Three-Way Ballast Controller IC

Three-Way Ballast Controller IC

Three-Way Ballast Controller IC

Product ID: PT5621

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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.
Features
  • 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

Main Products

Adaptive Control IC for Fluorescent Lamp Ballast, USB Audio Controller, Linear Dimming LED Driver with Switch On/off, Automotive Digital Clock IC, OEM GPS Receiver, RF Chip, Auto Focus Motor Driver IC

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