Features
?600VHalfBridgeDriver
?IntegratedBootstrapFET
?Adaptivezero-voltageswitching(ZVS)
?InternalCrestFactorOver-CurrentProtection
?0to6VDCVoltageControlLEDOscillator
?Programmableminimumfrequency
?MICropowerStartupCurrent(80uA)
?Internal15.6VzenerclamponVcc
?SmallDIP8/SO8Package
?AlsoavailableLEAD-FREE(PbF)
Description
TheIR2520D(S)isacompleteadaptiveballastcontrollerand600Vhalf-bridgedriverintegratedintoasingle
ICforfluorescentlightingapplications.TheICincludesadaptivezero- voltageswitching(ZVS),internalcrest
factorover-currentprotection,aswellasanintegratedbootstrapFET.TheheartofthisICisavoltagecontrolled
oscillatorwithexternallyprogrammableminimumfrequency.Allofthenecessaryballastfeaturesare
integratedinasmall8-pinDIPorSOICpackage.