ISL6263AIRZ-T View Datasheet(PDF) - Intersil

Part Name

Description

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ISL6263AIRZ-T

5-Bit VID Single-Phase Voltage Regulator with Power Monitor for IMVP-6+ Santa Rosa GPU Core

Intersil 

Block Diagram

VDD

VSS

RBIAS

OCSET

VSUM

DFB

DROOP

VO

VSEN

RTN

VDIFF

VID0

VID1

VID2

VID3

VID4

VR_ON

PGOOD

VREF

+

1.545V

-

1:1

-

OCP

+

+

-

x2

-

SCP

+

+

-

+

Σ

+

+

-

VID DAC

ISS

IDVID

X17.5

+

E/A

-

POR

VREF

PGOOD

SHORTCIRCUIT

OVERCURRENT

UNDERVOLTAGE

OVERVOLTAGE

FAULTLATCH

PWM

CONTROL

DIODE

EMULATION

AUDIBLE

FREQUENCY

FILTER

SEVERE

OVERVOLTAGE

SOFT

CROWBAR

CONTROL

DRIVER

SHOOT-THROUGH

PROTECTION

DRIVER

+

gmVin PWM

-

ΔVW ΔVW

20% 30%

R3

VW

MODULATOR

+

gmVsoft VCOMP

-

SOFT

FB

COMP PMON VIN

FIGURE 1. SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM OF THE ISL6263A

BOOT

UGATE

PHASE

PVCC

LGATE

PGND

FDE

AF_EN

VW

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