HALF-BRIDGE BALLAST IC
IRS2580DSPbF
“COMBO8” PFC + HALF-BRIDGE BALLAST IC Features
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Description
IRS2580DSPbF
“COMBO8” PFC + HALF-BRIDGE BALLAST 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 Rds(on) 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 (1.7usec 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
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Product Summary
Topology VOFFSET VOUT IO+ & IO- (typical) Dead-time Boost + Half-Bridge 600 V VCC 180 mA & 260 mA 1.7us
Package Options
Typical Application
Electronic Ballast
Typical Application Block Diagram
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