Manufacturer Part Number
VIPER28HDTR
Manufacturer
STMicroelectronics
Introduction
The VIPER28HDTR is an energy-efficient, offline high-voltage converter from the VIPer plus family.
Product Features and Performance
High-voltage converter with 800V rugged power section
Flyback topology providing isolated output
Integrated 800V avalanche-rugged MOSFET
Frequency switching at 115kHz
Extended power range up to 16 Watts
Self-supply without auxiliary winding
Start-up voltage: 14V
Operating supply voltage range: 8.5V to 23.5V
80% maximum duty cycle for higher power applications
Product Advantages
High energy efficiency for low power dissipation
Current limiting, over temperature, over voltage, and short-circuit protections enhance safety
Minimal external components due to integrated functionalities
Bulk capacitance reduction leading to a lower system cost
Extended operating temperature range suitable for industrial conditions
Key Technical Parameters
Voltage - Breakdown: 800V
Topology: Flyback
Voltage - Start Up: 14V
Voltage - Supply (Vcc/Vdd): 8.5V ~ 23.5V
Duty Cycle: 80%
Frequency - Switching: 115kHz
Power (Watts): 16W
Quality and Safety Features
Current limiting
Over temperature protection
Over voltage protection
Short circuit protection
Compatibility
Compatible with a wide range of AC inputs and can be used for different power levels through design adjustments
Application Areas
Power supplies for household appliances
Adapter and charger auxiliary power supplies
Industrial power systems
Power conditioning
Product Lifecycle
Active product status; not reported as nearing discontinuation
Potential future availability of replacements or upgrades within the VIPer plus series
Key Reasons to Choose This Product
Robust high-voltage power integration suitable for a wide range of AC/DC applications
Built-in protections contribute to overall system reliability and safety
Optimized for both cost and energy-efficiency targets
Extended junction temperature range makes it ideal for harsh environments
Reduced external component count leads to a simpler design and faster time-to-market
STMicroelectronics' reputation for quality and support
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