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Product attributes Property Value
Manufacturer Power Integrations
Product Series LinkSwitch™-4
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Isolation Isolated
Internal Switch(s) No
Voltage - Breakdown -
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) 5V ~ 16.5V
Duty Cycle -
Frequency - Switching 65kHz
Power (Watts) 6.5 W
Fault Protection Over Temperature, Over Voltage, Short Circuit
Control Features -
Operating Temperature -25°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SOT-23-6
Supplier Device Package SOT-23-6
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LNK4022S-TL from Power Integrations is a LinkSwitch-4 flyback switcher for isolated offline applications, rated at 6.5W. It drives an external switch from a 5V to 16.5V Vcc supply at a 65kHz switching frequency. Over temperature, over voltage, and short circuit protection are integrated, in a compact SOT-23-6 package rated -25°C to 125°C junction temperature.

  • 6.5W flyback rating for compact isolated offline supplies.
  • 65kHz fixed switching frequency simplifies magnetic design.
  • Over temperature, over voltage, and short circuit protection for robust operation.
  • Compact SOT-23-6 package saves board space.
  • Part of the LinkSwitch-4 series for a consistent design platform.

Low-Power Isolated Supplies

The LNK4022S-TL is a flyback switcher rated for 6.5W, suited to compact isolated offline supplies such as auxiliary and bias power rails.

Compact SOT-23-6 Designs

The SOT-23-6 package supports space-constrained layouts where board area is limited.

Fixed 65kHz Operation

A 65kHz switching frequency provides a defined operating point for transformer and filter design in low-power flyback stages.

Robust Fault Handling

Over temperature, over voltage, and short circuit protection help safeguard the converter under fault conditions.

LinkSwitch-4 Platform

Part of the LinkSwitch-4 series, offering a consistent design platform for isolated flyback supplies.

Q: What topology does the LNK4022S-TL use?
A: It is a flyback switcher for isolated offline applications.
Q: Does it have an internal switch?
A: No, it drives an external switch.
Q: What is the Vcc supply range?
A: 5V to 16.5V.
Q: What power level does it support?
A: 6.5W.
Q: What switching frequency does it use?
A: 65kHz.
Q: What protections are included?
A: Over temperature, over voltage, and short circuit protection.
Base Product Number : LNK4022S
6.5W 65kHz External Switch Flyback Switcher Isolated LinkSwitch-4 Offline AC-DC Power Integrations SOT-23-6
Q: What topology does the LNK4022S-TL use?
A: It is a flyback switcher for isolated offline applications.
Q: Does it have an internal switch?
A: No, it drives an external switch.
Q: What is the Vcc supply range?
A: 5V to 16.5V.
Q: What power level does it support?
A: 6.5W.
Q: What switching frequency does it use?
A: 65kHz.
Q: What protections are included?
A: Over temperature, over voltage, and short circuit protection.