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Product attributes Property Value
Manufacturer Power Integrations
Product Series TinySwitch®-III
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 65%
Frequency - Switching 132kHz
Power (Watts) 32 W
Fault Protection Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit
Control Features EN
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm), 7 Leads
Supplier Device Package 8-PDIP-C

Power Integrations TNY279PNAU - TinySwitch-III Offline Switcher IC

The TNY279PNAU is a high-performance offline switcher IC from Power Integrations' TinySwitch-III family, designed for isolated flyback topology applications up to 32W. This integrated solution combines a 700V power MOSFET with advanced control circuitry, delivering reliable AC-DC conversion with comprehensive protection features.

Key Features & Benefits

  • Integrated 700V Power MOSFET: Eliminates external switching components for simplified design
  • 32W Power Output: Ideal for consumer electronics, industrial controls, and auxiliary power supplies
  • 132kHz Switching Frequency: Enables compact transformer design and reduced EMI
  • Comprehensive Protection: Built-in current limiting, over-voltage, over-temperature, short circuit, and open loop protection
  • 65% Maximum Duty Cycle: Optimized for efficient energy transfer
  • Wide Operating Temperature Range: -40°C to 150°C junction temperature for demanding environments
  • Through-Hole 8-DIP Package: Easy prototyping and reliable manufacturing

Applications

Perfect for AC-DC power supplies in set-top boxes, white goods, industrial controls, LED lighting drivers, and auxiliary power systems requiring isolated output with high reliability and long lifecycle support.

Authenticity & Quality Assurance

All TNY279PNAU units are sourced directly from authorized Power Integrations distributors, ensuring 100% genuine components with full manufacturer documentation, traceability, and warranty support. Each IC is supplied in factory-sealed packaging with complete datasheet and application notes.

No datasheet available. Please contact sales@hqickey.com for the latest datasheet.