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TNY268G - TinySwitch-II Offline Switcher IC

The TNY268G from Power Integrations is a high-performance offline switcher IC from the TinySwitch-II series, designed for isolated flyback topology applications up to 23W. This surface mount device features an integrated 700V power MOSFET and operates at 132kHz switching frequency with 65% duty cycle capability.

Key Features:

  • Integrated Design: Built-in 700V power MOSFET eliminates external switching components
  • Comprehensive Protection: Current limiting, open loop detection, over-temperature, and short circuit protection
  • Wide Operating Range: -40°C to 150°C junction temperature for demanding applications
  • Compact Package: SMD-8B (8-SMD with 7 leads) gull wing surface mount design
  • Energy Efficient: 132kHz switching frequency optimizes transformer size and efficiency

Applications:

Ideal for AC-DC power supplies, battery chargers, LED drivers, and auxiliary power supplies in industrial, consumer, and telecommunications equipment.

Technical Specifications:

Note: This is a genuine Power Integrations component with full traceability and lifecycle support. Contact us for volume pricing, technical documentation, and design-in assistance.

Product attributes Property Value
Manufacturer Power Integrations
Product Series TinySwitch®-II
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) 23 W
Fault Protection Current Limiting, Open Loop, Over Temperature, 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-8B