Texas Instruments

UA78L05ACPKG3  

Linear & Switching Voltage Regulators

UA78L05ACPKG3 Description

The UA78L05ACPKG3 from Texas Instruments is a fixed-output linear voltage regulator designed to deliver a stable 5V output with a maximum input voltage of 20V and an output current capability of 100mA. Packaged in a compact SOT89-3 surface-mount form factor, this regulator is ideal for space-constrained applications requiring reliable voltage regulation. It operates over a wide temperature range of 0°C to 125°C, making it suitable for industrial and automotive environments. With a low dropout voltage of 1.7V @ 40mA and excellent PSRR of 49dB (120Hz), it ensures minimal noise and high efficiency in sensitive circuits.

UA78L05ACPKG3 Features

• Fixed 5V Output: Ensures consistent voltage regulation for low-power devices.
• Robust Protection: Includes over-current, over-temperature, reverse polarity, and short-circuit protection for enhanced reliability.
• Low Dropout Voltage: 1.7V @ 40mA maximizes efficiency in battery-powered applications.
• High PSRR: 49dB (120Hz) minimizes ripple and noise in sensitive analog/digital systems.
• Wide Operating Temperature: 0°C to 125°C ensures performance in harsh environments.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.
• Surface-Mount Package (SOT89-3): Optimized for automated assembly and compact PCB designs.

UA78L05ACPKG3 Applications

• Consumer Electronics: Power management for microcontrollers, sensors, and low-power ICs.
• Industrial Systems: Voltage regulation in PLCs, instrumentation, and control modules.
• Automotive Electronics: Stable power supply for infotainment, sensors, and lighting systems.
• Battery-Powered Devices: Efficient voltage conversion in portable gadgets and IoT nodes.
• Embedded Systems: Reliable power for low-current peripherals and logic circuits.

Conclusion of UA78L05ACPKG3

The UA78L05ACPKG3 stands out as a high-performance, cost-effective linear regulator with robust protection features and wide operational flexibility. Its low dropout, high PSRR, and compact form factor make it an excellent choice for applications demanding stable 5V power in constrained spaces. Whether in industrial, automotive, or consumer electronics, this regulator delivers reliable performance under varying conditions, backed by Texas Instruments' quality and compliance with global standards.

UA78L05ACPKG3 Documents

Download datasheets and manufacturer documentation for UA78L05ACPKG3

Datasheets :

UA78L02-15A      

HTML Datasheet :

UA78L02-15A      

PCN Design/Specification :

UA78Lx Datasheet 22/May/2023