桂花蒸

VFD power supply module (without transformer)

 
Overview

EEI TECHNOLOGY VFD negative pressure and filament drive module

  • Using a charge pump to drive the filament, the Cuk topology generates negative pressure, generates less heat, and has a maximum efficiency of 92%.
  • It can be used directly with the PT63 series VFD driver chip.
  • The maximum filament driving capability is 500mA.
  • The maximum negative voltage output is 150mA (-20V).
  • With soft start, low starting current.
  • Optional filament power supply.
参考设计图片
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Update:2025-06-19 13:36:56

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