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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) 28 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 LNK6774V from Power Integrations is an isolated Flyback offline switcher in the LinkSwitch-HP series with an integrated switch and a 725V breakdown rating. It delivers up to 28 W at 120kHz to 136kHz switching with a 64% maximum duty cycle. The 12-SDIP (11-lead, exposed pad) package includes current limiting, over load, over temperature, over voltage, and short circuit protection across a -40°C to 150°C junction range.

  • Integrated switch and 725V breakdown simplify isolated Flyback designs.
  • Up to 28 W output suits compact mid-power supplies.
  • Full protection set including over load, over voltage, over temperature, and short circuit.
  • Exposed-pad 12-SDIP package enhances thermal dissipation.
  • Wide -40°C to 150°C junction range for robust operation.

Compact AC-DC Adapters

The LNK6774V provides up to 28 W in an isolated Flyback topology, making it a good fit for compact adapters and chargers that require a single integrated switch.

Consumer Electronics Power

Operating at 120kHz to 136kHz with a 64% maximum duty cycle, this LinkSwitch-HP device supports efficient isolated supplies for consumer electronics.

Industrial and Building Automation

The 725V breakdown rating and comprehensive protection set (over load, over voltage, over temperature, short circuit, current limiting) help supplies tolerate wide mains and fault conditions.

Appliance Control Supplies

The 12-SDIP exposed-pad package aids heat dissipation, and the -40°C to 150°C junction range supports reliable operation in appliance electronics.

Q: What is the topology of the LNK6774V?
A: It is an isolated Flyback offline switcher with an integrated switch and 725V breakdown voltage.
Q: What is the maximum output power?
A: Up to 28 W.
Q: What switching frequency does it use?
A: 120kHz to 136kHz with a 64% maximum duty cycle.
Q: What protections are included?
A: Current limiting, over load, over temperature, over voltage, and short circuit protection.
Q: What package and temperature range?
A: 12-SDIP (11 leads, exposed pad) with a -40°C to 150°C junction range.
Base Product Number : LNK6774V
12-SDIP 28 W 725V AC-DC Flyback Converter Isolated LinkSwitch-HP Offline Switcher Power Integrations
Q: What is the topology of the LNK6774V?
A: It is an isolated Flyback offline switcher with an integrated switch and 725V breakdown voltage.
Q: What is the maximum output power?
A: Up to 28 W.
Q: What switching frequency does it use?
A: 120kHz to 136kHz with a 64% maximum duty cycle.
Q: What protections are included?
A: Current limiting, over load, over temperature, over voltage, and short circuit protection.
Q: What package and temperature range?
A: 12-SDIP (11 leads, exposed pad) with a -40°C to 150°C junction range.