STMicroelectronics L78L09ACZ Voltage Regulator

The L78L09ACZ from STMicroelectronics is a fixed output voltage regulator that is designed to offer a high level of stability and reliability for your electronic circuits. This component is part of the L78L series, which is renowned for providing a simple and efficient solution for voltage regulation requirements in a wide range of applications.

The L78L09ACZ is a three-terminal positive regulator with a fixed output voltage of 9V and can deliver up to 100mA of output current. The device operates within an input voltage range from 11V to 35V, making it versatile for various power supply scenarios. It is especially suitable for applications that require a stable 9V supply from a higher voltage source.

This voltage regulator features thermal overload protection, which ensures that the device remains safe even under conditions of excessive power dissipation. Additionally, it includes short-circuit protection that helps safeguard the regulator and the connected components from damage in the event of a fault. The combination of these protections contributes to the robustness and longevity of the L78L09ACZ.

The L78L09ACZ is housed in a TO-92 package, which is a widely used package for small-signal transistors and similar devices. Its compact size and leaded form factor make it easy to integrate into various circuit designs, including those on breadboards or prototype boards. The regulator is also available in other package options to suit different mounting and space requirements.

Typical applications for the L78L09ACZ include battery-powered devices, consumer electronics, and other small-scale projects that require a steady 9V power supply. Its ease of use, combined with the reliability of STMicroelectronics' manufacturing, makes it a popular choice among hobbyists and professionals alike.

For those looking to implement an efficient power management solution in their electronic projects, the L78L09ACZ is an excellent choice, offering the perfect balance between performance, protection, and practicality.