Power Integrations LNK574DG-TL
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.58 | $0.58 |
| 15+ | $0.56 | $8.40 |
| 25+ | $0.55 | $13.75 |
| 50+ | $0.52 | $26.00 |
| 100+ | $0.46 | $46.00 |
| N+ | $0.09 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | LinkZero™-LP |
| 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 | 63% |
| Frequency - Switching | 100kHz |
| Power (Watts) | 3 W |
| Fault Protection | Current Limiting, Open Loop, Over Temperature, Over Voltage, 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 LNK574DG-TL from Power Integrations is a flyback offline switcher in the LinkZero-LP series with an integrated switch rated to 700V breakdown. It delivers up to 3 W at 100kHz switching frequency with a 63% maximum duty cycle. Housed in a 7-lead 8-SOIC package, it includes current limiting, open loop, over temperature, over voltage, and short circuit protection across a -40°C to 150°C junction temperature range.
- Integrated switch and 700V breakdown reduce external component count for compact isolated flyback designs.
- Comprehensive fault protection (current limiting, open loop, OVP, OTP, short circuit) improves reliability.
- 100kHz switching frequency with 63% duty cycle supports small magnetic components at 3 W output.
- -40°C to 150°C junction temperature range enables use in thermally demanding environments.
Low-Power Isolated Adapters
The LNK574DG-TL flyback topology with integrated switch and 700V breakdown suits compact isolated AC-DC adapters up to 3 W, simplifying designs by eliminating an external MOSFET.
Standby Power Supplies
Part of the LinkZero-LP series, this device targets low-power standby rails where a 100kHz switching frequency and 63% duty cycle balance size and efficiency.
Home Appliance Auxiliary Rails
With -40°C to 150°C junction temperature operation and comprehensive fault protection, it fits auxiliary bias supplies in appliances exposed to wide thermal swings.
Industrial Control Bias
Current limiting, open loop, over voltage, and short circuit protection make this flyback switcher reliable for isolated bias rails in industrial control boards.
- Q: What topology does the LNK574DG-TL use?
- A: It is a flyback offline switcher with an integrated switch and 700V breakdown voltage.
- Q: What is the maximum output power?
- A: It delivers up to 3 W.
- Q: What switching frequency does it operate at?
- A: 100kHz with a 63% maximum duty cycle.
- Q: What protections are included?
- A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.
- Q: What is the operating temperature range?
- A: -40°C to 150°C junction temperature, suitable for demanding environments.
LNK574DG-TL.pdf
- Q: What topology does the LNK574DG-TL use?
- A: It is a flyback offline switcher with an integrated switch and 700V breakdown voltage.
- Q: What is the maximum output power?
- A: It delivers up to 3 W.
- Q: What switching frequency does it operate at?
- A: 100kHz with a 63% maximum duty cycle.
- Q: What protections are included?
- A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.
- Q: What is the operating temperature range?
- A: -40°C to 150°C junction temperature, suitable for demanding environments.
