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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) 36.5 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 Surface Mount
Package / Case 8-SMD (7 Leads), Gull Wing
Supplier Device Package SMD-8C
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

TNY280GN - TinySwitch-III Offline Switching IC

The TNY280GN from Power Integrations is a high-performance offline switcher IC from the TinySwitch-III family, designed for reliable AC-DC power conversion in space-constrained applications. This integrated switcher delivers up to 36.5W of power using an efficient flyback topology with a 700V breakdown voltage rating.

Key Features

  • 36.5W Power Output: Ideal for medium-power applications including adapters, chargers, and auxiliary supplies
  • 700V Breakdown Voltage: Ensures robust operation across universal AC input ranges
  • 132kHz Switching Frequency: Enables compact transformer designs while minimizing audible noise
  • 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
  • Surface Mount Package: SMD-8C (8-pin) gull wing package for automated assembly
  • Wide Operating Temperature: -40°C to 150°C junction temperature range
  • RoHS Compliant: Meets environmental standards for lead-free manufacturing

Applications

The TNY280GN is perfectly suited for:

  • AC-DC power adapters and chargers
  • Auxiliary power supplies in industrial equipment
  • Home appliances and consumer electronics
  • LED lighting drivers
  • Standby power supplies

Why Choose TNY280GN?

Power Integrations' TinySwitch-III family represents the industry standard for integrated offline switchers, combining high efficiency, robust protection, and design simplicity. The TNY280GN reduces component count, simplifies design, and accelerates time-to-market for your power supply projects while ensuring reliable, long-term operation.

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