Overview
The LM2576-5.0WU is a high-efficiency, step-down (buck) switching regulator produced by Microchip Technology. Designed for simplicity and reliability, this component is part of the LM2576 series, which is widely used in power management applications. The LM2576-5.0WU offers a fixed 5V output and is capable of delivering up to 7.5A of output current, making it suitable for a variety of industrial, automotive, and consumer electronics applications. Its compact TO-263 package and robust design ensure efficient power conversion with minimal external components.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | Switching Regulator | - | Power Management |
| Manufacturer | Microchip Technology | - | - |
| Package | TO-263, 5-Pin | - | - |
| Input Voltage (Min) | 4 | V | - |
| Input Voltage (Max) | 40 | V | - |
| Output Voltage | 5 | V | Fixed |
| Output Current (Max) | 7.5 | A | - |
| Switching Frequency (Max) | 63 | kHz | - |
| Operating Temperature | -40 to 125 | °C | - |
| Efficiency | Up to 90% | - | Typical |
Key Features
- High efficiency up to 90%, reducing power loss and heat generation.
- Fixed 5V output voltage for simplified design and application.
- Wide input voltage range (4V to 40V) for versatile use.
- Integrated protection features, including thermal shutdown and current limiting.
- Compact TO-263 package for space-constrained applications.
Applications
The LM2576-5.0WU is ideal for a wide range of applications, including industrial automation, automotive electronics, and consumer devices. Its high efficiency and robust design make it suitable for powering microcontrollers, sensors, and other low-voltage components in harsh environments. Additionally, it is commonly used in battery-powered systems, renewable energy solutions, and communication equipment where reliable power conversion is critical.
Q & A
1. What is the maximum input voltage for the LM2576-5.0WU?
The maximum input voltage is 40V.
2. What is the fixed output voltage of the LM2576-5.0WU?
The fixed output voltage is 5V.
3. What is the maximum output current?
The maximum output current is 7.5A.
4. What is the typical efficiency of this regulator?
The typical efficiency is up to 90%.
5. What package does the LM2576-5.0WU come in?
It comes in a TO-263, 5-pin package.
6. Is the LM2576-5.0WU suitable for automotive applications?
Yes, it is designed to operate in automotive environments.
7. Does it include thermal protection?
Yes, it includes thermal shutdown protection.
8. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
9. Can it be used in battery-powered systems?
Yes, it is well-suited for battery-powered applications.
10. What is the switching frequency of the LM2576-5.0WU?
The maximum switching frequency is 63kHz.
