Texas Instruments

TPS73643DBVR

The TPS73643DBVR is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable and reliable voltage output for a variety of applications.

Description:

The TPS73643DBVR is a compact, low-dropout linear voltage regulator that operates from an input voltage range of 2.5V to 5.5V and provides an adjustable output voltage from 1.23V to 3.36V. It is available in a small, thermally enhanced SOT-23 package, making it ideal for space-constrained applications.

Features:

1. Low dropout voltage: The TPS73643DBVR has a low dropout voltage of 200mV at a 1A load, ensuring high efficiency and stable output voltage even under heavy load conditions.
2. Adjustable output voltage: The output voltage can be easily adjusted using external resistors, allowing for customization to meet specific application requirements.
3. High input-to-output isolation: The TPS73643DBVR provides 1500V input-to-output isolation, ensuring safety and reliability in various applications.
4. Low quiescent current: The device has a low quiescent current of 5.5μA, making it suitable for battery-powered applications where power consumption is critical.
5. Thermal protection: The TPS73643DBVR features thermal shutdown protection, which safeguards the device from overheating and potential damage.

Applications:

1. Portable devices: The TPS73643DBVR is well-suited for use in portable devices such as smartphones, tablets, and wearables, where space is limited, and power efficiency is crucial.
2. IoT devices: The low power consumption and adjustable output voltage make it an ideal choice for IoT devices, which often require stable and efficient power regulation.
3. Medical devices: The TPS73643DBVR's high input-to-output isolation and low quiescent current make it suitable for use in battery-powered medical devices that require precise voltage regulation.
4. Industrial equipment: The device's thermal protection and low dropout voltage make it suitable for use in industrial equipment where reliability and efficiency are essential.
5. Automotive applications: The TPS73643DBVR can be used in automotive applications, such as infotainment systems and sensor interfaces, where stable voltage regulation is required.

In summary, the TPS73643DBVR is a versatile, low-dropout linear voltage regulator that offers high efficiency, adjustable output voltage, and thermal protection, making it suitable for a wide range of applications, including portable devices, IoT devices, medical devices, industrial equipment, and automotive applications.