Power supply module

Relay power supply module integrated circuits and reference designs

Description

Our integrated circuits and reference designs help you protect your grid assets by creating a highly efficient power supply that generates a clean isolated DC power output, while meeting EMI/EMC requirements and protects against fault conditions.

Isolated power supply modules for protection relays often require:

  • Operating with wide input range from 24-250 V for DC and 88-276 V for AC
  • Achieving high efficiency for multiple rails (24 V, 12 V, 5 V)
  • Providing output during dips and interruptions per IEC61000-4-11/ IEC61000-4-29
  • Reducing output ripple and low EMI
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