Microchip Technology

MIC4576BU  

DC Switching Voltage Regulators

MIC4576BU Description

The MIC4576BU is a high-performance, adjustable DC switching voltage regulator designed by Microchip Technology. This device is part of the DC Switching Voltage Regulators category and is known for its robust performance and versatility. The MIC4756BU operates with an input voltage range of 4V to 36V and can deliver an output current of up to 3A. It features a positive output configuration and supports a wide output voltage range from 1.23V to 33V. The regulator employs a buck topology with a switching frequency of 200kHz, ensuring efficient power conversion.

The MIC4576BU is packaged in a TO263-5 surface mount format, making it suitable for compact and high-density designs. Despite its small form factor, it offers significant power handling capabilities. The device is REACH unaffected, ensuring compliance with environmental regulations. It also has a moisture sensitivity level (MSL) of 3, allowing for a 168-hour exposure to moisture, which is ideal for various manufacturing processes.

MIC4576BU Features

• Adjustable Output Voltage: The MIC4576BU provides an adjustable output voltage ranging from 1.23V to 33V, offering flexibility to meet diverse application requirements.
• Wide Input Voltage Range: With an input voltage range of 4V to 36V, the regulator can accommodate a variety of power sources, enhancing its versatility.
• High Output Current: Capable of delivering up to 3A of output current, the MIC4576BU is suitable for applications requiring high power.
• Efficient Buck Topology: Utilizing a buck topology with a 200kHz switching frequency, the regulator ensures high efficiency and minimal power loss.
• Surface Mount Packaging: The TO263-5 surface mount package allows for easy integration into compact designs, saving space on the PCB.
• Moisture Sensitivity Level (MSL) 3: The MSL 3 rating ensures the device can withstand 168 hours of moisture exposure, making it suitable for various manufacturing environments.
• REACH Unaffected: Compliance withACH RE regulations ensures the device is free from harmful substances, making it environmentally friendly.

MIC4576BU Applications

The MIC4576BU is ideal for a range of applications where high efficiency, adjustable output voltage, and robust performance are required. Some specific use cases include:

• Power Supplies: The regulator's wide input voltage range and high output current make it suitable for various power supply applications, including those in industrial and consumer electronics.
• Telecommunications: The device's efficiency and compact form factor are beneficial for telecom equipment where space is limited and power efficiency is crucial.
• Consumer Electronics: The MIC4576BU can be used in a variety of consumer devices, such as smartphones, tablets, and laptops, where adjustable voltage and high current are needed.
• Industrial Control Systems: The regulator's robust performance and wide operating voltage range make it suitable for industrial control systems that require reliable power management.

Conclusion of MIC4576BU

The MIC4576BU is a versatile high and-performance DC switching voltage regulator that offers significant advantages over similar models. Its adjustable output voltage, wide input voltage range, and high output current make it suitable for a variety of applications. The device's efficient buck topology and surface mount packaging further enhance its appeal for compact and high-density designs. Despite being marked as obsolete, the MIC4576BU remains a reliable choice for applications requiring robust power management solutions.

MIC4576BU Documents

Download datasheets and manufacturer documentation for MIC4576BU

Datasheets :

MIC4576      

PCN Packaging :

MBB/Label Chgs 16/Nov/2018      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH