IR2156STRPBF

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. Comprehensive protection
features such as protection from failure of a lamp to
strike, filament failures, as well as an automatic
restart function, have been included in the design.


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    SPECIFICATION

    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

    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