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Product attributes Property Value
Manufacturer Power Integrations
Product Series LinkSwitch™-TN2
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Isolation Non-Isolated
Internal Switch(s) Yes
Voltage - Breakdown 725V
Topology Buck, Buck-Boost, Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 69%
Frequency - Switching 66kHz
Power (Watts) -
Fault Protection Current Limiting, Over Temperature, Over Voltage, Short Circuit
Control Features -
Operating Temperature -40°C ~ 125°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 Power Integrations LNK3204D-TL is a non-isolated offline switching IC in an 8-SOIC (7-lead) package from the LinkSwitch™-TN2 series. It supports Buck, Buck-Boost, and Flyback topologies with an integrated 725V switch, 69% maximum duty cycle, and 66kHz switching frequency, plus current limiting, over temperature, over voltage, and short circuit protection.

  • Integrated 725V switch reduces external component count and simplifies design.
  • Multi-topology support (Buck, Buck-Boost, Flyback) adds design flexibility.
  • Comprehensive protection (current limiting, over temperature, over voltage, short circuit) improves reliability.
  • Wide -40°C to 125°C junction temperature range suits varied environments.

Non-Isolated Buck Supplies

The LNK3204D-TL supports Buck topology with an integrated 725V switch, ideal for compact non-isolated offline supplies using the LinkSwitch™-TN2 series.

Buck-Boost Converters

Buck-Boost topology support with a 69% maximum duty cycle and 66kHz switching suits step-up/down non-isolated designs.

Flyback Configurations

Flyback topology capability with an internal switch simplifies low-component-count offline designs.

Robust Protection Environments

Current limiting, over temperature, over voltage, and short circuit protection support reliable operation across -40°C to 125°C junction temperature.

Q: What topologies does the LNK3204D-TL support?
A: It supports Buck, Buck-Boost, and Flyback topologies.
Q: Is the output isolated?
A: No, it is non-isolated.
Q: Does it have an integrated switch?
A: Yes, it has an internal switch.
Q: What is the breakdown voltage?
A: The breakdown voltage is 725V.
Q: What is the switching frequency?
A: The switching frequency is 66kHz.
Q: What protections are included?
A: Current limiting, over temperature, over voltage, and short circuit protection.
Base Product Number : LNK3204D
725V 8-SOIC AC DC Converter Buck Converter Buck-Boost Converter Flyback Converter Internal Switch LinkSwitch-TN2 Non-Isolated Offline Switcher
Q: What topologies does the LNK3204D-TL support?
A: It supports Buck, Buck-Boost, and Flyback topologies.
Q: Is the output isolated?
A: No, it is non-isolated.
Q: Does it have an integrated switch?
A: Yes, it has an internal switch.
Q: What is the breakdown voltage?
A: The breakdown voltage is 725V.
Q: What is the switching frequency?
A: The switching frequency is 66kHz.
Q: What protections are included?
A: Current limiting, over temperature, over voltage, and short circuit protection.