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

STMicroelectronics

Download the VIPER12A datasheet PDF. This datasheet also includes the VIPER12A-E variant, as both parts are published together in a single manufacturer document.

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VIPER12A low power offline switched-mode power supply primary switcher by STMicroelectronics - Datasheet Preview — 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	VIPER12A Datasheet

General Description

The VIPER12A combines 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 supplies for battery charger adapters, standby power supplies for TV or monitors, auxiliary supplies for motor control, etc.

Overview

VIPER12A-E Low power offline switched-mode power supply primary.

Key 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.

📁 Similar Datasheet

Brand Logo	Part Number	Description	Manufacturer
	VIPER12ADIP-E	Low Power OFF-Line SMPS Primary Switcher	ST Microelectronics
	VIPER12AS-E	Low Power OFF-Line SMPS Primary Switcher	ST Microelectronics

More Datasheets from STMicroelectronics

Part Number	Description
VIPER12A-E	Low power offline switched-mode power supply primary switcher
VIPER12ADIP	LOW POWER OFF LINE SMPS PRIMARY SWITCHER
VIPer12AS	LOW POWER OFF LINE SMPS PRIMARY SWITCHER
VIPER122	High voltage converter
VIPER100	SMPS PRIMARY I.C.
VIPer100A	SMPS PRIMARY I.C.
VIPer100A-E	Fixed frequency off-line converter
VIPer100ASP	SMPS PRIMARY I.C.
VIPer100ASP-E	Fixed frequency off-line converter
VIPER100B	SMPS PRIMARY I.C.