Microchip Technology

PM5440B-FEI

Microchip Technology's PM5440B-FEI is a highly integrated power management IC designed for use in a wide range of applications, including industrial, medical, and telecom systems. The device is designed to provide efficient power conversion and regulation in a compact form factor.

Description:

The PM5440B-FEI is a monolithic, step-down switching regulator that integrates a high-side power MOSFET and a low-side power MOSFET. The device is capable of providing up to 5A of continuous output current with high efficiency and low thermal dissipation. The device also features a built-in power save mode, which reduces power consumption during periods of low output current.

Features:

• High efficiency: The PM5440B-FEI features high efficiency power conversion, with up to 93% efficiency at full load.
• Compact form factor: The device is available in a small, 3.5mm x 4.2mm QFN package, making it well-suited for space-constrained applications.
• Wide input voltage range: The PM5440B-FEI can operate from input voltages as low as 4.75V and as high as 28V, making it suitable for a wide range of power supply applications.
• High output current: The device can provide up to 5A of continuous output current, making it suitable for high-current applications.
• Power save mode: The PM5440B-FEI features a power save mode that reduces power consumption during periods of low output current, improving overall system efficiency.
• Protection features: The device includes over-current protection, over-voltage protection, and thermal shutdown protection to ensure safe and reliable operation.

Applications:

The PM5440B-FEI is suitable for a wide range of applications, including:

• Industrial control systems
• Medical equipment
• Telecom systems
• Portable electronics
• Power supplies for IoT devices
• LED lighting systems
• Battery charging systems

Overall, the PM5440B-FEI is a highly versatile and efficient power management IC that can be used in a wide range of applications where efficient power conversion and regulation are required.