATE1/2

PHASE1/2

LGATE1/2

PGND

PGOOD

VCC

OCSET1/2

ISEN1/2

10µA

VREF + 16%

FB1/2

VREF - 16%

OCP

UVP

PROTECTION LOGIC

OVP/UVP/OCP/OTP

OVP

THERMAL

MONITOR

BIAS AND

REFERENCE

PVCC

3.3V

LDO

T-PAD

LDO3

SOFT DISCHARGE

*In addition to being used for regulation, VOUT2 will also provide power for PVCC when it is programmed to 5V.

FN6666 Rev 8.00

August 25, 2015

Page 9 of 22

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