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Product attributes Property Value
Manufacturer Power Integrations
Product Series LinkSwitch™-HP
Packaging Tube |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 725V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 64%
Frequency - Switching 120kHz ~ 136kHz
Power (Watts) 34 W
Fault Protection Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit
Control Features -
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 12-SDIP (0.412", 10.46mm), 11 Leads, Exposed Pad
Supplier Device Package eDIP-12
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Power Integrations LNK6776V from the LinkSwitch™-HP series is an isolated Flyback offline switcher with an integrated 725V breakdown power switch. It delivers up to 34 W with a 120kHz to 136kHz switching frequency and 64% maximum duty cycle. Current limiting, over load, over temperature, over voltage, and short circuit protection ensure safe operation across a -40°C to 150°C junction temperature range in a 12-SDIP package.

  • 725V integrated switch for robust offline isolation.
  • Isolated Flyback topology delivering up to 34 W.
  • Full protection suite: current limiting, over load, over temperature, over voltage, and short circuit.
  • Wide -40°C to 150°C junction temperature range.
  • 120kHz to 136kHz switching frequency for compact magnetics.

Isolated Flyback Power Supplies

With a 725V integrated switch and isolated Flyback topology, the LNK6776V suits mid-power AC-DC supplies up to 34 W. The 120kHz to 136kHz switching range and 64% max duty cycle support compact transformer designs.

Industrial Control and Instrumentation

The -40°C to 150°C junction temperature range supports reliable operation in industrial environments. Over voltage, over load, over temperature, current limiting, and short circuit protection enhance system safety.

Consumer and Appliance Adapters

The integrated power switch simplifies isolated adapter designs, reducing external component count while maintaining galvanic isolation between input and output.

Auxiliary Bias Supplies

This LinkSwitch™-HP device provides a regulated isolated bias rail for systems requiring a mains-derived auxiliary supply.

Q: What topology does the LNK6776V use?
A: It is an isolated Flyback offline switcher.
Q: What is the breakdown voltage?
A: The integrated switch is rated at 725V breakdown.
Q: How much power does it deliver?
A: Up to 34 W of output power.
Q: What switching frequency does it use?
A: It operates from 120kHz to 136kHz.
Q: What protections are built in?
A: Current limiting, over load, over temperature, over voltage, and short circuit protection.
Base Product Number : LNK6776V
12-SDIP 34W 725V AC-DC Converter Flyback Converter Isolated LinkSwitch-HP Offline Switcher Power Integrations
Q: What topology does the LNK6776V use?
A: It is an isolated Flyback offline switcher.
Q: What is the breakdown voltage?
A: The integrated switch is rated at 725V breakdown.
Q: How much power does it deliver?
A: Up to 34 W of output power.
Q: What switching frequency does it use?
A: It operates from 120kHz to 136kHz.
Q: What protections are built in?
A: Current limiting, over load, over temperature, over voltage, and short circuit protection.