Skip to product information
1 of 1
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Regular price $0.43
Regular price $0.45 Sale price $0.43
Sale Sold out
Quantity Unit Price Total Price
1 $0.43 $0.43
15+ $0.41 $6.15
25+ $0.41 $10.25
50+ $0.38 $19.00
100+ $0.34 $34.00
N+ $0.07 Price Inquiry
Shipping calculated at checkout.
Quantity
Component Recycling

Request Quote / Inquiry

Product attributes Property Value
Manufacturer Power Integrations
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 725V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 55%
Frequency - Switching 350Hz ~ 85kHz
Power (Watts) 6.1 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 LNK6446D-TL is an isolated Flyback offline switcher with an integrated switch and a 725V breakdown voltage. It delivers up to 6.1 W (rated 5.5 W at 85-265 VAC) with a 55% maximum duty cycle and switching from 350Hz to 85kHz. Current Limiting, Open Loop, Over Temperature, and Short Circuit protection enhance reliability across a -40°C to 150°C junction range, housed in a 7-lead SOIC package.

  • Integrated switch and 725V breakdown voltage simplify compact offline designs.
  • Isolated Flyback topology supports safe galvanic isolation.
  • Up to 6.1 W output suits low-power adapters and auxiliary supplies.
  • Fault protection (Current Limiting, Open Loop, Over Temperature, Short Circuit) improves robustness.
  • Wide -40°C to 150°C junction range for demanding environments.

Isolated Flyback Supplies

Flyback topology with isolated output suits compact offline supplies requiring galvanic isolation for safety and noise separation.

Low-Power Adapters

Delivering up to 6.1 W, it fits small adapters and auxiliary supplies for consumer and household devices.

Universal Mains Designs

A 725V breakdown rating provides margin for 85-265 VAC input, supporting worldwide mains operation.

Wide-Temperature Equipment

A -40°C to 150°C junction range supports use in appliances and industrial systems exposed to temperature extremes.

Fault-Tolerant Designs

Current Limiting, Open Loop, Over Temperature, and Short Circuit protection safeguard operation under abnormal conditions.

Q: What topology does the LNK6446D-TL use?
A: It is a Flyback offline switcher for isolated power conversion.
Q: Is the power switch integrated?
A: Yes, the switch is integrated on-chip, reducing external components.
Q: What is the breakdown voltage?
A: It features a 725V breakdown voltage (Vds rating).
Q: What output power does it provide?
A: It delivers up to 6.1 W (rated 5.5 W at 85-265 VAC).
Q: What protections are included?
A: Current Limiting, Open Loop, Over Temperature, and Short Circuit protection.
Base Product Number : LNK6446D
6.1W 7-SOIC 725V AC-DC Offline Switcher Flyback Converter Integrated Switch Isolated
Q: What topology does the LNK6446D-TL use?
A: It is a Flyback offline switcher for isolated power conversion.
Q: Is the power switch integrated?
A: Yes, the switch is integrated on-chip, reducing external components.
Q: What is the breakdown voltage?
A: It features a 725V breakdown voltage (Vds rating).
Q: What output power does it provide?
A: It delivers up to 6.1 W (rated 5.5 W at 85-265 VAC).
Q: What protections are included?
A: Current Limiting, Open Loop, Over Temperature, and Short Circuit protection.