VIPER37LDTR - STMicroelectronics

Manufacturer Part Number

VIPER37LDTR

Manufacturer

STMicroelectronics

Introduction

VIPER37LDTR is a high-performance offline switched-mode power supply (SMPS) controller IC.

Product Features and Performance

Isolated power supply

Integrated 800V avalanche-rugged power MOSFET

Up to 80% duty cycle

Flyback topology

Auto-restart or safe auto-restart and safe stand-by modes available

Overtemperature, overvoltage, and current limiting protection

Adjustable and accurate overvoltage protection (OVP)

High switching frequency at 60kHz

Extended power range up to 20W

Soft start and low standby power

Product Advantages

High-voltage capability for robust operation

Reduced component count leading to cost efficiency

Suitable for both isolated and non-isolated power supply designs

Improved power efficiency and reliability

Key Technical Parameters

Voltage - Breakdown: 800V

Voltage - Start Up: 14V

Voltage - Supply (Vcc/Vdd): 8.5V to 23.5V

Frequency - Switching: 60kHz

Power (Watts): 20W

Operating Temperature Range: -40°C to 150°C

Quality and Safety Features

Current limiting protection

Overtemperature protection

Overvoltage protection

Compatibility

Compatible with a wide range of downstream circuits and applications due to its isolated output and variable input voltage

Application Areas

Power supplies for consumer electronics

Power adapters for home appliances

Industrial power units

Smart metering and smart home systems

Auxiliary power supplies for white goods

Product Lifecycle

Active status; not nearing discontinuation

Available in standard packaging for easy integration

Several Key Reasons to Choose This Product

High integration results in a reduced bill of materials

Energy-saving features ensure compliance with eco-design norms

Proven reliability extending product life and reducing maintenance

Implementation flexibility for a wide range of power applications

Technical support and design resources available from STMicroelectronics