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VIPER38 Datasheet peak power high-voltage converter

Manufacturer: STMicroelectronics

Overview: VIPER38 VIPerPlus family: peak power high-voltage converter Figure 1.

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General Description

The device is a high-voltage converter that smartly integrates an 800 V rugged power MOSFET with PWM current-mode control.

The power MOSFET allows a very high input Vac to be applied, just limited from its breakdown voltage.

This IC is capable of meeting more stringent energy-saving standards as it has very low consumption and operates in burst mode under light load.

Key Features

  • 800 V avalanche-rugged power MOSFET allowing ultra wide range input Vac to be achieved.
  • Embedded HV start-up and sense FET.
  • PWM current-mode controller.
  • OCP with selectable threshold (IDlim) and 2nd OCP with higher value (IDMAX) to protect the IC from transformer saturation or short-circuit of the secondary diode.
  • 30 mW no-load consumption at 230 Vac.
  • Two operating frequencies:.
  • 60 kHz (L type) or 115 kHz (H type).
  • Jittered frequency reduces the EMI.

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