STMicroelectronics

UPSD3333D-40T6

The UPSD3333D-40T6 is a high-performance, synchronous, step-down (buck) regulator from STMicroelectronics. This device is designed to provide efficient power conversion in a wide range of applications, including automotive, industrial, and telecom systems.

Description:

The UPSD3333D-40T6 is a monolithic power module that integrates a power MOSFET, a synchronous rectifier MOSFET, and a controller. It is available in a compact 6-pin PowerSSO-6 package, which allows for easy implementation in various applications.

Features:

1. Wide input voltage range: The UPSD3333D-40T6 can operate with input voltages ranging from 4.5V to 60V, making it suitable for various power supply systems.
2. High efficiency: The device offers high efficiency levels, up to 96%, which helps in reducing power dissipation and improving overall system performance.
3. Synchronous rectification: The use of synchronous rectification in the UPSD3333D-40T6 ensures low quiescent current and improved efficiency, especially at light load conditions.
4. Programmable output voltage: The output voltage can be adjusted using an external resistor divider, providing flexibility in meeting different voltage requirements.
5. Protection features: The device includes various protection features such as over-current protection, over-voltage protection, and thermal shutdown, ensuring reliable operation and system safety.
6. Small form factor: The compact 6-pin PowerSSO-6 package allows for easy integration in space-constrained applications.

Applications:

1. Automotive systems: The UPSD3333D-40T6 is suitable for various automotive applications, including infotainment systems, LED lighting, and battery management systems.
2. Industrial systems: The device can be used in industrial applications such as motor drives, programmable logic controllers, and sensor power supplies.
3. Telecommunication systems: The UPSD3333D-40T6 is suitable for powering base stations, routers, and other communication equipment.
4. Consumer electronics: The device can be used in portable devices, such as smartphones, tablets, and laptops, to provide efficient power conversion.
5. Medical devices: The UPSD3333D-40T6 can be used in various medical devices, such as patient monitoring systems and diagnostic equipment, to ensure reliable power supply.

In summary, the UPSD3333D-40T6 from STMicroelectronics is a versatile, high-performance synchronous step-down regulator that offers a wide input voltage range, high efficiency, and various protection features. Its compact form factor and programmable output voltage make it suitable for a wide range of applications, including automotive, industrial, telecom, consumer electronics, and medical devices.