Manufacturer Part Number
VIPER27HN
Manufacturer
stmicroelectronics
Introduction
The VIPER27HN is a highly efficient, offline switch power management integrated circuit from the VIPer™ plus series, designed for robust AC to DC conversion.
Product Features and Performance
Integrated high-voltage MOSFET
Enhanced power handling capability with an 800V avalanche-rugged power section
Flyback converter topology
Built-in features for system reliability including soft-start and burst mode for reduced switching noise
Offers a solution for a compact PCB layout due to minimized external components
High efficiency through optimized operating frequency at 115kHz
Product Advantages
Reduced system cost by integrating multiple protections
Facilitates lower standby power consumption
High reliability and longer lifespan under varying operating conditions
Key Technical Parameters
Output Isolation: Isolated
Internal Switch(s): Yes
Breakdown Voltage: 800V
Start-Up Voltage: 14V
Supply Voltage: 8.5V to 23.5V
Duty Cycle: 80%
Frequency Switching: 115kHz
Power Output: 20 Watts
Protections: Current Limiting, Over Temperature, Over Voltage
Quality and Safety Features
Overvoltage, overtemperature, and current limiting protections enhance operational safety.
Robust thermal management supports operating temperatures from -40°C to 150°C.
Compatibility
Compatible with a variety of input voltages (8.5V ~ 23.5V) facilitating use in multiple countries and applications.
Application Areas
Suitable for adapters, power supplies, and power converters needed in industrial, consumer electronics, and telecommunications.
Product Lifecycle
Currently classified as an active product.
Future updates or discontinuations will be accompanied by replacement or upgrade options.
Several Key Reasons to Choose This Product
Comprehensive integration reduces the need for additional external components, minimizing overall system costs.
Durable and reliable performance in a range of climate conditions and power fluctuations.
Efficient power conversion reduces energy costs and meets energy compliance standards in multiple regions.
A wide range of built-in safety features ensures protection against common electrical faults, enhancing the product's operational reliability and user safety.
VIPER28HSTMicroelectronics