Texas Instruments

UA78L12ACLPE3

UA78L12ACLPE3 Description

The UA78L12ACLPE3 is a linear voltage regulator designed by Texas Instruments, featuring a fixed output voltage of 12V and a maximum output current of 100mA. This regulator is housed in a TO92-3 package and is suitable for through-hole mounting. It operates within an input voltage range up to 27V and is designed for applications requiring a positive output configuration. With a dropout voltage of 1.7V at 40mA, the UA78L12ACLPE3 ensures efficient power regulation even under varying load conditions. The device offers comprehensive protection features, including over-current, over-temperature, reverse polarity, and short-circuit protection, ensuring robustness and reliability in various operating environments. The operating temperature range spans from 0°C to 125°C, making it suitable for a wide range of industrial and consumer applications. Despite being marked as obsolete, the7 UA8L12ACLPE3 remains a viable option for legacy systems and specific applications where its unique features are advantageous. It is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards.

UA78L12ACLPE3 Features

• Fixed Output Voltage: The UA78L12ACLPE3 provides a stable 12V output, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 27V, this regulator can handle a wide range of input voltages, making it versatile for various power sources.
• Low Dropout Voltage: At 1.7V dropout at 40mA, the UA78L12ACLPE3 maintains high efficiency, even under low-load conditions.
• Comprehensive Protection: Over-current, over-temperature, reverse polarity, and short-circuit protection features safeguard the device and connected circuits from potential damage.
• Wide Operating Temperature Range: Suitable for operation between 0°C and 125°C, this regulator can be deployed in both ambient and high-temperature environments.
• Through-Hole Mounting: The TO92-3 package and through-hole mounting type make it easy to integrate into PCB designs, ensuring mechanical stability and ease of assembly.
• Environmental Compliance: The device is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.

UA78L12ACLPE3 Applications

The UA78L12ACLPE3 is ideal for applications requiring a stable 12V power supply with moderate current capabilities. Its low dropout voltage and wide input voltage range make it suitable for battery-powered devices, automotive electronics, and industrial control systems. The comprehensive protection features ensure reliability in harsh environments, making it a robust choice for applications such as:

• Battery Chargers: Providing a stable voltage for efficient and safe battery charging.
• Automotive Electronics: Ensuring reliable power supply in vehicles, where voltage fluctuations are common.
• Industrial Control Systems: Offering stable power for sensors, actuators, and other control components.
• Consumer Electronics: Suitable for devices requiring a stable 12V supply, such as routers, modems, and other small appliances.

Conclusion of UA78L12ACLPE3

The UA78L12ACLPE3 from Texas Instruments is a reliable linear voltage regulator offering a fixed 12V output and 100mA current capability. Its low dropout voltage, wide input voltage range, and comprehensive features protection make it a robust choice for various applications. Despite being marked as obsolete, the UA78L12ACLPE3 remains a viable option for legacy systems and specific applications where its unique features are advantageous. Its environmental compliance and wide operating temperature range further enhance its suitability for diverse industrial and consumer applications.