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Product attributes Property Value
Manufacturer Power Integrations
Product Series LinkSwitch™-TN2
Packaging Tube |
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 Through Hole
Package / Case 8-DIP (0.300", 7.62mm), 7 Leads
Supplier Device Package 8-PDIP-C
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LNK3202P from Power Integrations is a LinkSwitch-TN2 offline switcher IC with an integrated power switch for non-isolated Buck, Buck-Boost, and Flyback designs. It offers a 725V breakdown rating, 66kHz switching frequency, and 69% maximum duty cycle. Current limiting, over temperature, over voltage, and short circuit protection support operation across a -40°C to 125°C junction temperature range in an 8-DIP package.

  • Integrated power switch reduces external component count and simplifies non-isolated offline designs.
  • 725V breakdown voltage provides margin for offline AC-DC operation.
  • Supports Buck, Buck-Boost, and Flyback topologies for design flexibility.
  • Protection suite includes current limiting, over temperature, over voltage, and short circuit.
  • Wide -40°C to 125°C junction temperature range for varied environments.

Non-Isolated Bias Supplies

The LNK3202P's Buck topology and 725V breakdown rating suit non-isolated bias supplies in appliances and controls, with an integrated switch enabling a compact offline solution.

Buck-Boost Auxiliary Rails

Using Buck-Boost topology, this LinkSwitch-TN2 device generates auxiliary rails where output may sit above or below input, with soft start and frequency control supporting stable startup.

Low-Power Flyback Designs

For non-isolated flyback configurations, the 66kHz switching frequency and 69% max duty cycle enable compact magnetics, while current limiting and short circuit protection safeguard the design.

Enclosed Offline Switching

With a -40°C to 125°C junction temperature range, the LNK3202P suits enclosed power designs, while over temperature and over voltage protection enhance reliability.

Q: What topologies does the LNK3202P support?
A: It supports Buck, Buck-Boost, and Flyback topologies for non-isolated offline designs.
Q: Does it include an integrated switch?
A: Yes, the power switch is integrated, simplifying design and reducing external parts.
Q: What is the breakdown voltage rating?
A: The device has a 725V breakdown voltage rating.
Q: What switching frequency does it use?
A: It operates at 66kHz with a maximum duty cycle of 69%.
Q: What protections are included?
A: Current limiting, over temperature, over voltage, and short circuit protection are provided.
Base Product Number : LNK3202P
66kHz 725V 8-DIP Buck Converter Buck-Boost Converter Flyback Converter LinkSwitch-TN2 Non-Isolated Offline Switcher Power Integrations
Q: What topologies does the LNK3202P support?
A: It supports Buck, Buck-Boost, and Flyback topologies for non-isolated offline designs.
Q: Does it include an integrated switch?
A: Yes, the power switch is integrated, simplifying design and reducing external parts.
Q: What is the breakdown voltage rating?
A: The device has a 725V breakdown voltage rating.
Q: What switching frequency does it use?
A: It operates at 66kHz with a maximum duty cycle of 69%.
Q: What protections are included?
A: Current limiting, over temperature, over voltage, and short circuit protection are provided.