EVALUATION BOARD IMPLEMENTS A 5 V – 1.8 W ISOLATED FLYBACK CONVERTER

The STEVAL-VP22201B evaluation board implements a 5 V – 1.8 W isolated flyback converter developed for general purpose applications operating from 85 to 265 VAC.

EVALUATION BOARD IMPLEMENTS A 5 V – 1.8 W ISOLATED FLYBACK CONVERTER

The reference design is built around the VIPer222XSTR offline high-voltage converter from the VIPerPlus family, with 730 V Power MOSFET and PWM current-mode control.

The main characteristics of the evaluation board are its small size and minimal BOM, low stand-by consumption and tight line and load regulation over the entire input and output range. Extremely low consumption under no-load condition is ensured thanks to burst mode operation that reduces the average switching frequency and minimizes all frequency related losses.

ey Features

  • Universal input mains range: 85–265 VAC
  • Frequency: 50-60Hz
  • Output voltage: 5 V
  • Output current: 360 mA
  • Very compact size
  • Stand-by mains consumption: < 18mW at 230 VAC
  • Tight line and load regulation over the entire input and output range

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