Texas Instruments LM2575M-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.28 | $3.28 |
| 15+ | $3.17 | $47.55 |
| 25+ | $3.11 | $77.75 |
| 50+ | $2.93 | $146.50 |
| 100+ | $2.59 | $259.00 |
| N+ | $0.52 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | SIMPLE SWITCHER® |
| 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) | 5V |
| 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 Texas Instruments LM2575M-5.0/NOPB is a simple, reliable Buck DC-DC converter that provides a fixed 5V output. It accepts a wide input voltage from 4V to 40V and delivers up to 1A of load current. Operating at a fixed 52kHz switching frequency, it requires only a few external components, simplifying design and reducing cost. This converter is an excellent choice for applications requiring a robust and efficient step-down solution from a high-voltage source, such as automotive, industrial, and consumer electronics.
- Simple Design: Requires minimal external components, reducing design time and overall system cost.
- Wide Input Voltage Range: Accepts inputs from 4V to 40V, making it versatile for various power sources.
- Fixed 5V Output: Provides a stable, regulated 5V rail without the need for external feedback resistors.
- High Efficiency: Switching regulation offers significantly higher efficiency than linear regulators, reducing heat generation.
Simple 5V Logic Supplies
Ideal for generating a regulated 5V rail from unregulated DC sources like wall adapters or batteries ranging from 7V to 40V. Its simplicity requires minimal external components, making it a cost-effective solution.
Automotive Aftermarket Electronics
For car accessories like dash cameras or sensor hubs, the LM2575 can step down the 12V or 24V vehicle battery voltage to a stable 5V, withstanding voltage transients common in automotive environments.
Industrial Control Panels
In industrial settings with 24V control voltages, this converter provides a clean 5V supply for PLCs, HMI displays, and digital logic, ensuring reliable operation away from noisy high-power circuits.
Consumer Appliances
For appliances with microcontrollers or digital displays, the LM2575 offers a simple and reliable way to derive a 5V supply from a higher DC bus, reducing heat dissipation compared to linear regulators.
Networking Equipment
In routers and switches, this buck converter can power auxiliary 5V logic from a 12V or 48V input, providing a low-cost, efficient solution for mixed-voltage systems.
Battery Charging Circuits
It can be used as a front-end stage to step down a higher voltage source to a suitable level for charging 5V USB devices or powering battery management systems.
- Q: What type of converter is the LM2575M-5.0/NOPB?
- 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: This version provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 52kHz.
- Q: What package is available?
- A: It is available in a 24-pin SOIC package.
- Q: What type of converter is the LM2575M-5.0/NOPB?
- 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: This version provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 52kHz.
- Q: What package is available?
- A: It is available in a 24-pin SOIC package.

LM2575M-5.0/NOPB.pdf