Texas Instruments LM2575T-12-TI
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $11.84 | $11.84 |
| 15+ | $2.72 | $40.80 |
| 25+ | $2.66 | $66.50 |
| 50+ | $2.52 | $126.00 |
| 100+ | $2.22 | $222.00 |
| N+ | $0.44 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Bulk | |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.75V |
| 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 |
The LM2575T-12-TI from Texas Instruments is a simple, reliable Buck DC-DC converter that provides a fixed 12V output from a wide input voltage range of 4.75V to 40V. It is capable of delivering up to 1A of load current and operates at a fixed 52kHz switching frequency, which minimizes external component size. Its robust design and TO-220 package make it suitable for industrial, automotive, and telecom applications requiring a simple, high-efficiency step-down solution.
- Wide Input Voltage Range: Accepts 4.75V to 40V, making it versatile for various industrial and automotive supplies.
- Simple Design: Requires minimal external components, simplifying PCB layout and reducing BOM cost.
- Fixed 12V Output: Provides a stable, regulated 12V rail without the need for external feedback resistors.
- Robust Package: The TO-220 package offers excellent thermal performance and is easy to heatsink.
- Proven Technology: Based on the industry-standard LM2575 family, known for reliability and availability.
Industrial Control Systems
The wide 4.75V to 40V input range allows the LM2575T-12 to operate from standard 24V industrial supplies, providing a regulated 12V rail for PLCs, sensors, and control relays with high reliability.
Automotive Electronics
For 12V automotive systems, this converter can step down from a 24V truck battery or handle voltage spikes up to 40V, providing a stable 12V supply for infotainment, lighting, and body control modules.
Telecommunications Equipment
In telecom base stations and networking gear, the LM2575T-12 can convert a 24V or 48V bus (with appropriate input conditioning) down to 12V for line cards, fans, and auxiliary circuits.
Distributed Power Systems
As an intermediate bus converter, it steps down a higher voltage rail to 12V, which can then be further regulated by lower-voltage POL converters for FPGAs and ASICs.
Battery Charging Circuits
The 12V fixed output is suitable for charging 12V lead-acid or Li-ion battery packs from a higher-voltage solar panel or DC supply, with the 52kHz frequency ensuring low noise.
HVAC and Appliance Controls
In heating, ventilation, and air conditioning systems, the converter provides a robust 12V supply for control boards, valve actuators, and display panels, tolerating input variations from the mains-derived DC bus.
- Q: What type of converter is the LM2575T-12-TI?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4.75V to 40V.
- Q: What is the output voltage?
- A: The output voltage is fixed at 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 fixed at 52kHz.
- Q: What package is available?
- A: It is available in a TO-220-5 package.
LM2575T-12-TI.pdf
- Q: What type of converter is the LM2575T-12-TI?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4.75V to 40V.
- Q: What is the output voltage?
- A: The output voltage is fixed at 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 fixed at 52kHz.
- Q: What package is available?
- A: It is available in a TO-220-5 package.
