VIPER12A-E
VIPER12A-E is Low power offline switched-mode power supply primary switcher manufactured by STMicroelectronics.
Low power offline switched-mode power supply primary switcher
Features
- Fixed 60 kHz switching frequency
- 9 V to 38 V wide range VDD voltage
- Current mode control
- Auxiliary undervoltage lockout with hysteresis
- High voltage start-up current source
- Overtemperature, overcurrent and overvoltage protection with auto-restart
- Typical power capability
- European (195
- 265 Vac) 8 W for SO-8, 13 W for DIP-8
- European (85
- 265 Vac) 5 W for SO-8, 8 W for DIP-8
Description
The VIPER12A bines a dedicated current mode PWM controller with a high voltage power MOSFET on the same silicon chip.
Figure 1. Block diagram
SO-8
DIP-8
Typical applications cover off line power...
