Microchip Technology LM2576-5.0WT
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.66 | $1.66 |
| 15+ | $1.61 | $24.15 |
| 25+ | $1.58 | $39.50 |
| 50+ | $1.49 | $74.50 |
| 100+ | $1.31 | $131.00 |
| N+ | $0.26 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| 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) | 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 |
| Supplier Device Package | TO-220-5 |
| ROHS |  |
The LM2576-5.0WT from Microchip Technology is a robust step-down DC-DC converter delivering a fixed 5V output. It accepts a wide input voltage from 4V to 40V and provides up to 3A of continuous current. Operating at a fixed 52kHz switching frequency, it offers a good balance between efficiency and external component size. The TO-220-5 package ensures excellent thermal performance, making it suitable for industrial, automotive, and telecom applications where reliable power conversion is critical.
- High Output Current: 3A capability supports power-hungry loads like FPGAs and multiple peripheral devices.
- Wide Input Voltage Range: 4V to 40V input tolerance handles automotive transients and industrial power rails.
- Simple Design: Fixed 5V output and 52kHz frequency minimize external components, reducing board space and cost.
- Excellent Thermal Performance: TO-220-5 package with exposed tab allows efficient heat dissipation for reliable operation.
Battery-Powered Systems
Efficiently step down battery voltages (e.g., 12V or 24V) to a regulated 5V rail for microcontrollers, sensors, and logic circuits. The 3A current capability supports multiple loads, while the 52kHz frequency balances size and efficiency for portable equipment.
Automotive Electronics
With a wide 4V to 40V input range, this buck converter handles load-dump and cold-crank conditions in vehicles. It provides a stable 5V supply for infotainment systems, ADAS sensors, and body control modules, ensuring reliable operation across varying battery voltages.
Industrial Control Systems
Convert 24V industrial bus voltages to 5V for PLCs, motor drivers, and HMI panels. The TO-220 package with a metal tab allows easy heatsinking for thermal management in high-ambient-temperature environments, ensuring long-term reliability.
Networking Equipment
Power routers, switches, and small-cell base stations from 12V or 24V rails. The 3A output can drive FPGAs, ASICs, and high-speed transceivers, while the simple external component requirement simplifies board layout and reduces BOM cost.
Telecom Infrastructure
In base stations and remote radio units, the LM2576-5.0WT provides a clean 5V supply for control and monitoring circuits. Its robust 40V input tolerance protects against voltage transients common in telecom power distribution.
- Q: What type of converter is the LM2576-5.0WT?
- 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 output voltage?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous 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.
LM2576-5.0WT.pdf
- Q: What type of converter is the LM2576-5.0WT?
- 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 output voltage?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous 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.
