Texas Instruments

UA78L05ACPKE6

UA78L05ACPKE6 Description

The UA78L05ACPKE6 is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 5V and a maximum output current of 100mA. This device is housed in a Surface Mount SOT89-3 package, making it ideal for compact and space-constrained applications. It features a maximum input voltage of 20V and a dropout voltage of 1.7V at 40mA, ensuring efficient operation even under varying conditions load. The regulator is equipped with comprehensive protection features, including over current, over temperature, reverse polarity, and short circuit protection, enhancing its reliability and robustness.

UA78L05ACPKE6 Features

• Fixed Output Voltage: The UA78L05ACPKE6 provides a stable 5V output, making it suitable for applications requiring a precise and consistent voltage supply.
• High Input Voltage Range: With a maximum input voltage of 20V, this regulator can handle a wide range of input voltages, providing flexibility in power supply design.
• Low Dropout Voltage: At 1.7V dropout at 40mA, the UA78L05ACPKE6 ensures efficient power conversion, minimizing power loss and heat generation.
• Protection Features: Over current, over temperature, reverse polarity, and short circuit protections safeguard the regulator and connected components from damage.
• Surface Mount Packaging: The SOT89-3 package is ideal for surface mount applications, offering a compact footprint and ease of integration into modern PCB designs.
• Wide Operating Temperature Range: The device operates reliably from 0°C to 125°C, making it suitable for a variety of industrial and consumer applications.
• High PSRR: With a power supply rejection ratio (PSRR) of 49dB at 120Hz, the UA78L05ACPKE6 effectively filters out noise from the input power supply, ensuring clean output voltage.
• Compliance and Status: The regulator is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards. It is also classified under ECCN EAR99 and HTSUS 8542.39.0001.

UA78L05ACPKE6 Applications

The UA78L05ACPKE6 is well-suited for a variety of applications where a stable and reliable 5V power supply is required. Its compact size and robust protection features make it ideal for:

• Consumer Electronics: Powering small devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing stable power to sensors, actuators, and microcontrollers in industrial automation systems.
• Medical Devices: Ensuring reliable power supply in medical monitoring equipment and portable diagnostic tools.
• Automotive Electronics: Supplying power to electronic control units (ECUs) and infotainment systems in vehicles.
• Telecommunications: Powering low-power communication modules and IoT devices.

Conclusion of UA78L05ACPKE6

The UA78L05ACPKE6 Texas from Instruments is a versatile and reliable linear voltage regulator, offering a fixed 5V output with comprehensive protection features. Its low dropout voltage and wide input voltage range make it an efficient choice for a variety of applications. The compact SOT89-3 package and surface mount design ensure easy integration into modern electronic systems. With its high PSRR and wide operating temperature range, the UA78L05ACPKE6 stands out as a robust and reliable solution for power management needs.