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VIPER12A - Low power offline switched-mode power supply primary switcher

Download the VIPER12A datasheet PDF. This datasheet also covers the VIPER12A-E variant, as both devices belong to the same low power offline switched-mode power supply primary switcher family and are provided as variant models within a single manufacturer datasheet.

Description

The VIPER12A combines a dedicated current mode PWM controller with a high voltage power MOSFET on the same silicon chip.

Figure 1.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (VIPER12A-E-STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number VIPER12A
Manufacturer STMicroelectronics
File Size 495.65 KB
Description Low power offline switched-mode power supply primary switcher
Datasheet download datasheet VIPER12A Datasheet

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Other Datasheets by STMicroelectronics

Part Number Description
VIPER12A-E Low power offline switched-mode power supply primary switcher
VIPER12ADIP LOW POWER OFF LINE SMPS PRIMARY SWITCHER
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VIPER122 High voltage converter
VIPER100 SMPS PRIMARY I.C.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
VIPER12A-E 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 combines a dedicated current mode PWM controller with a high voltage power MOSFET on the same silicon chip. Figure 1.
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