STMicroelectronics VIPER25
VIPER25 is an off-line converter with an 800 V rugged power section, a PWM control, double levels of overcurrent protection, overvoltage and overload protections, hysteretic thermal protection, soft-start and safe auto-restart after any fault condition removal. The quasiresonant feature reduces EMI filter cost. The high voltage start-up circuit is embedded in the device.| Part No. | VIPER25 |
|---|---|
| Datasheet | VIPER25 Download |
| Manufacturer |  STMicroelectronics |
| Description | Off-line high voltage converters |
| Buy | Stock & Price |
FEATURES
● 800 V avalanche rugged power section● Quasi-resonant (QR) control for valley switching operation
● 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 Application
● Adapters for PDA, camcorders, shavers, cellular phones, cordless phones, videogames
● Auxiliary power supply for LCD/PDP TV, monitors, audio systems, computer, industrial systems, LED driver, No el-cap LED driver, utility power meter
● SMPS for set-top boxes, DVD players andrecorders, white goods
DESCRIPTION
Burst mode operation and device very low consumption helps to meet the standby energy saving regulations. Brownout and brown-in function protects the switch mode power supply when the rectified input voltage level is below the normal minimum level specified for the system. Figure 1. Typical topology DS6205 - Rev 5 - February 2022 For further information contact your local STMicroelectronics sales office.
