Texas Instruments LM25101 Handleiding

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LM25101

PWM

Controller

VIN

T1

R

GATE

C

BOOT

0.1µF

1.0µF

VDD

VCC

OUT1

OUT2

VDD

HI

LI

VSS

HS

LO

HO

HB

Optional external

fast recovery diode

R

BOOT

R

GATE

D

BOOT

Anti-Parallel Diode

(Optional)

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Reference

Design

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LM25101

SNVS859C–JULY2012–REVISEDSEPTEMBER2016

LM251013-A,2-A,and1-A80-VHalf-BridgeGateDrivers

1

1Features

1

•IndependentHighandLowDriverLogicInputs

•BootstrapSupplyVoltageupto100-VDC

•DrivesBothaHigh-SideandLow-SideN-Channel

MOSFETs

•FastPropagationTimes(25nsTypical)

•Drives1000-pFLoadWith8-nsRiseandFall

Times

•ExcellentPropagationDelayMatching(3ns

Typical)

•SupplyRailUndervoltageLockout

•LowPowerConsumption

•PinCompatibleWithHIP2100andHIP2101

2Applications

•Motor-ControlledDrivers

•HalfandFullBridgePowerConverters

•SynchronousBuckConverters

•TwoSwitchForwardPowerConverters

•ForwardWithActiveClampConverters

•48-VServerPower

•SolarDC-DCandDC-ACConverters

3Description

TheLM25101high-voltagegatedriverisdesignedto

driveboththehigh-sideandthelow-sideN-Channel

MOSFETsinasynchronousbuckorahalf-bridge

configuration.TheAversionprovidesafull3-Aof

gatedrivewhiletheBandCversionsprovide2-A

and1-A,respectively.Theoutputsareindependently

controlledwithTTLinputthresholds.Anintegrated

highvoltagediodeisprovidedtochargethehigh-side

gatedrivebootstrapcapacitor.Arobustlevelshifter

operatesathighspeedwhileconsuminglowpower

andprovidingcleanleveltransitionsfromthecontrol

logictothehigh-sidegatedriver.Undervoltage

lockoutisprovidedonboththelow-sideandthehigh-

sidepowerrails.

Thesedevicesareavailableinthestandard8-pin

SOIC,8-pinSO-PowerPAD,8-pinWSON,10-pin

WSON,and8-pinMSOPPowerPADpackages.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LM25101

MSOPPowerPAD(8)3mm×3mm

WSON(8)4mm×4mm

WSON(10)4mm×4mm

SOPowerPAD(8)3.9mm×4.89mm

SOIC(8)3.91mm×4.9mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

SimplifiedApplicationDiagram

Product specificaties