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IRS25803DSPBF_15 Datasheet, PDF (1/1 Pages) International Rectifier – Critical-conduction mode boost-type PFC | |||
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IRS25803DSPBF
âCOMBO8â PFC + BALLAST CONTROL IC
Features
ï· PFC, ballast control and half-bridge driver in one IC
ï· Critical-conduction mode boost-type PFC
ï· Internal VBUS sensing and regulation
ï· Internal PFC loop compensation
ï· Programmable PFC over-current
ï· Ignition voltage regulation (current or voltage control)
ï· Half-bridge non-ZVS protection
ï· Half-bridge over-current protection using low-side
MOSFET Rdson
ï· Programmable preheat time
ï· Programmable preheat frequency
ï· Programmable ignition ramp time
ï· Programmable run frequency
ï· Voltage-controlled oscillator (VCO) analog input
ï· Latched EOL window comparator on VCC
ï· Internal EOL fault timer
ï· Fixed dead-time (1.7 µsec typ.)
ï· DC bus under-voltage reset
ï· Lamp insert auto-restart
ï· Micro-power start-up current
ï· Under-voltage lock-out mode
ï· Small 8-pin SOIC package
ï· 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
ï· Electronic Ballast
Typical Application Diagram
1 www.irf.com © 2014 International Rectifier
February 24, 2014
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