Texas Instruments

UA78L12ACD  

Linear & Switching Voltage Regulators

UA78L12ACD Description

The UA78L12ACD is a fixed positive linear voltage regulator designed by Texas Instruments, offering a stable 12V output with a maximum input voltage of 27V. This regulator is capable of delivering up to 100mA of current, making it suitable for a variety of low-power applications. The device features a dropout voltage of 1.7V at 40mA, ensuring efficient operation even under low input voltage conditions. The UA78L12ACD is housed in an 8SOIC package, which is ideal for surface-mount applications, providing a compact and reliable solution for power management needs.

UA78L12ACD Features

• Output Type: Fixed, ensuring a consistent 12V output.
• Input Voltage Range: Up to 27V, providing flexibility in power supply requirements.
• Output Current: 100mA, suitable for low-power applications.
• Dropout Voltage: 1.7V at 40mA, enhancing efficiency at lower input voltages.
• Protection Features: Over current, over temperature, reverse polarity, and short circuit protection ensure robustness and reliability.
• Operating Temperature: 0°C to 125°C, making it suitable for a wide range of environmental conditions.
• Power Supply Rejection Ratio (PSRR): 42dB at 120Hz, minimizing the impact of input voltage variations on the output.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: MSL 1 (Unlimited), allowing for extended storage without degradation.
• Mounting Type: Surface mount, suitable for compact and space-constrained designs.
• Package: Tube, facilitating easy handling and integration into manufacturing processes.

UA78L12ACD Applications

The UA78L12ACD is ideal for applications requiring a stable and reliable 12V power supply with low current consumption. Its compact 8SOIC package and surface-mount design make it suitable for a variety of electronic devices, including:

• Consumer Electronics: Portable devices, audio equipment, and small appliances.
• Industrial Applications: Control systems, sensors, and instrumentation.
• Automotive: Auxiliary power supplies, infotainment systems, and electronic control units.
• Telecommunications: Low-power networking equipment and communication devices.

Conclusion of UA78L12ACD

The UA78L12ACD from Texas Instruments is a versatile and reliable linear voltage regulator, offering a stable 12V 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 and automotive systems. The compact 8SOIC package and surface-mount design ensure ease of integration into modern electronic designs. With its robust protection features and compliance with environmental and regulatory standards, the UA78L12ACD is an excellent choice for engineers seeking a reliable and efficient power management solution.

UA78L12ACD Documents

Download datasheets and manufacturer documentation for UA78L12ACD

Datasheets :

UA78L02-15A      

PCN Obsolescence/ EOL :

EOL 05/Oct/2023      

HTML Datasheet :

UA78L02-15A      

PCN Design/Specification :

Design 25/Feb/2022       UA78Lx Datasheet 22/May/2023