元器件库存电子电子元器件LD7535BL电子元器件/库存电子元器件、

Green-ModePWMCo

ntrollerwithIntegratedProtections

Rev.01c

GeneralDes

cription

TheLD7535/LD753**arelowcost,lowstartupcurrent,

currentmodePWMco

ntrollerswithgreen-modepowersaving

operation.Theintegratedfunctionsincludethe

leading-edgeblankingofthecurrentsensing,internalslope

compensationandthetinypackageofSOT-26.They

providetheusersasuperiorAC/DCpowerapplicationof

higherefficiency,lowexternalcompo

nentcounts,andlower

costsolution.

Furthermore,LD7535/LD753**featuresmoreprotections

likeOLP(OverLoadProtection)andOVP(OverVoltage

Protection)toeliminatetheexternalprotectioncircuits.And

tosatisfydifferentdesigns,2versionsofOVPlevelsare

implementedas---

zLD7535---28.0V±1.5V.

zLD753**---21.0V±1.5V.

Features

zHigh-VoltageCMOSProcesswithExcellentESD

protection

zVeryLowStartupCurrent(<20μA)

zCurrentModeControl

zNon-audible-noiseGreenModeControl

zUVLO(UnderVoltageLockout)

zLEB(Leading-EdgeBlanking)onCSPin

zProgrammableSwitchingFrequency

zInternalSlopeCompensation

zOVP(OverVoltageProtection)onVccPin

zOLP(OverLoadProtection)

z300mADrivingCapability

Applications

zSwitchingAC/DCAdaptorandBatteryCharger

zOpenf

rameSwitchingPowerSupply

z384XReplacement