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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 650V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 64%
Frequency - Switching 120kHz ~ 136kHz
Power (Watts) 88 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 7-SSIP, 6 Leads, Exposed Pad, Formed Leads
Supplier Device Package eSIP-7C
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LNK6766E from Power Integrations is an isolated flyback offline switcher in the LinkSwitch™-HP series. It integrates the power switch with a 650V breakdown rating and delivers up to 88 W, switching at 120kHz to 136kHz with 64% maximum duty cycle. Housed in a 7-SSIP package with exposed pad, it includes current limiting, over load, over temperature, over voltage, and short circuit protection across a -40°C to 150°C junction range.

  • Integrated switch reduces external component count and simplifies isolated flyback design.
  • 650V breakdown voltage provides headroom for universal AC input applications.
  • 88 W output power supports medium-power adapters and supplies.
  • Comprehensive fault protection (current limiting, over load, over temperature, over voltage, short circuit) improves reliability.
  • -40°C to 150°C junction range suits demanding thermal environments.

AC-DC Adapters and Chargers

The LNK6766E delivers up to 88 W in an isolated flyback topology with an integrated switch, simplifying adapter designs while its 650V breakdown rating provides margin for universal AC input.

Industrial Power Supplies

With a -40°C to 150°C junction temperature range and comprehensive fault protection, this device suits rugged industrial supplies requiring reliable isolated conversion.

Standby and Auxiliary Rails

Operating at 120kHz to 136kHz switching frequency with 64% max duty cycle, the LinkSwitch-HP device enables compact auxiliary supplies with reduced magnetics size.

Appliance and Consumer Electronics

Integrated switch and built-in over temperature, over voltage, and short circuit protection reduce external component count for cost-sensitive isolated flyback designs.

Q: What is the topology of the LNK6766E?
A: It is a Flyback offline switcher with galvanically isolated output.
Q: Does it have an integrated switch?
A: Yes, the power MOSFET is integrated on-chip.
Q: What is the breakdown voltage?
A: 650V Vds rating.
Q: What power can it deliver?
A: Up to 88 W.
Q: What protections are included?
A: Current limiting, over load, over temperature, over voltage, and short circuit.
Base Product Number : LNK6766E
650V 7-SSIP 88 W AC-DC Flyback Converter Isolated LinkSwitch-HP Offline Switcher
Q: What is the topology of the LNK6766E?
A: It is a Flyback offline switcher with galvanically isolated output.
Q: Does it have an integrated switch?
A: Yes, the power MOSFET is integrated on-chip.
Q: What is the breakdown voltage?
A: 650V Vds rating.
Q: What power can it deliver?
A: Up to 88 W.
Q: What protections are included?
A: Current limiting, over load, over temperature, over voltage, and short circuit.