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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) 6 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 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad
Supplier Device Package 12-ESOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The TNY284KG-TL from Power Integrations (TinySwitch®-4 series) is an isolated flyback AC-DC converter with an integrated power switch. It offers a 725V breakdown voltage, 6 W output power, 124kHz to 140kHz switching frequency, and 67% maximum duty cycle. Protections include current limiting, open loop, over temperature, over voltage, and short circuit. Housed in a 12-BESOP package with exposed pad, it operates across a -40°C to 150°C junction temperature range.

  • Integrated power switch reduces external component count and simplifies flyback design.
  • 725V breakdown voltage supports universal AC input applications.
  • Comprehensive fault protection (current limiting, open loop, OTP, OVP, SCP) enhances reliability.
  • Wide -40°C to 150°C junction temperature range suits demanding environments.
  • 12-BESOP package with exposed pad aids thermal performance in compact designs.

Low-Power AC-DC Supplies

The TNY284KG-TL is an isolated flyback converter with an integrated switch, ideal for low-power offline supplies up to 6 W.

Standby Power Rails

With 6 W output and integrated switch, it suits compact standby and auxiliary supplies in appliances.

Compact Chargers

The 124kHz to 140kHz switching frequency and 67% max duty cycle enable compact transformer designs.

Harsh Environment Electronics

An operating junction temperature range of -40°C to 150°C supports reliable operation in demanding thermal environments.

Space-Constrained Designs

The 12-BESOP package with exposed pad and integrated switch helps minimize board area.

Q: What topology does the TNY284KG-TL use?
A: It is a flyback converter for isolated offline AC-DC supplies.
Q: Does it have an integrated switch?
A: Yes, the power switch is integrated on-chip.
Q: What is the breakdown voltage?
A: The device has a 725V breakdown voltage rating.
Q: What power level does it support?
A: It delivers up to 6 W of output power.
Q: What protections are included?
A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.
Base Product Number : TNY284KG
12-BESOP 124kHz-140kHz 6 W 725V Breakdown AC-DC Converter Flyback Converter Isolated Offline Switcher Power Integrations TinySwitch-4
Q: What topology does the TNY284KG-TL use?
A: It is a flyback converter for isolated offline AC-DC supplies.
Q: Does it have an integrated switch?
A: Yes, the power switch is integrated on-chip.
Q: What is the breakdown voltage?
A: The device has a 725V breakdown voltage rating.
Q: What power level does it support?
A: It delivers up to 6 W of output power.
Q: What protections are included?
A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.