ISL6540A datasheet(2/22 Pages) INTERSIL

Part #	ISL6540A

Description	Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability

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Manufacturer	INTERSIL [Intersil Corporation]

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

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Block Diagram

VCC

1.8V

BOOT

UGATE

GND

PHASE

EN

OFS+

OFS-

FB

POWER-ON

RESET (POR)

COMP

MAR_CTRL

REFIN

PGND

LGATE

SOURCE

EA

PWM

PVCC

LSOC

VCC

GATE

CONTROL

LOGIC

INTERNAL SERIES

FS

VOLTAGE

REFERENCE

REFOUT

100

μA

SS

PG_DLY

PG

PGOOD

COMP

VMON

VIN

LINEAR

HSOC

100µA

OV/UV

COMP

G = -1

SINKING OCP

SOURCE OCP

VSEN+

VSEN-

LIN_DRV

EXTERNAL SERIES

LINEAR DRIVER

VFF

OSCILLATOR

SOFT-START

AND

FAULT LOGIC

OCP

OTA

G = 1

UNITY GAIN

DIFF AMP

COMP

VREF = 0.591 V

MARGINING

GND

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Similar Description - ISL6540A

Manufacturer	Part #	Datasheet	Description
Intersil Corporation	ISL6540	438Kb / 20P	Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability
Intersil Corporation	ISL6540	521Kb / 20P	Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability
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Renesas Technology Corp	ISL6540	438Kb / 20P	Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability July 23, 2008
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