Texas Instruments

TPS77818D

TPS77818D Description

The TPS77818D is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 1.8V and capable of delivering up to 750mA of output current. This single regulator device is designed for surface-mount applications and is housed in an 8SOIC package, making it suitable for compact and efficient power supply designs. The TPS77818D features a maximum input voltage of 10V, ensuring compatibility with a wide range of input sources. With a quiescent current of only 125 µA, the regulator is optimized for low power consumption, making it ideal for battery-powered and energy-efficient systems.

TPS77818D Features

• Fixed Output Voltage: The TPS77818D provides a stable 1.8V output voltage, ensuring consistent power delivery to sensitive electronic components.
• High Current Capability: With a maximum output current of 750mA, this regulator can support a variety of high-current applications without compromising performance.
• Low Quiescent Current: The 125 µA quiescent current ensures minimal power loss, making the TPS77818D suitable for low-power and battery-operated devices.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 60dB at 1kHz helps in filtering out noise from the input supply, resulting in cleaner output voltage.
• Control and Protection Features: The regulator includes enable, power good, and reset control features, as well as over current, over temperature, and reverse polarity protection, ensuring robust and reliable operation.
• Compliance and Reliability: The TPS77818D is REACH unaffected and RoHS3 compliant, meeting stringent environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited exposure to moisture, which enhances its reliability in various environmental conditions.

TPS77818D Applications

The TPS77881D is well-suited for a variety of applications where a stable and efficient power supply is critical. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-voltage components in devices such as smartphones, tablets, and IoT devices.
• Industrial Systems: Suitable for industrial control systems, automation equipment, and instrumentation where reliable power supply and low noise are essential.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment to provide stable power to critical components.
• Medical Devices: Applicable in medical equipment where precise voltage regulation and low noise are required for accurate measurements and safe operation.

Conclusion of TPS77818D

The TPS77818D from Texas Instruments stands out as a reliable and efficient linear voltage regulator, offering a fixed 1.8V output with a maximum current capability of 750mA. Its low quiescent current and high PSRR make it an excellent choice for low-power and noise-sensitive applications. The inclusion of advanced control and protection features ensures robust performance and reliability. With its compliance to industry standards and versatile applications, the TPS77818D is a valuable component for engineers designing compact and efficient power supply solutions.