VIPER17 Datasheet - STMicroelectronics

VIPER17 HV switching regulator

The device is an off-line converter with an 800 V rugged power section, a PWM control, two levels of overcurrent protection, overvoltage and overload protections, hysteresis thermal protection, soft-start and safe auto-restart after any fault condition removal. The burst mode operation and the devic.

VIPER17 Energy saving VIPerPlus: HV switching regulator for flyback converter Datasheet - production data Limiting current with adjustable set point Adjustable and accurate overvoltage protection On-board soft-start Safe auto-restart after a fault condition Hysteresis thermal shutdown Figure 1: Typical topology Applications Adapters for PDA, camcorders, shavers, cellular phones, videogames Auxiliary power supply for LCD/PDP TV, monitors, audio system.

VIPER17 Features

* Advance frequency jittering reduces EMI filter

* 800 V avalanche rugged power section

* PWM operation with frequency jittering for low EMI

* Operating frequency:  60 kHz for L type cost. Brown-out function protects the switch mode power supply when the rectified input voltage level i

VIPER17_STMicroelectronics.pdf