Texas Instruments LM2576HVT-15/LF03
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.33 | $6.33 |
| 15+ | $6.13 | $91.95 |
| 25+ | $5.99 | $149.75 |
| 50+ | $5.66 | $283.00 |
| 100+ | $5.00 | $500.00 |
| N+ | $1.00 | 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) | 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 Texas Instruments LM2576HVT-15/LF03 is a robust step-down (buck) switching regulator designed for high-voltage applications. It accepts a wide input voltage from 4V to 60V and provides a fixed 15V output with a 3A load capacity. Operating at a fixed 52kHz switching frequency, it offers a good balance between efficiency and component size. Its TO-220-5 package with formed leads ensures excellent thermal performance, making it a reliable choice for industrial, automotive, and telecom power supplies.
- High Input Voltage (60V): Directly handles 48V industrial and 24V automotive rails without complex front-end protection.
- 3A Output Current: Provides ample power for a wide range of loads, from logic circuits to small motors.
- Simple Fixed 15V Output: Requires no external feedback network, simplifying design and reducing BOM cost.
- Robust TO-220 Package: Excellent thermal dissipation for reliable operation in demanding environments.
High-Voltage Industrial Power Supplies
With a 60V input rating, the LM2576HVT-15 is perfect for industrial systems operating from 48V rails. It efficiently steps down to a regulated 15V for powering analog circuits, sensors, and control logic, reducing heat dissipation compared to linear regulators.
Automotive Battery Conditioning
In 24V automotive or trucking systems, this buck converter can generate a stable 15V supply for audio amplifiers, telematics, or auxiliary equipment, handling voltage spikes and load variations effectively.
Networking and Telecom Equipment
For networking hardware powered by 48V backplanes, the LM2576HVT-15 provides a simple, robust solution to create a 15V intermediate bus for downstream point-of-load converters, ensuring clean and reliable power.
Solar-Powered Systems
In off-grid solar installations with varying panel voltages (up to 60V), this converter can regulate a steady 15V for battery charging circuits or direct powering of DC appliances, maximizing energy harvest.
Test and Measurement Instruments
The high input voltage capability and 3A output make it suitable for bench power supplies or internal rails in test equipment, providing a stable 15V source for precision analog components.
- Q: What type of converter is the LM2576HVT-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 from 4V to 60V.
- Q: What is the fixed output voltage?
- A: The output voltage is fixed at 15V.
- Q: What is the maximum output current?
- A: It can deliver a maximum output current of 3A.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 52kHz.
- Q: What package is available?
- A: It comes in a TO-220-5 package with formed leads.
LM2576HVT-15/LF03.pdf
- Q: What type of converter is the LM2576HVT-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 from 4V to 60V.
- Q: What is the fixed output voltage?
- A: The output voltage is fixed at 15V.
- Q: What is the maximum output current?
- A: It can deliver a maximum output current of 3A.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 52kHz.
- Q: What package is available?
- A: It comes in a TO-220-5 package with formed leads.
