Microsemi

LX8117-05CST

LX8117-05CST Description

The LX8117-05CST is a linear voltage regulator designed by Microsemi Corporation, offering a fixed 5V output with a maximum current capability of 800mA. This device is housed in a SOT223 package, making it suitable for surface mount applications. The regulator is designed to operate within an input voltage range up to 15V and features a dropout voltage of 1.V2 at full load, ensuring efficient operation even at lower input voltages. With a quiescent current of 10mA and a power supply rejection ratio (PSRR) of 75dB at 120Hz, the LX8117-05CST provides stable and reliable power regulation. The operating temperature range spans from 0°C to 125°C, making it suitable for a variety of industrial and consumer applications. Despite its obsolescence status, the LX8117-05CST remains a robust choice for applications requiring a single positive output regulator with over-current and short-circuit protection features.

LX8117-05CST Features

• Fixed Output Voltage: Provides a stable 5V output, ideal for applications requiring a consistent power supply.
• High Efficiency: With a dropout voltage of 1.2V at 800mA, the regulator maintains high efficiency even at lower input voltages.
• Low Quiescent Current: A quiescent current of 10mA ensures minimal power consumption during operation, enhancing overall system efficiency.
• High PSRR: A power supply rejection ratio of 75dB at 120Hz ensures excellent noise filtering, providing clean power to sensitive circuits.
• Protection Features: Over-current and short-circuit protection safeguard the regulator and connected circuits from damage.
• Wide Operating Temperature Range: Suitable for use in environments ranging from 0°C to 125°C, making it ideal for both industrial and consumer applications.
• Surface Mount Package: The SOT223 package is designed for surface mount technology, facilitating compact and reliable PCB designs.

LX8117-05CST Applications

The LX8117-05CST is well-suited for a variety of applications where a stable and efficient power supply is required. Its fixed 5V output and 800mA current capability make it ideal for powering microcontrollers, sensors, and other low-power electronics. The regulator's low dropout voltage and high PSRR ensure reliable performance in applications with varying input voltages and sensitive circuitry. Specific use cases include:

• Embedded Systems: Providing stable power to microcontrollers and embedded processors.
• Sensor Networks: Ensuring reliable power supply for low-power sensors in IoT applications.
• Consumer Electronics: Suitable for powering small appliances and devices requiring a stable 5V supply.
• Industrial Control: Ideal for industrial applications where a compact and efficient power solution is needed.

Conclusion of LX8117-05CST

The LX8117-05CST is a reliable and efficient linear voltage regulator designed for applications requiring a stable 5V output and up to 800mA of current. Its low dropout voltage, high PSRR, and protection features make it a robust choice for a variety of applications, from embedded systems to industrial control. Despite its obsolescence status, the LX8117-05CST remains a viable option for seeking designers a compact and efficient power solution.