ISL6313 데이터 시트보기 (PDF) - Intersil

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ISL6313

Two-Phase Buck PWM Controller with Integrated MOSFET Drivers for Intel VR11 and AMD Applications

Intersil 

Block Diagram

ISL6313

PGOOD

EN

RGND

OPEN SENSE

LINE PREVENTION

VSEN

UNDERVOLTAGE

DETECTION

LOGIC

OVERVOLTAGE

DETECTION

LOGIC

SOFT-START

AND

FAULT LOGIC

0.85V

POWER-ON

RESET

VCC

PVCC

APA

SS

MODE / DAC

SELECT

VID7

VID6

VID5

VID4

VID3

VID2

VID1

VID0

RGND

DVC

REF

FB

COMP

OFS

IOUT

DYNAMIC

VID

D/A

+

+∑

x2

2kΩ

OCP

I_TRIP

E/A

OFFSET

x1

OCP

VOCP

FS

I_AVG

ADAPTIVE PHASE

ALLIGNMENT

CIRCUITRY

CLOCK AND

MODULATOR

WAVEFORM

GENERATOR

MOSFET

DRIVER

BOOT1

UGATE1

PHASE1

LGATE1

FS

+∑

-

+∑

-

PWM1

PWM2

MOSFET

DRIVER

BOOT2

UGATE2

PHASE2

LGATE2

CHANNEL

DETECT

CHANNEL

CURRENT

I_AVG

1

BALANCE

N

CH2

CURRENT

SENSE

+

∑

+

CH1

CURRENT

SENSE

RISEN2

RISEN1

ISEN2-

ISEN2+

RSET

ISEN1+

ISEN1-

GND

3

FN6448.0

March 5, 2007

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