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IRS25803DSPBF_15 Datasheet, PDF (1/1 Pages) International Rectifier – Critical-conduction mode boost-type PFC
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
1 www.irf.com © 2014 International Rectifier
February 24, 2014