HIP6301Word文档格式.docx

HIP6301Word文档格式.docx

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resistor.

h

AnotherfeatureofthiscontrollerICisthePGOODmonitor

circuitwhichisheldlowuntiltheCOREvoltageincreases,

duringitsSoft-Startsequence,towithin10%ofthe

programmedvoltage.Over-voltage,15%aboveprogrammed

.

COREvoltage,resultsintheconvertershuttingcdownand

turningthelowerMOSFETsONtoclampandprotectthe

microprocessor.Undervoltageisalsodetectedandresults

inPGOODlowiftheCOREvoltagefalls10%belowthe

programmedlevel.Over-currentprotectionreducesthe

w

regulatorcurrenttolessthan25%woftheprogrammedtrip

value.Thesefeaturesprovidemonitoringandprotectionfor

themicroprocessorandpowersystem.

Features

•

Multi-PhasePowerConversion

PrecisionChannelCurrentSharing

-LossLessCurrentSampling-UsesrDS（ON）

•PrecisionCOREVoltageRegulation

-±

1%SystemAccuracyOverTemperature

•MicroprocessorVoltageIdentificationInput

-5-BitVIDInput

o

m

-1.100Vto1.850Vin25mVSteps

-Programmable“Droop”Voltage

c

•FastTransientRecoveryTime

OverCurrentProtection

AutomaticSelectionof2,3,or4PhaseOperation

x

•HighRippleFrequency,（ChannelFrequency）Times

.................100kHzto6MHz

NumberChannels

f

OrderingInformation

a

TEMP.（oC）

PACKAGE

PKG.NO.

PARTNUMBER

HIP6301CB

0to70

20LdSOIC

M20.3

HIP6301CB-T

20LdSOICTapeandReel

HIP6301EVAL1

EvaluationPlatform

Pinout

HIP6301（SOIC）

TOPVIEW

VID4

1

20

VCC

VID3

2

19

PGOOD

VID2

3

18

PWM4

VID1

4

17

ISEN4

VID0

5

16

ISEN1

COMP

6

15

PWM1

FB

7

14

PWM2

FS/DIS

8

13

ISEN2

GND

9

12

ISEN3

VSEN

10

11

PWM3

CAUTION:

Thesedevicesaresensitivetoelectrostaticdischarge;

followproperICHandlingProcedures.

1-888-INTERSILor321-724-7143|Intersil（anddesign）isaregisteredtrademarkofIntersilAmericasInc.

Copyright©

IntersilAmericasInc.2002.AllRightsReserved

BlockDiagram

PGOODVCC

POWER-ON

RESET（POR）

+

THREE

UV

STATE

X0.9

-

OV

LATCH

CLOCKAND

S

SAWTOOTH

FS/EN

GENERATOR

∑

OVP

X1.15

PWM

SOFT-

START

ANDFAULT

LOGIC

D/A

E/A

PHASE

CURRENT

NUMBER

CHANNEL

DETECTOR

CORRECTION

I_TOT

∑+

OC

I_TRIP

SimplifiedPowerSystemDiagram

SYNCHRONOUS

RECTIFIEDBUCK

PWM1

PWM2

MICROPROCESSOR

PWM3

PWM4

VID

FunctionalPinDescription

converter.Pullingthispintogrounddisablestheconverter

threestatesthePWMoutputs.SeeFigure10.

GND（Pin9）

Biasandreferenceground.Allsignalsarereferencedtothis

and

pin.

nVSEN（Pin10）

Powergoodmonitorinput.Connecttothemicroprocessor-

COREvoltage.

PWM1（Pin15）,PWM2（Pin14）,PWM3（Pin11）and

PWM4（Pin18）