- PFC, ballast control and 600 V half-bridge driver in one IC
- Critical-conduction mode boost-type PFC
- Programmable PFC over-current protection
- Programmable half-bridge over-current protection
- Programmable preheat frequency
- Programmable preheat time
- Programmable ignition ramp
- Programmable run frequency
- Closed-loop ignition current regulation
- RoHs compliant
- Fixed internal 1.6 祍 HO and LO deadtime
- Voltage-controlled oscillator (VCO)
- End-of-life window comparator pin
- Internal 65-event current sense up/down fault counter
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- DC bus undervoltage reset
- Lamp removal/auto-restart shutdown pin
- Internal bootstrap MOSFET
- Internal 15.6 V Zener clamp diode on Vcc
- Micropower startup (250 礎)
- Latch immunity and ESD protection
System Features
- One-chip ballast control solution
- Wide range PFC for universal input and multi-lamp ballasts
- Ultra low THD
- Closed-loop ignition regulation for reliable lamp ignition
- End-of-Life window comparator with internal OTA
- Lamp removal/auto-restart function
- Fault counter for robust noise immunity
- Brown-out protection and reset
- Internal bootstrap MOSFET
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