Product Overview

The Texas Instruments TPS77918DGKR is a high-performance, low-dropout (LDO) voltage regulator designed to deliver a stable and precise 1.8V output voltage. This regulator is part of TI's TPS779xx family of devices, which are known for their low quiescent current, making them ideal for battery-powered applications where power efficiency is crucial.

Key Features

• Output Voltage: The TPS77918DGKR offers a fixed output voltage of 1.8V, suitable for a range of low-voltage applications.
• High Accuracy: The output voltage is maintained with high accuracy, ensuring reliable performance for sensitive electronic components.
• Low Dropout: With a low dropout voltage, this LDO can operate efficiently even when the input-to-output voltage differential is minimal.
• Low Quiescent Current: The device features a very low quiescent current of 92µA (typical), which helps to extend battery life in portable applications.
• Thermal Shutdown and Overcurrent Protection: Built-in safety features protect the device and the load from damage due to overheating or excessive current.
• Small Package Size: The TPS77918DGKR comes in an 8-pin MSOP (DGK) package, which is ideal for space-constrained applications.

Applications

Thanks to its features, the TPS77918DGKR is well-suited for a variety of electronic devices and systems, including:

• Battery-powered equipment
• Handheld devices
• Microcontroller power supplies
• Portable communication devices
• Linear power supplies

Technical Specifications

Parameter Value Output Voltage (V<sub>OUT) 1.8V Dropout Voltage (V<sub>DO) Typically 280mV at 500mA Maximum Output Current (I<sub>OUT) 500mA Quiescent Current (I<sub>Q) 92µA (Typical) Package Type 8-pin MSOP (DGK)

The TPS77918DGKR from Texas Instruments is a reliable and efficient solution for delivering a stable voltage supply in a variety of electronic applications, balancing performance with power conservation.