STMicroelectronics

MC33079DT

The MC33079DT is a high-efficiency step-down (buck) switching regulator integrated circuit (IC) manufactured by STMicroelectronics. This device is designed to provide efficient and reliable power conversion for a wide range of applications.

Description:

The MC33079DT is a high-performance step-down switching regulator that offers a wide input voltage range of 4V to 40V and can deliver an output current of up to 3A. It features a fixed 5V output voltage, making it suitable for powering various low-voltage applications. The device is available in a compact and thermally efficient DDPAK package.

Features:

1. High efficiency: The MC33079DT offers high efficiency up to 93%, which helps reduce power dissipation and improve overall system performance.
2. Wide input voltage range: The device can accept input voltages from 4V to 40V, making it suitable for a variety of power supply sources.
3. Fixed 5V output voltage: The output voltage is fixed at 5V, simplifying the design of the power supply circuit.
4. High output current: The device can deliver up to 3A of output current, making it suitable for powering high-current applications.
5. Low dropout voltage: The low dropout voltage of the MC33079DT ensures stable operation even under heavy load conditions.
6. Thermal protection: The device features an internal thermal shutdown protection to prevent damage due to overheating.
7. Small form factor: The DDPAK package allows for a compact design, saving space on the PCB.

Applications:

The MC33079DT is suitable for a wide range of applications that require efficient and reliable power conversion, including:

1. Portable electronic devices: Smartphones, tablets, and other handheld devices can benefit from the high efficiency and compact size of the MC33079DT.
2. Power banks: The device can be used to step down the voltage from a high-capacity battery to charge or power USB devices.
3. Industrial equipment: The wide input voltage range and high efficiency make the MC33079DT suitable for powering industrial equipment with varying input voltages.
4. LED lighting: The device can be used to power LED lighting systems, providing efficient power conversion and thermal management.
5. Medical devices: The MC33079DT can be used in medical devices that require a stable and reliable power supply.
6. Automotive applications: The device can be used in automotive systems, such as infotainment systems and in-car charging solutions.

In summary, the MC33079DT is a high-efficiency step-down switching regulator that offers a wide input voltage range, high output current, and fixed 5V output voltage. Its compact size and thermal efficiency make it suitable for a variety of applications, including portable electronics, power banks, industrial equipment, LED lighting, medical devices, and automotive systems.