Texas Instruments

UA78L12ACPKG3  

Linear & Switching Voltage Regulators

UA78L12ACPKG3 Description

The UA78L12ACPKG3 from Texas Instruments is a fixed-output linear voltage regulator designed to deliver a stable 12V output with a maximum current of 100mA. Housed in a compact SOT89-3 surface-mount package, this regulator is ideal for space-constrained applications. It operates over a wide input voltage range (up to 27V) and features a low dropout voltage of 1.7V @ 40mA, ensuring efficient performance even with marginal input-headroom conditions. With an operating temperature range of 0°C to 125°C, it is suitable for industrial and automotive environments. The device complies with ROHS3 and REACH standards, making it environmentally friendly.

UA78L12ACPKG3 Features

• Fixed 12V Output: Ensures consistent voltage regulation for precision applications.
• High PSRR (42dB @ 120Hz): Minimizes noise and ripple, enhancing signal integrity.
• Robust Protection: Includes over-current, over-temperature, reverse polarity, and short-circuit protection for enhanced reliability.
• Low Dropout Voltage: Optimizes efficiency in low-input-voltage scenarios.
• Wide Operating Temperature Range (0°C to 125°C): Suitable for harsh environments.
• Surface-Mount (SOT89-3) Package: Ideal for compact PCB designs.
• RoHS3 & REACH Compliant: Meets stringent environmental standards.

UA78L12ACPKG3 Applications

This regulator is particularly suited for:

• Industrial Control Systems: Where stable voltage is critical for sensors and microcontrollers.
• Automotive Electronics: Such as infotainment systems and dashboard controls, thanks to its wide temperature tolerance.
• Portable Devices: Battery-powered equipment requiring efficient voltage conversion.
• Consumer Electronics: Including audio amplifiers and small displays.
• Embedded Systems: Where space and reliability are paramount.

Conclusion of UA78L12ACPKG3

The UA78L12ACPKG3 stands out as a reliable, compact, and efficient linear voltage regulator, offering robust protection and high noise rejection. Its wide input range, low dropout, and industrial-grade durability make it a superior choice for demanding applications. Whether in automotive, industrial, or consumer electronics, this regulator ensures stable performance with minimal external components, reducing design complexity and cost. Texas Instruments' reputation for quality further solidifies its position as a top-tier solution for low-power voltage regulation.

UA78L12ACPKG3 Documents

Download datasheets and manufacturer documentation for UA78L12ACPKG3

Datasheets :

UA78L02-15A      

HTML Datasheet :

UA78L02-15A      

PCN Design/Specification :

UA78Lx Datasheet 22/May/2023