The 79L05B is a fixed negative-voltage regulator produced by STMicroelectronics, a leader in the semiconductor industry. This regulator is designed to offer a consistent output voltage of -5V, making it an ideal component for a wide range of electronic applications that require a stable negative voltage supply.

This device is part of the L79 series, which are negative voltage regulators with different fixed output voltages, and the 79L05B specifically provides a -5V regulated output. The regulator can deliver up to 100mA of output current, which suits low power applications. With its thermal overload protection and short circuit protection features, the 79L05B ensures reliability and durability in various operating conditions.

The 79L05B comes in a compact TO-92 package, which is well-suited for space-constrained applications. Its small footprint allows for easy integration into a wide range of electronic circuits without taking up significant board space. The device requires only two external capacitors for proper operation, one at the input and one at the output, simplifying the design and reducing the overall component count.

Key features of the 79L05B voltage regulator include:

• Fixed output voltage of -5V
• Output current up to 100mA
• Thermal overload protection
• Short circuit protection
• Low quiescent current
• TO-92 package for easy implementation

With its robust design and reliable performance, the 79L05B is suited for a variety of applications such as power supplies, instrumentation, and control systems. Its ease of use and protective features make it a go-to solution for designers looking for a negative voltage regulator that can provide a consistent -5V supply with minimal additional components.

STMicroelectronics provides detailed datasheets and technical support to assist in the integration of the 79L05B into your electronic designs, ensuring a smooth design process and successful implementation of the voltage regulator in your projects.