IRS27952STRPBF 驱动IC 现货库存 IR专营

Features

Simpleprimary-sidecontrolsolutionforfixedandvariable

frequencyDC-DCresonantconverters.

Max500kHzperchanneloutputwith50%dutycycle

Floatingchannelbootstrapoperationupto+600Vdc

Programmableminimumandmaximumswitchingfrequency

Programmablesoftstartfrequencyandsoftstarttime

Programmabledeadtime

Micropowerstart-up&ultralowquiescentcurrent

Over-currentprotectionusinglowsideMOSFETRds(on)

Userinitiatedmicropower“Sleepmode”

Under-voltageLockout

Simpledesignwithminimalcomponentcount.

Lead-free

TypicalApplication

LCD&PDPTV

TelecomSMPS,PCSMPS

HomeAudioSystems

TheIRS2795(1,2)(4)isaselfoscillatinghalf-bridgedriverICforDC-DCresonantconverterapplications,especially

theLLCresonanthalf-bridgeconverter.Thefrequencyanddeadtimecanbeprogrammedexternallyusingtwo

externalcomponents.TheICoffersovercurrentprotectionusingtheonstateresistanceofthelow-sideMOSFET.

TheICcanbedisabledbyexternallypullingthevoltageattheCT/SDpinbelowitsenablevoltagethreshold