ISL6263D datasheet(2/17 Pages) INTERSIL

Part #	ISL6263D

Description	Pre-biased Output Start-Up Capability

Download	17 Pages

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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2 / 17 page

Block Diagram

FIGURE 1. SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM OF THE ISL6263D

PWM

OCSET

ISP

ISN

BOOT

UGATE

LGATE

PVCC

PHASE

SHOOT-THROUGH

PROTECTION

DRIVER

VCOMP

VDD

+

-

+

-

+

-

VID DAC

VID0

VID1

VID2

ICOMP

VO

VSEN

RTN

VSS

RBIAS

+

-



+

-

VDIFF



+

-

VREF

E/A









SOFT

FB

COMP

PGND

VIN

VW

gmVsoft

gmVIN

V W

ISS

IDVID

1:1

+

-

OCP

SCP

SHORT CIRCUIT

VREF

PGOOD

POR

x2.5

SEVERE

OVERVOLTAGE

CONTROL

FAULT LATCH

DIODE

EMULATION

VR_ON

PGOOD

PWM

CONTROL

1.55V

OVERCURRENT

OVERVOLTAGE

UNDERVOLTAGE

R3

MODULATOR

SOFT

CROWBAR

AUDIBLE

FREQUENCY

FILTER

X31

IMON

20%

 VW

FDE

AF_EN

OFFSET1

OFFSET0

REF

>

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ISL6263D Datasheet(PDF) 2 Page - Intersil Corporation

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