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Features
Ballast control and half bridge driver in one IC Programmable preheat frequency Programmable preheat time Internal ignition ramp Programmable over-current threshold Programmable run frequency
IR2156(S)PbF
BALLAST CONTROL IC
Programmable dead time DC bus under-voltage reset Shutdown pin with hysteresis Internal 15.6V zener clamp diode on Vcc Micropower startup (150 µA) Latch immunity and ESD protection
Description
The IR2156 incorporates a high voltage halfbridge gate driver with a programmable oscillator and state diagram to form a complete ballast control IC. The IR2156 features include programmable preheat and run frequencies, programmable preheat time, programmable dead-time, and programmable overcurrent protection.