Microchip Technology LM2575-12WU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.66 | $1.66 |
| 15+ | $1.61 | $24.15 |
| 25+ | $1.58 | $39.50 |
| 50+ | $1.49 | $74.50 |
| 100+ | $1.31 | $131.00 |
| N+ | $0.26 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Tube | |
| 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) | 12V |
| Voltage - Output (Max) | - |
| Current - Output | 1A |
| 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 LM2575-12WU from Microchip Technology is a simple and reliable step-down switching regulator that provides a fixed 12V output. It accepts a wide input voltage from 4V to 40V and delivers up to 1A of load current. With a switching frequency of 52kHz, it offers a good balance between efficiency and component size. Housed in a TO-263-6 (D2PAK) package, this regulator is ideal for automotive, industrial, and networking applications requiring a robust and easy-to-use power solution.
- Wide Input Voltage: Handles 4V to 40V, making it versatile for various power sources.
- Simple Design: Requires minimal external components, simplifying PCB layout and BOM.
- Robust Package: The D2PAK package offers excellent thermal performance for high-power applications.
- Proven Technology: Based on the industry-standard LM2575 family, ensuring reliability and availability.
Automotive Power Supplies
The wide 4V to 40V input range makes the LM2575-12WU suitable for automotive systems that need a regulated 12V supply from a vehicle's battery, which can vary significantly during operation.
Industrial Control Systems
In industrial environments with 24V or 48V rails, this buck converter steps down to a stable 12V for logic circuits, relays, and sensors, offering a simple and robust solution.
Networking Equipment
For routers and switches that require a 12V bus, the LM2575-12WU provides a reliable and cost-effective power conversion from higher voltage supplies.
Telecom Infrastructure
Telecom systems often use 48V backplanes; this regulator efficiently converts that to 12V for line cards and auxiliary circuitry.
Consumer Electronics
In appliances and gaming consoles, the LM2575-12WU can generate a 12V rail from a rectified AC input, simplifying the power supply design.
- Q: What type of converter is the LM2575-12WU?
- A: It is a step-down (Buck) switching regulator.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 40V.
- Q: What is the fixed output voltage?
- A: It provides a fixed 12V output.
- Q: What is the maximum load current?
- A: It can deliver up to 1A of load current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It is available in a TO-263-6 (D2PAK) package.
- Q: What type of converter is the LM2575-12WU?
- A: It is a step-down (Buck) switching regulator.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 40V.
- Q: What is the fixed output voltage?
- A: It provides a fixed 12V output.
- Q: What is the maximum load current?
- A: It can deliver up to 1A of load current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It is available in a TO-263-6 (D2PAK) package.

LM2575-12WU.pdf