Product Overview: TPS79301 Low-Dropout Regulator from Texas Instruments

The TPS79301 is a high-performance, low-dropout (LDO) linear voltage regulator from Texas Instruments, designed to deliver a stable and precise voltage supply. This regulator is ideal for sensitive analog circuits, RF applications, and post-regulation for switching power supplies due to its low noise, high accuracy, and low dropout voltage.

Key Features

• High Accuracy: The TPS79301 maintains a tight output voltage regulation with an accuracy of ±1% over temperature, line, and load variations, ensuring reliable performance for critical applications.
• Low Dropout Voltage: With a dropout voltage as low as 85mV at 200mA, this LDO helps in maximizing battery life in portable devices by allowing operation closer to the battery's end-of-life voltage.
• Low Noise: It features an excellent power supply rejection ratio (PSRR) and low output noise, making it suitable for noise-sensitive circuits such as VCOs, RF circuits, and high-resolution ADCs.
• Adjustable Output: The output voltage can be set from 1.2V to 6.5V with an external resistor divider, providing flexibility for various design requirements.
• Thermal Protection: Integrated thermal shutdown and overcurrent protection safeguard the device and the load from damage due to overheating and excessive current.
• Small Package: Available in a small SOT-23 package, the TPS79301 occupies minimal board space, making it well-suited for space-constrained applications.

Applications

The TPS79301 is versatile and can be used in a wide range of applications, including:

• Portable and battery-powered devices
• Wireless communication systems
• Medical equipment
• Power supply post-regulation
• Analog and RF circuitry

Conclusion

The Texas Instruments TPS79301 LDO regulator combines high precision, low noise, and low dropout voltage in a compact package, making it an excellent choice for designers looking to enhance the performance of their power-sensitive applications. Its robust feature set ensures a stable and reliable power supply, extending the life and efficacy of the end product.