ISL6322 datasheet(3/41 Pages) INTERSIL | Four-Phase Buck PWM Controller with Integrated MOSFET Drivers and I2C Interface for Intel VR10, VR11, and AMD Applications

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ISL6322 Datasheet(PDF) 3 Page - Intersil Corporation

Part No.	ISL6322

Description	Four-Phase Buck PWM Controller with Integrated MOSFET Drivers and I2C Interface for Intel VR10, VR11, and AMD Applications

Download	41 Pages

Scroll/Zoom	100%

Maker	INTERSIL [Intersil Corporation]

Homepage	http://www.intersil.com/cda/home

Logo

3 page

FN6328.0

August 21, 2006

Block Diagram

DRIVER

VRSEL

DYNAMIC

VID

D/A

VID7

VID6

VID5

VID4

VID3

VID2

E/A

REF

OFFSET

OFS

COMP

RGND

VSEN

VDIFF

ISEN3- ISEN3+ ISEN4-

∑

PWM1

∑

BOOT1

UGATE1

PHASE1

LGATE1

PVCC1_2

BOOT2

UGATE2

PHASE2

LGATE2

BOOT3

UGATE3

PHASE3

LGATE3

PVCC3

CLOCK AND

GENERATOR

MODULATOR

SOFT-START

AND

FAULT LOGIC

CHANNEL

DETECT

VCC

RESET

POWER-ON

0.85V

PGOOD

GND

0.2V

ISEN4+

∑

VID1

VID0

EN_PH4

PH4 POR/

PWM4

CH1

CURRENT

SENSE

CHANNEL

CURRENT

BALANCE

OVERVOLTAGE

DETECTION

LOGIC

UNDERVOLTAGE

DETECTION

LOGIC

PWM2

PWM3

PWM4

MODE/DAC

SELECT

ISEN1- ISEN1+ ISEN2- ISEN2+

CH2

CURRENT

SENSE

CH3

CURRENT

SENSE

CH4

CURRENT

SENSE

I_AVG

MOSFET

DRIVER

MOSFET

DRIVER

MOSFET

LOAD APPLY

TRANSIENT

ENHANCEMENT

PWM4

SIGNAL

LOGIC

I_TRIP

I_AVG

IDROOP

OPEN SENSE

LINE DETECT

DETECT

WAVEFORM

I2C

LOGIC

SS/RST/A0

SDA

SCL

ISL6322

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41

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