Microchip Technology LM2575-12YWM-TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.28 | $5.28 |
| 15+ | $1.21 | $18.15 |
| 25+ | $1.19 | $29.75 |
| 50+ | $1.12 | $56.00 |
| 100+ | $0.99 | $99.00 |
| N+ | $0.20 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | 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 | 24-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 24-SOIC |
| ROHS |
The LM2575 is a simple, high-efficiency Buck DC-DC converter from Microchip Technology, providing a fixed 12V output from a 4V to 40V input. It delivers up to 1A of load current and operates at a 52kHz switching frequency, requiring only a few external components. Its internal frequency compensation and current limit simplify design, making it ideal for automotive, industrial, and telecom applications.
- Wide Input Voltage Range: Accepts 4V to 40V, accommodating a variety of unregulated supplies and automotive transients.
- Simple External Circuitry: Requires only an inductor, diode, and capacitors, reducing design complexity and BOM cost.
- Robust Protection: Includes thermal shutdown and current limiting for reliable operation in harsh environments.
- Proven 52kHz Architecture: Low switching frequency minimizes EMI and is well-suited for noise-sensitive industrial applications.
Automotive Power Supplies
The wide 4V-40V input range handles load-dump and cold-crank conditions, making it suitable for powering sensors, actuators, and infotainment from a 12V or 24V vehicle bus.
Industrial Control Systems
Provides a regulated 12V rail from unregulated 24V or 48V industrial supplies, powering PLCs, motor drivers, and control logic with up to 1A.
Telecom and Networking Equipment
Steps down 24V or 48V backplane voltages to 12V for line cards, switches, and routers, with the 52kHz frequency ensuring reliable operation in noisy environments.
Distributed Power Architectures
Used as an intermediate bus converter to generate a local 12V rail from a higher-voltage bus, simplifying board-level power distribution.
Battery Charging Systems
Regulates a 12V output for charging lead-acid or Li-Ion battery packs from a higher-voltage solar panel or DC source.
- Q: What type of converter is the LM2575-12YWM-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 output voltage?
- A: The fixed output voltage is 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: The switching frequency is 52kHz.
- Q: What package is available?
- A: It is available in a 24-SOIC (0.295", 7.50mm Width) package.
- Q: What type of converter is the LM2575-12YWM-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 output voltage?
- A: The fixed output voltage is 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: The switching frequency is 52kHz.
- Q: What package is available?
- A: It is available in a 24-SOIC (0.295", 7.50mm Width) package.

LM2575-12YWM-TR.pdf