Microchip Technology LM2575-12YWM
| 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 | 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 | 24-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 24-SOIC |
| ROHS |  |
The LM2575-12YWM from Microchip Technology is a simple, reliable step-down buck converter that delivers a fixed 12V output from a wide 4V to 40V input supply. Capable of providing up to 1A of load current, it operates at a fixed 52kHz switching frequency, which simplifies EMI filtering and allows for robust performance in industrial and automotive environments. The device requires only a few external components, making it easy to design into power supplies for control systems, telecom equipment, and LED lighting. Housed in a 24-SOIC package, it offers a compact solution for space-constrained applications.
- Wide Input Voltage Range (4V–40V): Handles automotive and industrial supply variations without damage.
- Fixed 12V Output: Eliminates the need for external resistor dividers, simplifying design.
- 1A Output Current: Suitable for driving relays, fans, and logic circuits.
- 52kHz Switching Frequency: Low EMI and easy filtering for compliance with industrial standards.
- Proven Simple Architecture: Requires minimal external components, reducing BOM cost.
Automotive 12V Rail Regulation
In vehicles with 24V or 36V battery systems, the LM2575-12 steps down to a stable 12V for infotainment, sensors, or lighting. The 4V–40V input range handles load-dump transients without external clamping.
Industrial Control Panels
For PLCs and motor controllers operating from a 24V DC bus, this buck converter provides a clean 12V supply for logic circuits and relays. The 52kHz frequency is robust against EMI in noisy industrial environments.
Telecom Power Supplies
In base stations with 36V–48V backplanes, the LM2575-12 delivers 12V for auxiliary circuits like fans or signal conditioning. Its 1A output is sufficient for low-power peripheral loads.
HVAC Controllers
From a 24V AC transformer rectified to ~30V DC, this converter regulates down to 12V for thermostat displays and valve actuators. The wide input range accommodates transformer variations.
Test & Measurement Equipment
Benchtop instruments often need a 12V rail from a 24V internal supply. The LM2575-12 provides a stable, low-ripple output for analog front-ends, ensuring measurement accuracy.
LED Lighting Drivers
For high-power LED strips requiring 12V, this buck converter can step down from a 24V or 36V source. The 1A output drives up to 12W of LED load with simple external components.
- Q: What type of converter is the LM2575-12YWM?
- A: It is a Buck (step-down) DC-DC converter.
- 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: The output voltage is fixed at 12V.
- Q: What is the maximum output current?
- A: The maximum output current is 1A.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It comes in a 24-SOIC (0.295", 7.50mm Width) package.
LM2575-12YWM.pdf
- Q: What type of converter is the LM2575-12YWM?
- A: It is a Buck (step-down) DC-DC converter.
- 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: The output voltage is fixed at 12V.
- Q: What is the maximum output current?
- A: The maximum output current is 1A.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It comes in a 24-SOIC (0.295", 7.50mm Width) package.
