Microchip Technology LM2575-12WU-TR
| 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 | 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) | 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-TR from Microchip Technology is a robust step-down switching regulator designed for high-voltage industrial and automotive applications. It accepts a wide input voltage from 4V to 40V and provides a fixed 12V output at up to 1A. Operating at a 52kHz switching frequency, it offers a simple, reliable solution with minimal external components. Its TO-263 package ensures excellent power dissipation, making it ideal for harsh environments requiring stable 12V rails.
- Wide Input Voltage: Handles 4V to 40V, ideal for automotive and industrial rails.
- Simple Design: Requires only a few external components, reducing BOM cost.
- Proven Reliability: Mature 52kHz architecture with robust protection features.
- Thermal Efficiency: D2PAK package dissipates heat effectively for 1A loads.
Automotive Power Supplies
With a wide 4V to 40V input range, the LM2575-12WU-TR can regulate 12V for sensors, actuators, and infotainment systems directly from a vehicle's battery, handling load-dump transients.
Industrial Control Systems
For PLCs and motor controllers operating from 24V rails, this converter provides a stable 12V supply for logic circuits and I/O interfaces, with the D2PAK package ensuring robust thermal performance.
Telecom and Networking Equipment
In base stations and routers with 24V or 36V backplanes, the LM2575-12WU-TR delivers a reliable 12V rail for line cards and switching logic.
Battery Charging Systems
Its ability to step down higher voltages makes it suitable for charging 12V lead-acid batteries from solar panels or unregulated DC sources.
HVAC and Appliance Controls
For appliances with 24V AC/DC supplies, this buck converter provides a regulated 12V output for microcontrollers and display panels, simplifying power design.
- Q: What type of converter is the LM2575-12WU-TR?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the output voltage?
- A: The output voltage is fixed at 12V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of continuous output current.
- Q: What is the switching frequency?
- A: It operates at a fixed 52kHz switching frequency.
- Q: What package is available?
- A: It comes in a TO-263-6 (D2PAK) package.
LM2575-12WU-TR.pdf
- Q: What type of converter is the LM2575-12WU-TR?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the output voltage?
- A: The output voltage is fixed at 12V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of continuous output current.
- Q: What is the switching frequency?
- A: It operates at a fixed 52kHz switching frequency.
- Q: What package is available?
- A: It comes in a TO-263-6 (D2PAK) package.
