Texas Instruments

TPS78918DBVR

TPS78918DBVR Description

The TPS78918DBVR is a low-dropout (LDO) voltage regulator from Texas Instruments, designed for applications requiring a fixed 1.8V output with a maximum input voltage of 10V. This single-output, positive voltage regulator offers a compact SOT23-5 package and is suitable for surface mount applications. With a fixed output voltage and a quiescent current of only 28 µA, this regulator is ideal for battery-powered devices and other low-power applications.

TPS78918DBVR Features

• Fixed Output Voltage: The TPS78918DBVR provides a stable 1.8V output, making it suitable for applications requiring a fixed voltage reference.
• Low Dropout Voltage: With a dropout voltage of only 100mV, this regulator can operate efficiently even when the input voltage is close to the output voltage.
• Low Quiescent Current: The 28 µA quiescent current ensures minimal power consumption in battery-powered devices.
• Over Current, Over Temperature, and Reverse Polarity Protection: These built-in protection features help safeguard the device and connected components from potential damage.
• PSRR of 85dB at 1kHz: This high power supply rejection ratio ensures stable operation in noisy environments.
• RoHS3 Compliance: The TPS78918DBVR meets the latest RoHS requirements, making it suitable for environmentally conscious designs.
• REACH Unaffected Status: This indicates that the device is not affected by the European Union's Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulations.

TPS78918DBVR Applications

The TPS78918DBVR is ideal for a variety of applications, including:

• Portable Electronics: Due to its low power consumption and compact size, this regulator is perfect for battery-powered devices such as smartphones, tablets, and wearables.
• Sensors and IoT Devices: The stable output voltage and low dropout characteristics make it suitable for powering sensors and IoT devices in harsh environments.
• Industrial Control Systems: The TPS78918DBVR can provide a stable power supply for microcontrollers and other components in industrial control systems.
• Medical Devices: The low quiescent current and fixed output voltage make this regulator suitable for powering low-power medical devices.

Conclusion of TPS78918DBVR

The TPS78918DBVR is a versatile, low-dropout voltage regulator from Texas Instruments, offering a fixed 1.8V output with a low quiescent current and robust protection features. Its compact SOT23-5 package and RoHS3 compliance make it an ideal choice for a wide range of applications, from portable electronics to industrial control systems. With its high PSRR and REACH unaffected status, the TPS78918DBVR is a reliable and environmentally friendly solution for your voltage regulation needs.