Texas Instruments LM2576T-15/LF03
| 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 |
Request Quote / Inquiry
| 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) | 15V |
| 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 LM2576T-15/LF03 is a monolithic step-down (buck) switching regulator from Texas Instruments. It delivers a fixed 15V output from a wide 4V to 40V input supply, supporting up to 3A of load current. Operating at a 52kHz switching frequency, it offers high efficiency and requires minimal external components. The TO-220-5 package with formed leads ensures excellent thermal performance for demanding applications such as industrial controls, automotive systems, and distributed power architectures.
- Wide Input Flexibility: Accepts 4V to 40V, handling unregulated supplies and transients.
- High Output Current: 3A capability suits power-hungry loads.
- Simple Design: 52kHz fixed frequency reduces external component complexity.
- Robust Thermal Package: TO-220-5 allows efficient heat dissipation for continuous operation.
Industrial Power Supplies
With a wide 4V to 40V input range and 3A output capability, the LM2576T-15/LF03 is ideal for industrial control systems requiring a stable 15V rail from unregulated DC sources.
Automotive Electronics
The 40V maximum input voltage accommodates load-dump transients in 12V automotive systems, providing a regulated 15V supply for sensors and actuators.
Telecom Infrastructure
Convert 24V or 36V telecom bus voltages down to a clean 15V for line cards and communication modules, leveraging the 52kHz frequency for reliable operation.
Battery-Powered Equipment
For systems using 12V or 24V battery banks, this buck converter efficiently steps down to 15V, extending battery life with its simple and robust architecture.
Test and Measurement
Provide a precise 15V rail for analog circuits in lab equipment, where the TO-220 package allows easy heatsinking for continuous 3A loads.
- Q: What type of converter is the LM2576T-15/LF03?
- 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 15V.
- 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 comes in a TO-220-5 package with formed leads.
LM2576T-15/LF03.pdf
- Q: What type of converter is the LM2576T-15/LF03?
- 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 15V.
- 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 comes in a TO-220-5 package with formed leads.
