Power Integrations LNK604DG-TL
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.90 | $0.90 |
| 15+ | $0.87 | $13.05 |
| 25+ | $0.86 | $21.50 |
| 50+ | $0.81 | $40.50 |
| 100+ | $0.71 | $71.00 |
| N+ | $0.14 | Price Inquiry |
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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) | 4.1 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 |
The LNK604DG-TL from Power Integrations is a Flyback offline switcher in the LinkSwitch®-II series, delivering up to 4.1 W with a 700V breakdown voltage rating. Its integrated switch, 55% max duty cycle, and switching frequency up to 85kHz simplify isolated AC-DC designs. Built-in current limiting, open loop, over temperature, and short circuit protection ensure dependable operation in an 8-SOIC package rated for -40°C to 150°C junction temperatures.
- Integrated switch reduces external component count and design complexity.
- 700V breakdown voltage supports robust offline operation.
- Compact 8-SOIC package saves board space.
- Built-in fault protection enhances reliability.
- Wide -40°C to 150°C junction range suits demanding environments.
Low-Power Isolated Adapters
The LNK604DG-TL Flyback topology with 700V breakdown voltage and integrated switch suits compact isolated AC-DC adapters up to 4.1 W, providing safe galvanic isolation.
Standby Bias Supplies
With open loop and over temperature protection, this device supports dependable standby and bias rails in larger power systems.
IoT and Sensor Nodes
Up to 85kHz switching frequency and 55% max duty cycle enable small, efficient isolated supplies for connected devices.
Industrial Controls
A -40°C to 150°C junction temperature range supports reliable operation in industrial control electronics.
Metering and Monitoring
Short circuit and current limiting protection make the LNK604DG-TL suitable for isolated supplies in metering and monitoring equipment.
- Q: What topology does the LNK604DG-TL use?
- A: It is a Flyback offline switcher providing galvanically isolated output.
- Q: What is the breakdown voltage?
- A: The device has a 700V breakdown voltage rating.
- Q: How much output power does it support?
- A: Up to 4.1 W.
- Q: Is the switch integrated?
- A: Yes, an integrated switch is built in, reducing external components.
- Q: What protections are included?
- A: Current limiting, open loop, over temperature, and short circuit protection.
- Q: What is the switching frequency?
- A: Up to 85kHz with a 55% max duty cycle.
- Q: What topology does the LNK604DG-TL use?
- A: It is a Flyback offline switcher providing galvanically isolated output.
- Q: What is the breakdown voltage?
- A: The device has a 700V breakdown voltage rating.
- Q: How much output power does it support?
- A: Up to 4.1 W.
- Q: Is the switch integrated?
- A: Yes, an integrated switch is built in, reducing external components.
- Q: What protections are included?
- A: Current limiting, open loop, over temperature, and short circuit protection.
- Q: What is the switching frequency?
- A: Up to 85kHz with a 55% max duty cycle.

LNK604DG-TL.pdf