Overview of Texas Instruments TPS79318DBVT

The TPS79318DBVT from Texas Instruments is a high-performance, low-dropout (LDO) voltage regulator that offers the benefits of low noise, high power supply rejection ratio (PSRR), and low quiescent current. This regulator is designed to deliver a fixed output voltage of 1.8V with an output tolerance of 1% over the full temperature range. The device is capable of supplying 200mA of output current, making it ideal for battery-powered and low-power applications.

Key Features

• High Accuracy: The TPS79318DBVT provides a precise output voltage with a tight tolerance, ensuring reliable performance for sensitive electronic circuits.
• Low Dropout Voltage: With a very low dropout voltage, this LDO can operate efficiently even when the input voltage is close to the output voltage, maximizing battery life in portable applications.
• Low Noise: This regulator is designed for applications that require a low-noise power supply. It minimizes the amount of voltage ripple and noise, which is critical for RF and precision analog circuits.
• High PSRR: The high PSRR of the TPS79318DBVT makes it suitable for post-regulation applications, providing a stable output voltage even in the presence of fluctuations in the input supply.
• Low Quiescent Current: The device features a low quiescent current, which is ideal for battery-powered devices as it helps in prolonging the battery life by reducing power consumption when in standby mode.
• Thermal Shutdown and Overcurrent Protection: Built-in safety features include thermal shutdown and overcurrent protection, which safeguard the device and the load from damage due to excessive heat or current.

Applications

The TPS79318DBVT is versatile and can be used in a wide range of applications, including:

• Mobile phones
• PDAs and handheld computing devices
• Wireless LAN cards
• Portable media players
• GPS receivers
• Analog and digital sensors

Package and Availability

The device is available in a compact SOT-23 (DBVT) package, which is suitable for space-constrained applications. The TPS79318DBVT is part of Texas Instruments' extensive portfolio of voltage regulators, known for their reliability and performance, making it a preferred choice for design engineers.