Texas Instruments

TPS78833DBVR

The TPS78833DBVR is a low-power, low-dropout (LDO) linear voltage regulator from Texas Instruments. This device is designed to provide a stable and reliable voltage output for a wide range of applications, including portable devices, battery-powered equipment, and industrial systems.

Description:

The TPS78833DBVR is a fixed-output LDO regulator that operates from an input voltage range of 1.8V to 5.5V and provides a fixed output voltage of 3.3V. It is available in a small SOT23-5 package, making it suitable for space-constrained applications.

Features:

1. Low dropout voltage: The TPS78833DBVR features a low dropout voltage of typically 300mV at a 1A load, ensuring efficient power delivery even under heavy load conditions.
2. Low quiescent current: The device has a low quiescent current of 5.5µA (typical), which helps extend the battery life of portable devices.
3. High PSRR: The TPS78833DBVR offers a high power supply rejection ratio (PSRR) of 70dB at 1kHz, providing excellent noise immunity and stability.
4. Small package size: The SOT23-5 package is compact and suitable for space-constrained applications.
5. Wide input voltage range: The regulator can accept input voltages from 1.8V to 5.5V, making it versatile for various power supply sources.
6. Thermal shutdown protection: The device includes thermal shutdown protection to prevent damage due to overheating.

Applications:

1. Portable devices: The TPS78833DBVR is ideal for powering portable electronics, such as smartphones, tablets, and wearable devices, due to its low quiescent current and small package size.
2. Battery-powered equipment: The low dropout voltage and low quiescent current make it suitable for battery-powered devices, where power efficiency is crucial.
3. Industrial systems: The high PSRR and thermal shutdown protection make the TPS78833DBVR suitable for use in industrial applications where stable voltage regulation and reliability are essential.
4. IoT devices: The low-power characteristics and small form factor make it suitable for Internet of Things (IoT) devices, where energy efficiency and compact design are important.
5. Automotive systems: The TPS78833DBVR can be used in automotive applications, such as infotainment systems and sensor interfaces, where a stable and reliable voltage supply is required.

In summary, the TPS78833DBVR is a low-power, low-dropout linear voltage regulator from Texas Instruments that offers a compact solution for a wide range of applications, including portable devices, battery-powered equipment, and industrial systems. Its low quiescent current, low dropout voltage, and high PSRR make it an ideal choice for applications where power efficiency and stable voltage regulation are crucial.