Texas Instruments

TPS76633DR

The Texas Instruments TPS76633DR is a high-efficiency, low-dropout (LDO) linear voltage regulator that is designed to provide a stable and accurate output voltage to power sensitive loads. The device is available in a small, thermally enhanced SOT-23 package, making it ideal for use in a wide range of applications where space is at a premium.

Description:

The TPS76633DR is a low-dropout linear regulator that can provide an output voltage as low as 0.9V with an input voltage range of 2.5V to 5.5V. The device features a quiescent current of only 3.5μA, which makes it highly efficient and suitable for battery-powered applications. The LDO also has a high PSRR (Power Supply Reject Ratio) of 80dB, which ensures that the output voltage remains stable even in the presence of noisy input voltages.

Features:

1. Low dropout voltage: The TPS76633DR can operate with an input-to-output voltage differential as low as 200mV, making it suitable for applications where the input voltage is close to the desired output voltage.
2. High PSRR: The high PSRR ensures that the output voltage remains stable even when the input voltage is noisy.
3. Low quiescent current: The low quiescent current of 3.5μA makes the TPS76633DR highly efficient and suitable for battery-powered applications.
4. Small package: The device is available in a small SOT-23 package, making it ideal for use in compact designs.
5. Wide input voltage range: The TPS76633DR can operate with an input voltage range of 2.5V to 5.5V, making it suitable for a wide range of applications.
6. Enable function: The LDO features an enable function that allows the output to be turned off when not needed, further conserving power.

Applications:

The TPS76633DR is suitable for a wide range of applications where a stable and accurate output voltage is required. Some of the potential applications include:

1. Portable electronics: The low quiescent current and low dropout voltage make the TPS76633DR ideal for use in battery-powered devices such as smartphones, tablets, and wearable devices.
2. IoT devices: The device's small package and low power consumption make it suitable for use in IoT devices where space and power efficiency are critical.
3. Medical devices: The TPS76633DR can be used to provide a stable power supply to sensitive medical equipment, such as hearing aids and portable medical monitors.
4. Industrial applications: The device's high PSRR and low dropout voltage make it suitable for use in industrial applications where a stable power supply is required, such as in sensor interfaces and motor controllers.
5. Automotive applications: The TPS76633DR can be used in automotive applications where a stable and accurate power supply is required, such as in infotainment systems and advanced driver-assistance systems (ADAS).

In summary, the Texas Instruments TPS76633DR is a high-efficiency, low-dropout linear voltage regulator that offers a stable and accurate output voltage for a wide range of applications. Its small package, low quiescent current, and high PSRR make it an ideal choice for battery-powered and space-constrained designs.