IR2520 Datasheet | International Rectifier

ADVANCE DATA Data Sheet No. PD60212 Rev A IR2520D(S) ADAPTIVE BALLAST CONTROL IC - - - - - - - - - Features 600V Half Bridge Driver Integrated Bootstrap Diode Adaptive zero-voltage switching (ZVS) Internal Crest Factor Over-Current Protection 0 to 5VDC Voltage Controlled Oscillator Programmable minimum frequency Micropower Startup Current (150u A) Internal 15.6V zener clamp on Vcc Small DIP8/SO8 Package Packages 8-Lead PDIP IR2520D 8 Lead SOIC IR2520DS Description The IR2520D(S) is a plete adaptive ballast controller and 600V half-bridge driver integrated into a single IC for fluorescent lighting applications. The IC includes adaptive zero-voltage switching (ZVS), internal crest factor over-current protection, as well as an integrated bootstrap diode. The heart of this IC is a voltage controlled oscillator with externally programmable minimum frequency. All of the necessary ballast Features are integrated in a small 8-pin DIP or SOIC package. Typical Application Diagram L1 C2 RSUPPLY BR DCP1 CFL LAMP VCC 1 C1 F1 RFMIN CVCC 2 FMIN 3 VCO 4 CVCO VB 8 HO 7 VS 6 LO 5 M1 LRES Please note that this data sheet contains advance information which could change before product is released to production. IR2520D(S) CBOOT CCP M2 CRES DCP2 C3 .irf. IR2520D(S) ADVANCE...