Texas Instruments

TPS79901DDCR

The TPS79901DDCR is a low-dropout (LDO) linear voltage regulator manufactured by 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 systems, and industrial equipment.

Description:

The TPS79901DDCR is a low-dropout linear voltage regulator with an input voltage range of 2.5V to 5.5V and an output voltage range of 1.2V to 3.3V. It is available in a small DFN (Dual Flat No-leads) package, making it suitable for space-constrained applications.

Features:

1. Low dropout voltage: The TPS79901DDCR has a low dropout voltage of 300mV at maximum load, ensuring efficient power supply even under heavy load conditions.
2. High PSRR (Power Supply Reject Ratio): The device offers a high PSRR of -65dB at 1kHz, providing excellent noise immunity and stable output voltage.
3. Low quiescent current: The TPS79901DDCR has a low quiescent current of 5.5µA, making it ideal 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. Thermal shutdown and overcurrent protection: The device features built-in protection mechanisms to ensure safe operation and prevent damage due to overcurrent or overheating.

Applications:

1. Portable devices: The TPS79901DDCR is suitable for powering portable devices such as smartphones, tablets, and wearable electronics, where low power consumption and a stable voltage output are essential.
2. Battery-powered systems: The low quiescent current and low dropout voltage make this LDO ideal for battery-powered applications, helping to extend battery life.
3. Industrial equipment: The TPS79901DDCR can be used in industrial equipment that requires a stable and reliable power supply, such as sensors, controllers, and communication modules.
4. IoT devices: The device's small form factor and low power consumption make it suitable for Internet of Things (IoT) devices, where space and energy efficiency are critical.
5. Automotive applications: The TPS79901DDCR can be used in automotive applications, providing a stable power supply for various electronic components within the vehicle.

In summary, the TPS79901DDCR is a low-dropout linear voltage regulator from Texas Instruments that offers a stable and reliable voltage output for a wide range of applications. Its low quiescent current, adjustable output voltage, and built-in protection features make it an ideal choice for portable devices, battery-powered systems, industrial equipment, IoT devices, and automotive applications.