Texas Instruments LM2575T-12/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.40 | $3.40 |
| 15+ | $3.29 | $49.35 |
| 25+ | $3.22 | $80.50 |
| 50+ | $3.04 | $152.00 |
| 100+ | $2.69 | $269.00 |
| N+ | $0.54 | 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) | 12V |
| Voltage - Output (Max) | - |
| Current - Output | 1A |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-5 |
| Supplier Device Package | TO-220-5 |
| ROHS |  |
The LM2575T-12/NOPB from Texas Instruments is a simple step-down switching regulator that delivers a fixed 12V output from a 4V to 40V input. With a maximum output current of 1A and a fixed 52kHz switching frequency, it offers a compact and efficient solution for moderate-power applications. The TO-220-5 package ensures easy heatsinking and robust thermal performance. This converter is ideal for automotive, industrial, and telecom systems requiring a reliable 12V rail.
- 1A Output Current: Suitable for a wide range of loads, from logic circuits to small motors, without overdesigning.
- Fixed 12V Output: Simplifies design by removing feedback resistor calculations, reducing BOM cost.
- Wide Input Range (4V-40V): Tolerates input variations and transients, making it robust for automotive and industrial use.
- 52kHz Switching Frequency: Low EMI signature, easing compliance with CISPR standards in sensitive equipment.
- TO-220-5 Package: Allows for straightforward PCB mounting and thermal management with a heatsink tab.
12V Peripheral Power for Microcontrollers
In embedded systems, this 1A buck converter steps down a 24V or 36V supply to a clean 12V rail for fans, pumps, and other peripherals, with the 52kHz frequency ensuring low noise.
Automotive Sensor Supplies
The 4V-40V input range accommodates automotive battery fluctuations, providing a stable 12V for sensors and actuators in engine control units.
Industrial Valve Control
For pneumatic or hydraulic valves, the LM2575T-12/NOPB delivers a regulated 12V from a 24V plant bus, reducing heat dissipation compared to linear regulators.
Telecom Line Cards
In networking equipment, this converter derives 12V from a -48V backplane (with appropriate isolation), powering line drivers and interface circuits.
Consumer Appliances
In washing machines or dishwashers, the wide input range handles mains-derived DC buses, providing a reliable 12V for control boards and displays.
Battery Backup Systems
For UPS units, this buck converter maintains a 12V output from a 24V or 36V battery bank, ensuring consistent power during outages.
- Q: What type of converter is the LM2575T-12/NOPB?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the fixed output voltage?
- A: The fixed output voltage is 12V.
- Q: What is the maximum output current?
- A: It can provide up to 1A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It comes in a TO-220-5 package.
LM2575T-12/NOPB.pdf
- Q: What type of converter is the LM2575T-12/NOPB?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the fixed output voltage?
- A: The fixed output voltage is 12V.
- Q: What is the maximum output current?
- A: It can provide up to 1A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It comes in a TO-220-5 package.
