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Product attributes Property Value
Manufacturer Power Integrations
Product Series LinkSwitch®-II
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 55%
Frequency - Switching Up to 85kHz
Power (Watts) 3.3 W
Fault Protection Current Limiting, Open Loop, Over Temperature, Short Circuit
Control Features -
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width), 7 Leads
Supplier Device Package SO-8C
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Power Integrations LNK613DG-TL is a LinkSwitch®-II Flyback offline switcher delivering up to 3.3W with galvanic isolation. It integrates a 700V power switch and operates at switching frequencies up to 85kHz with a 55% maximum duty cycle. Built-in current limiting, open loop, over temperature, and short circuit protection ensure safe operation across a -40°C to 150°C junction temperature range in a compact 8-SOIC package.

  • Flyback topology with galvanic isolation for safe offline supplies.
  • Integrated 700V switch reduces external component count.
  • Up to 85kHz switching frequency enables compact magnetics.
  • Comprehensive protections (current limiting, open loop, OTP, short circuit) enhance safety.
  • Wide -40°C to 150°C junction range in a space-saving 8-SOIC package.

Isolated Low-Power Flyback Supplies

The LNK613DG-TL uses Flyback topology with galvanic isolation, ideal for low-power isolated supplies up to 3.3W. The 700V integrated switch suits offline mains operation.

Chargers and Adapters

With up to 85kHz switching frequency and 55% max duty cycle, it supports compact isolated chargers and adapters for consumer devices.

Standby and Bias Supplies

Flyback isolation makes it well suited for standby and bias rails requiring separation from the mains, with integrated protections ensuring safety.

Appliance Control Power

The -40°C to 150°C junction temperature range and open-loop/short-circuit protection support reliable appliance control supplies.

Q: What topology does the LNK613DG-TL use?
A: It is a Flyback offline switcher providing galvanic isolation.
Q: What is the breakdown voltage?
A: The integrated switch has a 700V drain-source rating.
Q: What is the switching frequency?
A: Up to 85kHz.
Q: How much power can it deliver?
A: Up to 3.3W.
Q: What protections are included?
A: Current limiting, open loop, over temperature, and short circuit protection.
Base Product Number : LNK613DG
3.3W 700V 8-SOIC AC-DC Converter Flyback Converter Integrated Switch Isolated LinkSwitch-II Offline Switcher Power Integrations
Q: What topology does the LNK613DG-TL use?
A: It is a Flyback offline switcher providing galvanic isolation.
Q: What is the breakdown voltage?
A: The integrated switch has a 700V drain-source rating.
Q: What is the switching frequency?
A: Up to 85kHz.
Q: How much power can it deliver?
A: Up to 3.3W.
Q: What protections are included?
A: Current limiting, open loop, over temperature, and short circuit protection.