Microchip Technology LM2576-5.0WU-TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.70 | $1.70 |
| 15+ | $1.65 | $24.75 |
| 25+ | $1.61 | $40.25 |
| 50+ | $1.52 | $76.00 |
| 100+ | $1.34 | $134.00 |
| N+ | $0.27 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Current - Output | 3A |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263-5 |
| ROHS |
The LM2576-5.0 is a robust Buck DC-DC converter from Microchip Technology, offering a fixed 5V output. It accepts a wide input voltage from 4V to 40V and delivers up to 3A of load current. Operating at a low 52kHz switching frequency, it provides excellent efficiency and reduced EMI, making it easy to design with. The device is available in a TO-263-6 (D2PAK) package, suitable for automotive, industrial, and consumer applications requiring a simple, reliable 5V power supply.
- High Input Voltage (40V): Withstands automotive and industrial voltage spikes without external clamping.
- 3A Output Current: Powers multiple loads or high-current peripherals.
- Fixed 5V Output: Simplifies design with no external feedback resistors.
- Low 52kHz Frequency: Reduces switching noise and EMI, easing compliance.
- Simple, Robust Design: Requires minimal external components, improving reliability.
Automotive Battery Regulation
The LM2576's 40V input tolerance handles automotive load-dump transients, providing a regulated 5V rail for ECUs, sensors, and infotainment systems.
Industrial Power Supplies
With a 3A output and wide input range, it can step down 24V or 48V industrial buses to 5V for logic circuits, relays, and control panels.
Distributed Power Systems
Its high current capability makes it suitable for point-of-load regulation in telecom and networking equipment, powering multiple digital ICs.
Battery Chargers
The 5V fixed output can be used to charge 5V USB devices or power 5V logic from higher-voltage battery packs.
White Goods and Appliances
Its robustness and simplicity make it ideal for washing machines, refrigerators, and other appliances requiring a reliable 5V control supply.
Test and Measurement Equipment
The low 52kHz frequency reduces EMI concerns, making it suitable for sensitive measurement instruments where noise is a concern.
- Q: What type of converter is the LM2576-5.0WU-TR?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the fixed output voltage?
- A: The output voltage is fixed at 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It comes in a TO-263-6 (D2PAK) package.
- Q: What type of converter is the LM2576-5.0WU-TR?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the fixed output voltage?
- A: The output voltage is fixed at 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It comes in a TO-263-6 (D2PAK) package.

LM2576-5.0WU-TR.pdf