Texas Instruments LM2575MX-ADJ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.80 | $2.80 |
| 15+ | $2.71 | $40.65 |
| 25+ | $2.66 | $66.50 |
| 50+ | $2.51 | $125.50 |
| 100+ | $2.21 | $221.00 |
| N+ | $0.44 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | SIMPLE SWITCHER® |
| Packaging | Marketplace | Cut Tape (CT) |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.23V |
| Voltage - Output (Max) | 37V |
| 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 LM2575MX-ADJ/NOPB from Texas Instruments is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator. It accepts a wide input voltage from 4V to 40V and delivers up to 1A of output current with an adjustable output voltage from 1.23V to 37V. Operating at a fixed 52kHz switching frequency, it offers excellent line and load regulation. This regulator is simple to use, requiring only a few external components, making it ideal for a wide range of applications including automotive, industrial, and telecom systems.
- Wide Input Voltage Range (4V-40V): Handles high-voltage transients and supports a variety of industrial and automotive supply rails without external protection.
- Simple, Robust Design: Requires minimal external components (inductor, diode, capacitors), simplifying design and reducing BOM cost.
- 1A Output Current: Sufficient for powering microcontrollers, sensors, and small logic circuits in embedded systems.
- Adjustable Output (1.23V-37V): Provides flexibility to generate a wide range of regulated voltages from a single design.
- Proven, Reliable Technology: Based on a mature 52kHz architecture, ensuring stable operation and easy availability of reference designs.
Automotive Battery-Powered Systems
The wide 4V to 40V input range makes it ideal for automotive applications, handling voltage transients and load-dump conditions while providing a regulated 5V or 3.3V supply for sensors, ECUs, and infotainment systems.
Industrial Power Supplies
For industrial equipment operating from 24V or 48V rails, the LM2575 steps down efficiently to logic levels, powering PLCs, motor controllers, and instrumentation with its robust 52kHz switching design.
Telecom and Networking Equipment
Its ability to accept up to 40V input makes it suitable for telecom rectifiers and networking gear, providing a stable low-voltage rail for line cards, switches, and routers.
Distributed Power Systems
In systems with an unregulated intermediate bus, the LM2575 provides a simple, reliable solution for generating a clean, regulated output for local loads, reducing noise and improving system stability.
Battery Chargers and Adapters
The adjustable output (1.23V to 37V) allows it to be configured as a constant-voltage/constant-current charger for lead-acid or Li-ion batteries, offering a cost-effective charging solution.
HVAC and Appliance Control Boards
With its high input voltage tolerance and 1A output, it can power microcontrollers, relays, and display drivers in thermostats, washing machines, and refrigerators, ensuring reliable operation from rectified mains.
- Q: What type of converter is the LM2575MX-ADJ/NOPB?
- A: It is a simple step-down (Buck) switching voltage regulator.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 1.23V to 37V.
- Q: What is the maximum output current?
- A: It can provide up to 1A of load 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-SOIC package.
LM2575MX-ADJ/NOPB.pdf
- Q: What type of converter is the LM2575MX-ADJ/NOPB?
- A: It is a simple step-down (Buck) switching voltage regulator.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 1.23V to 37V.
- Q: What is the maximum output current?
- A: It can provide up to 1A of load 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-SOIC package.
