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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) 117 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 LNK6777E from Power Integrations is an isolated flyback switcher in the LinkSwitch-HP series. It integrates a 725V switch, delivers up to 117W, and switches from 120kHz to 136kHz with a 64% maximum duty cycle. Current limiting, over load, over temperature, over voltage, and short circuit protection are included, rated for -40°C to 150°C junction temperature in a 7-SSIP package.

  • Integrated 725V switch simplifies isolated flyback designs.
  • Up to 117W output supports higher-power offline supplies.
  • Comprehensive protection set improves reliability.
  • -40°C to 150°C junction range suits demanding environments.

High-Power Offline Flyback Supplies

With up to 117W output and an integrated 725V switch, the LNK6777E suits isolated flyback power supplies in the LinkSwitch-HP series.

Industrial Power Adapters

Rated for -40°C to 150°C junction temperature, it fits isolated flyback designs in demanding environments.

Appliance and Consumer Power

120kHz to 136kHz switching with 64% max duty cycle supports compact isolated flyback designs.

Robust Protection Designs

Current limiting, over load, over temperature, over voltage, and short circuit protection improve system reliability.

Q: What topology does the LNK6777E use?
A: It is a flyback switcher for isolated offline supplies.
Q: Does it have an integrated switch?
A: Yes, it integrates a 725V switch.
Q: What power level does it support?
A: Up to 117W.
Q: What switching frequency does it use?
A: 120kHz to 136kHz.
Q: What protections are included?
A: Current limiting, over load, over temperature, over voltage, and short circuit protection.
Base Product Number : LNK6777E
117W 136kHz 7-SSIP 725V Flyback Converter Integrated Switch Isolated LinkSwitch-HP Power Integrations
Q: What topology does the LNK6777E use?
A: It is a flyback switcher for isolated offline supplies.
Q: Does it have an integrated switch?
A: Yes, it integrates a 725V switch.
Q: What power level does it support?
A: Up to 117W.
Q: What switching frequency does it use?
A: 120kHz to 136kHz.
Q: What protections are included?
A: Current limiting, over load, over temperature, over voltage, and short circuit protection.