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MC33157 Half Bridge Controller and Driver for Industrial Linear Tubes
The MC33157 includes the oscillator circuit and two output channels to control a half–bridge power stage. One of the channels is ground–referenced. The second one is floating to provide a bootstrap operation for the high side switch.
Dedicated Driver for Industrial Linear Tubes http://onsemi.com
• Main oscillator is current controlled, making it easy to set up by a • •
single external resistor. On top of that, such a feature is useful to implement a dimming function by frequency shift. Filament pre–heating time control built–in. The strike sequence is controllable by external passive components, the resonnant frequency being independently adjustable.
MC33157 Datasheet
