onsemi

MC33072DR2G

The MC33072DR2G is a high-efficiency synchronous step-down (buck) converter from ON Semiconductor. It is designed to provide a compact and efficient solution for converting input voltages as high as 28V to lower output voltages, making it suitable for a wide range of applications.

Description:

The MC33072DR2G is a highly integrated synchronous step-down converter that offers high efficiency and excellent thermal performance. It features a high 4.5A output current capability and operates with an input voltage range of 4.5V to 28V. The device is available in a compact 8-pin SOIC package.

Features:

1. High efficiency: The MC33072DR2G offers high efficiency up to 96%, making it suitable for power-sensitive applications.
2. Wide input voltage range: It can operate with input voltages from 4.5V to 28V, making it versatile for various power supply requirements.
3. High output current: The device can deliver up to 4.5A of output current, suitable for powering high-current loads.
4. Synchronous rectification: The synchronous rectification feature minimizes switching losses and improves efficiency, especially at higher input voltages and higher output currents.
5. Thermal shutdown and over-current protection: The MC33072DR2G includes built-in thermal shutdown and over-current protection features to protect against fault conditions.
6. Small form factor: The device is available in an 8-pin SOIC package, making it suitable for compact applications.
7. Low quiescent current: The low quiescent current of the device helps to minimize power consumption during no-load or light-load conditions.

Applications:

1. Portable devices: The high efficiency and compact form factor make the MC33072DR2G suitable for powering portable devices such as smartphones, tablets, and wearables.
2. Power banks: The device can be used in power banks to efficiently step down the voltage from the battery to the charging voltage of the connected devices.
3. LED lighting: The MC33072DR2G can be used to power LED lighting applications, providing efficient and precise voltage regulation.
4. Industrial control systems: The device can be used in industrial control systems to provide stable and efficient power supply to various components.
5. Medical devices: The high efficiency and compact form factor make the MC33072DR2G suitable for powering battery-operated medical devices.
6. Automotive applications: The device can be used in automotive applications, such as infotainment systems, where high efficiency and a wide input voltage range are required.

In summary, the ON Semiconductor MC33072DR2G is a high-efficiency synchronous step-down converter that offers a wide input voltage range, high output current capability, and excellent thermal performance. Its compact form factor and built-in protection features make it suitable for a wide range of applications, from portable devices to automotive systems.