Power Integrations LNK4003D-TL
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.38 | $0.38 |
| 15+ | $0.37 | $5.55 |
| 25+ | $0.36 | $9.00 |
| 50+ | $0.34 | $17.00 |
| 100+ | $0.30 | $30.00 |
| N+ | $0.06 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | LinkSwitch™-4 |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Isolation | Isolated |
| Internal Switch(s) | No |
| Voltage - Breakdown | - |
| Topology | Flyback |
| Voltage - Start Up | - |
| Voltage - Supply (Vcc/Vdd) | 5V ~ 16.5V |
| Duty Cycle | - |
| Frequency - Switching | 65kHz |
| Power (Watts) | 10 W |
| Fault Protection | Over Temperature, Over Voltage, Short Circuit |
| Control Features | - |
| Operating Temperature | -25°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO |
| ROHS |  |
The LNK4003D-TL from Power Integrations is a Flyback offline switcher IC in the LinkSwitch-4 series, delivering 10 W of isolated output power. It operates from a 5V to 16.5V Vcc supply at a 65kHz switching frequency and drives an external switch. Housed in an 8-SOIC package, it includes Over Temperature, Over Voltage, and Short Circuit protection across a -25°C to 125°C junction temperature range.
- Galvanically isolated Flyback topology for safe offline power conversion.
- External switch design offers flexibility in power stage selection.
- 65kHz switching frequency supports compact magnetic components.
- Integrated Over Temperature, Over Voltage, and Short Circuit protection improves reliability.
- 8-SOIC package enables space-efficient PCB layouts.
Compact AC-DC Adapters
The LNK4003D-TL delivers 10 W in a Flyback topology with 65kHz switching, making it well suited to compact isolated AC-DC adapters where an external switch is used for design flexibility.
Standby and Auxiliary Supplies
With a 5V to 16.5V Vcc supply and integrated Over Voltage and Short Circuit protection, this device supports reliable auxiliary power rails in offline systems.
Industrial Control Power
Operating across -25°C to 125°C junction temperature, the LNK4003D-TL suits isolated bias supplies in industrial control equipment requiring robust fault handling.
Consumer Electronics Power
The 8-SOIC package and 10 W rating enable space-constrained isolated power stages for consumer electronics, with Over Temperature protection ensuring safe operation.
- Q: What is the switching topology of the LNK4003D-TL?
- A: It is a Flyback offline switcher IC from Power Integrations' LinkSwitch-4 series.
- Q: Is the output isolated?
- A: Yes, it provides galvanically isolated output.
- Q: Does it have an integrated switch?
- A: No, it drives an external switch.
- Q: What is the Vcc supply range?
- A: 5V to 16.5V.
- Q: What is the switching frequency and power rating?
- A: 65kHz switching frequency with 10 W output power.
- Q: What protections are included?
- A: Over Temperature, Over Voltage, and Short Circuit protection.
LNK4003D-TL.pdf
- Q: What is the switching topology of the LNK4003D-TL?
- A: It is a Flyback offline switcher IC from Power Integrations' LinkSwitch-4 series.
- Q: Is the output isolated?
- A: Yes, it provides galvanically isolated output.
- Q: Does it have an integrated switch?
- A: No, it drives an external switch.
- Q: What is the Vcc supply range?
- A: 5V to 16.5V.
- Q: What is the switching frequency and power rating?
- A: 65kHz switching frequency with 10 W output power.
- Q: What protections are included?
- A: Over Temperature, Over Voltage, and Short Circuit protection.
