Texas Instruments

TPS3851H33EDRBR

The TPS3851H33EDRBR is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable output voltage to a wide range of applications, including portable devices, power supplies, and battery-powered systems.

Description:

The TPS3851H33EDRBR is a highly integrated, high-efficiency synchronous step-down regulator that can operate from an input voltage range of 4.5V to 22V. It has a wide output voltage range of 0.9V to 5.5V and can deliver up to 3A of continuous output current. The device features a compact thermally enhanced 10-pin DFN package.

Features:

1. High efficiency: The TPS3851H33EDRBR offers high efficiency of up to 95%, which helps reduce power dissipation and improve overall system performance.
2. Wide input voltage range: The device can operate from an input voltage range of 4.5V to 22V, making it suitable for various applications with different input voltage requirements.
3. Wide output voltage range: The output voltage range of 0.9V to 5.5V allows the device to be used in a wide range of applications, including those requiring low output voltages.
4. High output current: The TPS3851H33EDRBR can deliver up to 3A of continuous output current, making it suitable for applications with high current requirements.
5. Synchronous rectification: The device uses synchronous rectification, which improves efficiency by reducing the voltage drop across the switch elements.
6. Thermal protection: The TPS3851H33EDRBR features thermal shutdown and over-temperature warning, which protect the device from overheating and potential damage.
7. Small form factor: The compact 10-pin DFN package allows for easy integration into space-constrained applications.

Applications:

1. Portable devices: The TPS3851H33EDRBR can be used in smartphones, tablets, and other portable devices to provide a stable output voltage for the battery and other components.
2. Power supplies: The device can be used in power supply applications to provide a regulated output voltage to various loads.
3. Battery-powered systems: The TPS3851H33EDRBR can be used in battery-powered systems, such as drones, robotics, and IoT devices, to efficiently step down the battery voltage to the required level.
4. Industrial applications: The device can be used in industrial applications, such as motor drives and control systems, to provide a stable and efficient power supply.
5. Automotive applications: The TPS3851H33EDRBR can be used in automotive applications, such as infotainment systems and advanced driver-assistance systems (ADAS), to provide a regulated power supply.

In summary, the TPS3851H33EDRBR from Texas Instruments is a high-efficiency synchronous step-down regulator that offers a wide input voltage range, high output current capability, and a compact form factor. It is suitable for a wide range of applications, including portable devices, power supplies, battery-powered systems, industrial applications, and automotive applications.