VIPER27 Datasheet (STMicroelectronics) - Off-line high voltage converters

VIPER27, Off-line high voltage converters

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

VIPER27 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 pro