Three-Way Ballast Controller IC
Product ID: PT5621
The PT5621 is an electronic ballast controller IC specifically for three-way dimming fluorescent lamps. The features of the controller include negative-feedback closed-loop control of the lamp current, programmable preheat time, low start-up current and precise oscillating frequency. PT5621 is available in both DIP16 and SOP16 packages.
- Three-way dimming fluorescent lamp electronic ballast
- Closed-loop control of the lamp current
- Precise working frequency control
- Programmable preheat time
- Constant frequency preheat, sweeping frequency ignition
- Fixed dead time
- Supporting low luminance Ignition
- Supporting DIP16/SOP16 packages
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Contact Details
Sales Contact: Larry Lee
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