Three-Way Ballast Controller

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. By Princeton Technology Corp.
PT5621 's PackagesPT5621 's pdf datasheet

PT5621 Pinout, Pinouts
PT5621 pinout,Pin out
This is one package pinout of PT5621,If you need more pinouts please download PT5621's pdf datasheet.

PT5621 Application circuits
PT5621 circuits
This is one application circuit of PT5621,If you need more circuits,please download PT5621's pdf datasheet.

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