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Product attributes Property Value
Manufacturer Power Integrations
Product Series TinySwitch®-4
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 725V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 67%
Frequency - Switching 124kHz ~ 140kHz
Power (Watts) 19 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-SOIC (0.154", 3.90mm Width), 7 Leads
Supplier Device Package SO-8C
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The TNY286DG-TL from Power Integrations is a flyback offline switcher in the TinySwitch®-4 series with an integrated 725V switch. It delivers up to 19W with a 67% maximum duty cycle and operates at 124kHz to 140kHz. Protection includes current limiting, open loop, over temperature, over voltage, and short circuit. The device uses an EN control feature and is supplied in an 8-SOIC (7-lead) package rated for -40°C to 150°C junction temperature.

  • Integrated 725V switch simplifies isolated flyback designs.
  • Delivers up to 19W for compact offline power supplies.
  • Comprehensive fault protection improves reliability.
  • 124kHz to 140kHz switching frequency in a small 8-SOIC package.
  • Wide -40°C to 150°C junction temperature range for demanding thermal conditions.

Isolated Flyback Power Supplies

The TNY286DG-TL is a flyback switcher with an integrated 725V switch, providing galvanic isolation for offline AC-DC designs up to 19W.

Compact Adapters and Chargers

With a 124kHz to 140kHz switching frequency and 67% maximum duty cycle, the device supports compact isolated power supplies in an 8-SOIC package.

Robust Offline Designs

Comprehensive protection including current limiting, open loop, over temperature, over voltage, and short circuit helps ensure reliable operation.

High-Temperature Environments

Rated for -40°C to 150°C junction temperature, it suits demanding thermal conditions.

Enable-Controlled Regulation

The EN control feature supports regulation in TinySwitch-4 flyback designs.

Q: What topology does the TNY286DG-TL use?
A: It is a flyback offline switcher with an integrated switch.
Q: What is the breakdown voltage?
A: The internal switch has a 725V breakdown voltage rating.
Q: How much power can it deliver?
A: It delivers up to 19W.
Q: What switching frequency does it use?
A: It operates at 124kHz to 140kHz.
Q: What protections are included?
A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.
Base Product Number : TNY286DG
124kHz-140kHz 19W 725V 8-SOIC Flyback Converter Isolated Offline Switcher PMIC TinySwitch-4
Q: What topology does the TNY286DG-TL use?
A: It is a flyback offline switcher with an integrated switch.
Q: What is the breakdown voltage?
A: The internal switch has a 725V breakdown voltage rating.
Q: How much power can it deliver?
A: It delivers up to 19W.
Q: What switching frequency does it use?
A: It operates at 124kHz to 140kHz.
Q: What protections are included?
A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.