STMicroelectronics L78L33ACDBTR Voltage Regulator

The L78L33ACDBTR is a linear voltage regulator integrated circuit (IC) designed and manufactured by STMicroelectronics, a global semiconductor leader. This component is part of the L78L series, known for providing stable and reliable voltage regulation with a fixed output. It is specifically designed to deliver a constant 3.3V output voltage, which is a common requirement for many electronic circuits and devices.

This voltage regulator can support an input voltage range from 4.75V to 18V, making it versatile for various applications that require a regulated 3.3V supply. The L78L33ACDBTR is capable of supplying an output current up to 100mA, which is suitable for low power devices such as microcontrollers, sensors, and small electronic modules.

The L78L33ACDBTR comes in a surface-mount package, specifically the DPAK (TO-252) form factor, which is widely used in modern electronic assemblies for its compact footprint and ease of integration into printed circuit boards (PCBs). The compact package makes it an excellent choice for space-constrained applications.

One of the key features of this voltage regulator is its thermal overload protection, which ensures that the IC will shut down before the temperature reaches a critical level, thereby protecting itself and the application from potential damage. Additionally, the device includes output short circuit protection, adding an extra layer of safety for connected components.

The L78L33ACDBTR also boasts low dropout voltage, which enhances its efficiency by minimizing the difference between the input and output voltages. This feature is particularly beneficial in battery-powered applications where maximizing the energy usage is crucial.

In summary, the L78L33ACDBTR from STMicroelectronics is a robust, efficient, and reliable solution for applications requiring a fixed 3.3V regulated output. Its protective features, combined with its small package size, make it an excellent choice for designers looking to create compact, safe, and efficient electronic products.