Texas Instruments

UA78L15ACLPE3

UA78L15ACLPE3 Description

The UA78L15ACLPE3 is a linear voltage regulator from Texas Instruments, designed to provide a fixed output voltage of 15V with a maximum output current of 100mA. This regulator is housed in a TO-92-3 package and features a through-hole mounting type, making it suitable for a variety of applications requiring a stable and reliable power supply. The device operates within an input voltage range up to 30V and is capable of handling a maximum dropout voltage of 1.7V at 40mA. It offers comprehensive protection features including over current, over temperature, reverse polarity, and short circuit protection. The UA78L15ACLPE3 operates within a temperature range of 0°C to 125°C, ensuring robust performance in diverse environmental conditions. Despite being marked as obsolete, it remains a viable option for legacy systems and specific applications where its unique features are advantageous.

UA78L15ACLPE3 Features

• Fixed Output Voltage: Provides a stable 15V output, ensuring consistent power supply to connected devices.
• High Input Voltage Range: Capable of handling input voltages up to 30V, offering flexibility in power source selection.
• Low Dropout Voltage: With a maximum dropout voltage of 1.7V at 40mA, it maintains efficiency even at lower input voltages.
• Protection Features: Equipped with over current, over temperature, reverse polarity, and short circuit protection, enhancing reliability and longevity.
• Wide Operating Temperature Range: Functions reliably between 0°C and 125°C, suitable for both industrial and consumer applications.
• Through-Hole Mounting: Facilitates easy integration into printed circuit boards and manual assembly processes.
• Compliance: Meets REACH and ROHS3 standards, ensuring environmental and safety compliance.
• Low Noise and High PSRR: Achieves a power supply rejection ratio (PSRR) of 39dB at 120Hz, minimizing noise and ripple in the output voltage.

UA78L15ACLPE3 Applications

The UA78L15ACLPE3 is ideal for applications requiring a stable 15V power supply with moderate current capabilities. Its low dropout voltage and comprehensive protection features make it suitable for:

• Consumer Electronics: Powering small devices and peripherals that require a stable 15V supply.
• Industrial Controls: Providing reliable power to sensors, actuators, and control systems in industrial environments.
• Telecommunications: Supplying power to low-power communication modules and interfaces.
• Automotive Systems: Used in vehicle electronics where a stable voltage supply is crucial for reliable operation.
• Legacy Systems: Ideal for maintaining and upgrading older systems where this specific regulator is already in use.

Conclusion of UA78L15ACLPE3

The UA78L15ACLPE3 from Texas Instruments is a robust linear voltage regulator that offers a stable 15V output with comprehensive protection features. Its low dropout voltage and wide operating temperature range make it suitable for a variety of applications, from consumer electronics to industrial controls. Despite being marked as obsolete, its unique features and compliance with environmental standards ensure it remains a viable choice for specific use cases. For applications requiring a reliable and efficient power supply, the UA78L15ACLPE3 stands out as a dependable solution.