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VIPER27 Datasheet Off-line high voltage converters

Manufacturer: STMicroelectronics

Overview: VIPER27 Off-line high voltage converters.

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General Description

The device is an off-line converter with an 800 V rugged power section, a PWM control, two levels of over-current protection, overvoltage and overload protections, hysteretic thermal protection, soft-start and safe auto-restart after any fault condition removal.

Burst mode operation and device very low consumption help to meet the standby energy saving regulations.

Advance frequency jittering reduces EMI filter cost.

Key Features

  • 800 V avalanche rugged power section PWM operation with frequency jittering for low EMI Operating frequency:.
  • 60 kHz for L type.
  • 115 kHz for H type Standby power < 50 mW at 265 Vac Limiting current with adjustable set point Adjustable and accurate overvoltage protection On-board soft-start Safe auto-restart after a fault condition Hysteretic thermal shutdown SO16 narrow DIP-7 SO 16.

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