ISL6531 View Datasheet(PDF) - Renesas Electronics

Part Name

Description

MFG CO.

ISL6531

Dual 5V Synchronous Buck Pulse-Width Modulator (PWM) Controller for DDRAM Memory VDDQ and VTT Termination

Renesas Electronics 

ISL6531

Typical Application

+5V

PGOOD

RESET

ROCSET

VCC

OCSET/SD

GNDA

PGOOD

BOOT1

UGATE1

PHASE1

SLEEP

VREF

(.5xVDDQ)

RFB1

V2_SD

ISL6531

VREF_IN

VREF

COMP1

PVCC1

LGATE1

PGND1

BOOT2

UGATE2

PHASE2

FB1

SENSE1

LGATE2

SENSE2

PGND2

DBOOT1

CBOOT1

+5V

Q1

LOUT1

Q2

DBOOT2

CBOOT2

Q3

LOUT2

Q4

VDDQ

COUT1

VTT

COUT2

FIGURE 1. TYPICAL APPLICATION FOR ISL6531

FN9053 Rev 2.00

Aug 11, 2005

Page 4 of 18

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