IRS25803DSPBF

IRS25803DSPBF “COMBO8” PFC + BALLAST CONTROL IC Features  PFC, ballast control and half-bridge driver in one IC  Critical-conduction mode boost-type PFC  Internal VBUS sensing and regulation  Internal PFC loop compensation  Programmable PFC over-current  Ignition voltage regulation (current or voltage control)  Half-bridge non-ZVS protection  Half-bridge over-current protection using low-side MOSFET Rdson  Programmable preheat time  Programmable preheat frequency  Programmable ignition ramp time  Programmable run frequency  Voltage-controlled oscillator (VCO) analog input  Latched EOL window comparator on VCC  Internal EOL fault timer  Fixed dead-time (1.7 µsec typ.)  DC bus under-voltage reset  Lamp insert auto-restart  Micro-power start-up current  Under-voltage lock-out mode  Small 8-pin SOIC package  Lead-free Product Summary Topology VOFFSET VBUS IO+ & IO- (typical) Dead-time Package Options Boost + Half-Bridge 600 V 470 V 180 mA & 260 mA 1.7µs 8-Lead SOIC Applications  Electronic Ballast Typical Application Diagram IRS25803DS 1 www.irf.com © 2014 International Rectifier February 24, 2014 ...