Texas Instruments

TPS76901QDBVRG4Q1

The TPS76901QDBVRG4Q1 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 wide range of applications.

Description:

The TPS76901QDBVRG4Q1 is a low-dropout linear voltage regulator with an input voltage range of 1.9V to 5.5V and an output voltage range of 1.2V to 3.3V. It is available in a small QFN package, making it suitable for space-constrained applications.

Features:

1. Low dropout voltage: The TPS76901QDBVRG4Q1 has a low dropout voltage of typically 300mV at a 1A load, ensuring stable voltage regulation even with a low input voltage.
2. High PSRR: The regulator has a high power supply rejection ratio (PSRR) of -70dB at 1kHz, providing excellent noise immunity and minimizing output voltage fluctuations due to input voltage variations.
3. Low quiescent current: The quiescent current of the TPS76901QDBVRG4Q1 is typically 2.5µA, making it suitable for battery-powered applications where power consumption is critical.
4. Adjustable output voltage: The output voltage can be easily adjusted using external resistors, allowing for customization to specific application requirements.
5. Enable function: The regulator features an enable function, allowing the output voltage to be turned on or off as needed.
6. Overcurrent protection: The TPS76901QDBVRG4Q1 has built-in overcurrent protection to prevent damage in case of a short circuit or overload condition.

Applications:

The TPS76901QDBVRG4Q1 is suitable for a wide range of applications, including:

1. Portable devices: The low quiescent current and low dropout voltage make it ideal for battery-powered devices such as smartphones, tablets, and wearables.
2. IoT devices: The adjustable output voltage and small package size make it suitable for Internet of Things (IoT) devices, where space and power consumption are critical.
3. Industrial applications: The high PSRR and overcurrent protection features make the TPS76901QDBVRG4Q1 suitable for industrial applications where noise immunity and reliability are important.
4. Automotive applications: The regulator can be used in automotive applications, providing stable voltage regulation for various electronic components in vehicles.
5. Medical devices: The TPS76901QDBVRG4Q1 can be used in medical devices, providing stable voltage regulation for sensitive electronic components.
   In summary, the TPS76901QDBVRG4Q1 is a versatile and efficient low-dropout linear voltage regulator from Texas Instruments, suitable for a wide range of applications where stable voltage regulation and low power consumption are critical.