Texas Instruments

LM5576MHX/NOPB

The LM5576MHX/NOPB is a highly integrated, step-down (buck) switching regulator from Texas Instruments. It is designed to provide efficient and stable power conversion for a wide range of applications.

Description:

The LM5576MHX/NOPB is a synchronous, step-down switching regulator that can operate from an input voltage range of 4.5V to 22V. It is available in a compact 20-pin, 3mm x 4mm WQFN package. The device features a high-efficiency, current-mode architecture that provides excellent transient response and ease of use.

Features:

1. Wide input voltage range: 4.5V to 22V
2. High efficiency: up to 95% depending on the input voltage and output current
3. Tight output voltage regulation: ±1%
4. Low quiescent current: 35µA in normal operation, 1.5µA in power save mode
5. Synchronous rectification for high efficiency
6. Programmable soft-start
7. Over-current protection
8. Thermal shutdown protection
9. Enable/Disable function
10. 20-pin, 3mm x 4mm WQFN package

Applications:

The LM5576MHX/NOPB is suitable for a wide range of applications that require efficient and stable power conversion, including:

1. Point-of-Load (POL) applications in computing and communication systems
2. Distributed power systems
3. Automotive systems, such as infotainment, lighting, and body control modules
4. Industrial control systems
5. Telecommunications equipment
6. Battery charging and management systems
7. LED lighting systems

The LM5576MHX/NOPB's high efficiency, tight voltage regulation, and low quiescent current make it an excellent choice for applications where power efficiency and reliability are critical. Its small footprint and wide input voltage range also make it suitable for space-constrained and portable applications.