Overview
The LM2576HVS-12 is a high-efficiency, step-down (buck) switching regulator produced by Texas Instruments. It is designed to provide a fixed 12V output voltage with a maximum output current of 3A. This component is part of the SIMPLE SWITCHER® series, known for its ease of use and minimal external component requirements. The LM2576HVS-12 is ideal for applications requiring efficient power conversion in a compact form factor. Its target users include engineers and designers in industries such as industrial automation, consumer electronics, and automotive electronics. The product stands out for its high efficiency, robust protection features, and simplified design process.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage | 4 - 60 | V | |
| Output Voltage | 12 | V | Fixed |
| Output Current | 3 | A | Maximum |
| Switching Frequency | 52 | kHz | |
| Operating Temperature | -40 to +125 | °C | |
| Package | TO-263-5 | DDPAK | |
| Efficiency | Up to 90% | Typical | |
| Protection Features | Overcurrent, Thermal Shutdown |
Key Features
- High efficiency up to 90%, reducing power loss and heat generation.
- Fixed 12V output voltage simplifies design and reduces component count.
- Wide input voltage range (4V to 60V) for versatile applications.
- Built-in overcurrent and thermal shutdown protection ensures safe operation.
- Compact TO-263-5 package saves board space and supports surface-mount assembly.
Applications
The LM2576HVS-12 is widely used in various industries due to its efficiency and reliability. In industrial automation, it powers control systems and sensors. In consumer electronics, it is used in devices such as routers and set-top boxes. In automotive electronics, it provides stable power for infotainment systems and lighting modules. Its ability to handle a wide input voltage range makes it suitable for battery-powered applications as well.
Q & A
1. What is the maximum input voltage for the LM2576HVS-12?
The maximum input voltage is 60V.
2. What is the output current capability of the LM2576HVS-12?
It can deliver up to 3A of output current.
3. Is the output voltage fixed or adjustable?
The output voltage is fixed at 12V.
4. What is the switching frequency of this regulator?
The switching frequency is 52kHz.
5. What protection features are included?
It includes overcurrent and thermal shutdown protection.
6. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
7. What package does the LM2576HVS-12 come in?
It is available in a TO-263-5 (DDPAK) package.
8. Can this regulator be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust design.
9. What is the typical efficiency of the LM2576HVS-12?
The typical efficiency is up to 90%.
10. Is this component RoHS compliant?
Yes, it is RoHS compliant.
