STMicroelectronics

VIPER38HDTR  

AC DC Converters, Offline Switches

VIPER38HDTR Description

The VIPER38HDTR from STMicroelectronics is a high-performance offline switch designed for flyback topology applications, offering 20W power output with isolated output capability. This ROHS3 Compliant and REACH Unaffected device operates at a switching frequency of 115kHz, ensuring efficient power conversion with minimal losses. Featuring an internal 800V avalanche-rugged power MOSFET, it supports a wide input voltage range (8.5V–23.5V) and a start-up voltage of 14V, making it ideal for robust and reliable power supply designs. Packaged in a 16SO surface-mount format with Tape & Reel (TR), it is optimized for automated assembly processes.

VIPER38HDTR Features

• Integrated High-Voltage MOSFET: 800V breakdown voltage ensures durability in high-stress environments.
• Comprehensive Protection: Includes current limiting, over-temperature, over-voltage, and short-circuit protection for enhanced system reliability.
• High Efficiency: 80% duty cycle and 115kHz switching frequency optimize power delivery while reducing heat dissipation.
• Wide Operating Range: Supports 8.5V–23.5V input, accommodating fluctuating power conditions.
• Compact & Reliable: MSL 3 (168 hours) moisture sensitivity rating ensures longevity in humid environments.

VIPER38HDTR Applications

• AC/DC Adapters: Ideal for low-power chargers and consumer electronics power supplies.
• Industrial Power Systems: Suitable for auxiliary power modules in automation and control systems.
• LED Drivers: Efficiently powers LED lighting solutions with stable voltage regulation.
• Home Appliances: Used in smart home devices requiring compact, isolated power conversion.

Conclusion of VIPER38HDTR

The VIPER38HDTR stands out as a versatile, high-efficiency offline switch for flyback converters, combining advanced protection features, wide input range, and compact design. Its 800V MOSFET and 20W output make it a superior choice for cost-sensitive yet demanding applications, from consumer adapters to industrial power systems. With STMicroelectronics' proven reliability, this device ensures long-term performance in diverse electronic designs.

VIPER38HDTR Documents

Download datasheets and manufacturer documentation for VIPER38HDTR

PCN Assembly/Origin :

Mult Dev 11/Nov/2022      

Datasheets :

VIPER38      

HTML Datasheet :

VIPER38