Texas Instruments LM2575HVS-12/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.50 | $4.50 |
| 15+ | $4.36 | $65.40 |
| 25+ | $4.27 | $106.75 |
| 50+ | $4.03 | $201.50 |
| 100+ | $3.56 | $356.00 |
| N+ | $0.71 | 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) | 60V |
| 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 (DDPAK-5) |
| ROHS |  |
The LM2575HVS-12/NOPB from Texas Instruments is a simple step-down buck regulator designed for high-voltage applications. It accepts an input voltage from 4V to 60V and provides a fixed 12V output with a guaranteed 1A load current. The 52kHz switching frequency allows for relatively large inductors but ensures low noise and high reliability. Its internal frequency compensation and current limit reduce external component count. Housed in a TO-263-6 (D2PAK) package, it is suitable for industrial, automotive, and telecom power supplies where wide input ranges and ruggedness are required.
- Wide 60V Input Capability: Directly handles 48V rails and automotive transients without additional pre-regulation.
- Simple, Robust Design: Requires only a few external components (inductor, diode, capacitors) for a complete solution.
- Fixed 12V Output: Eliminates the need for external resistor dividers, simplifying BOM and layout.
- Proven 52kHz Architecture: Offers a good balance between efficiency and noise performance for industrial environments.
- 1A Output Current: Suitable for powering sensors, fans, and auxiliary logic circuits.
High-Voltage Industrial Supplies
With a 60V input rating, this regulator can directly step down 48V industrial bus voltages to 12V for sensors, relays, and control logic, simplifying power distribution in factory automation.
Automotive Battery Systems
In 24V truck and bus electrical systems, the LM2575HVS-12/NOPB provides a regulated 12V rail for aftermarket electronics, radios, and telematics, surviving load-dump transients up to 60V.
Telecom and Networking Equipment
For base stations and network switches powered from 48V backplanes, this buck converter generates a stable 12V supply for fans, line drivers, and auxiliary circuits with minimal design complexity.
Offline and Appliance Power
In white goods and HVAC controllers, it can derive 12V from rectified AC (after bulk capacitor) or high-voltage DC rails, offering a robust and simple power solution.
Distributed Power Systems
As an intermediate bus converter, it steps down a high-voltage rail to 12V, which can then be further regulated by low-voltage POL converters for mixed-logic systems.
- Q: What type of converter is the LM2575HVS-12/NOPB?
- A: It is a step-down (Buck) switching voltage regulator.
- Q: What is the input voltage range?
- A: It accepts a wide input voltage from 4V up to 60V.
- Q: What is the fixed output voltage?
- A: This version provides a fixed 12V output.
- Q: What is the maximum load current?
- A: It can deliver up to 1A of load current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package does it come in?
- A: It is available in a TO-263-6 (D2PAK) package.
LM2575HVS-12/NOPB.pdf
- Q: What type of converter is the LM2575HVS-12/NOPB?
- A: It is a step-down (Buck) switching voltage regulator.
- Q: What is the input voltage range?
- A: It accepts a wide input voltage from 4V up to 60V.
- Q: What is the fixed output voltage?
- A: This version provides a fixed 12V output.
- Q: What is the maximum load current?
- A: It can deliver up to 1A of load current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package does it come in?
- A: It is available in a TO-263-6 (D2PAK) package.
