Texas Instruments LM2576T-5.0/LF02
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.25 | $3.25 |
| 15+ | $3.15 | $47.25 |
| 25+ | $3.08 | $77.00 |
| 50+ | $2.91 | $145.50 |
| 100+ | $2.57 | $257.00 |
| N+ | $0.51 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | SIMPLE SWITCHER® |
| Packaging | Marketplace | 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 | 3A |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-5 Formed Leads |
| Supplier Device Package | TO-220-5 |
| ROHS |
The Texas Instruments LM2576T-5.0/LF02 is a simple and efficient buck DC-DC converter that provides a fixed 5V output. It accepts a wide input voltage from 4V to 40V and delivers up to 3A of continuous load current. With a fixed 52kHz switching frequency, it requires only a few external components, making it easy to design into a variety of applications. The TO-220-5 package ensures good thermal dissipation, making it suitable for automotive, industrial, and networking power supplies.
- Fixed 5V Output: No external resistor divider needed, simplifying the design and reducing component count.
- High Current Capability: Delivers up to 3A, suitable for powering multiple digital ICs and peripherals.
- Wide Input Voltage Range: Operates from 4V to 40V, providing flexibility for various input sources.
- Proven Reliability: Based on the industry-standard LM2576 architecture, known for robustness and ease of use.
5V Logic Power Supplies
Step down from a 12V or 24V input to a stable 5V rail for microcontrollers, digital logic, and peripheral interfaces in embedded systems, providing up to 3A of current.
Automotive Infotainment
Power car audio systems, navigation units, and display modules from the 12V battery. The wide input range handles cranking voltage dips and load-dump spikes, ensuring reliable 5V operation.
Industrial Sensors and Actuators
Provide a regulated 5V supply for industrial sensors, PLC I/O modules, and small actuators from a 24V control panel bus, simplifying power distribution.
Networking Equipment
Power routers, switches, and modems from a 12V adapter or backplane. The 3A output is sufficient for processors, PHYs, and memory, while the 52kHz frequency keeps EMI manageable.
Test Equipment
Supply a clean 5V rail for benchtop multimeters, oscilloscopes, and signal generators, ensuring stable operation of analog and digital measurement circuits.
LED Lighting Systems
Drive constant-voltage LED strips and modules from a higher DC bus, using the 5V fixed output for low-voltage lighting applications in signage and architectural lighting.
- Q: What type of converter is the LM2576T-5.0/LF02?
- A: It is a Buck (step-down) 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 output voltage is fixed at 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It is available in a TO-220-5 package with formed leads.
- Q: What type of converter is the LM2576T-5.0/LF02?
- A: It is a Buck (step-down) 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 output voltage is fixed at 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It is available in a TO-220-5 package with formed leads.

LM2576T-5.0/LF02.pdf