The TPS79901DDCR is a state-of-the-art low-dropout (LDO) linear voltage regulator designed and manufactured by Texas Instruments, a leader in semiconductor solutions. This highly efficient device is engineered to provide a stable and reliable power supply for a wide range of applications, including sensitive RF and analog circuitry that require low noise and a clean power source.

Key Features

• High-Performance Regulation: With an output voltage range from 1.2V to 6.5V, the TPS79901DDCR is capable of delivering up to 200mA of continuous output current, which is suitable for a variety of low-power devices and applications.
• Ultra-Low Dropout: The device boasts an ultra-low dropout of typically 40mV at full load, which enhances its efficiency and allows operation close to the input voltage, maximizing battery life in portable applications.
• Low Noise Output: This regulator is designed to have low output noise, making it an ideal choice for powering noise-sensitive components such as precision analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other sensitive RF and analog circuitry.
• Power-Saving Features: The TPS79901DDCR includes a low-power sleep mode, which significantly reduces quiescent current and extends battery life in portable applications.
• Thermal and Overcurrent Protection: Built-in thermal shutdown and overcurrent protection features safeguard the device and the application from potential damage due to excessive heat or load conditions.

Applications

With its versatile performance characteristics, the TPS79901DDCR is well-suited for a broad array of applications, including:

• Portable and battery-powered devices
• Wireless handsets and WLAN cards
• RF and sensitive analog applications
• Medical equipment
• Post-regulation for switching power supplies

Product Specifications

The TPS79901DDCR comes in a compact SOT-23 package and is characterized for operation over a wide temperature range of –40°C to 125°C. Its small footprint and low profile make it an excellent choice for space-constrained applications.

For design flexibility, the output voltage can be set using an external pair of resistors, and the device is stable with ceramic capacitors, which are small, reliable, and provide better performance in terms of equivalent series resistance (ESR).

With its combination of features, the TPS79901DDCR from Texas Instruments represents a robust power management solution, ensuring efficient and reliable operation in a diverse array of electronic products.