IRS25803DSPBF
“COMBO8” PFC + BALLAST CONTROL IC
Features
Product Summary
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
Topology
Boost + Half-Bridge
VOFFSET
600 V
VBUS
470 V
IO+ & IO- (typical)
180 mA & 260 mA
Dead-time
1.7µs
Package Options
8-Lead SOIC
Applications
Electronic Ballast
IRS25803DS
Typical Application Diagram
1
www.irf.com
© 2014 International Rectifier
February 24, 2014
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