78L09, Positive Voltage Regulator, 9V Output, 100mA, TO-92

The 78L09 is a three-terminal positive voltage regulator housed in a compact TO-92 package, designed to deliver a steady 9V output with a maximum current of 100mA. This regulator is perfect for low-power designs, offering excellent stability and low noise for sensitive applications. Its integrated thermal and short-circuit protections ensure reliable operation even in challenging conditions.

The device operates efficiently with a dropout voltage of just 1.7V and low quiescent current, making it suitable for battery-powered systems and embedded designs. The 78L09 simplifies power supply design by providing a fixed 9V output without requiring additional external components. Ideal for a variety of applications, including portable electronics, microcontroller-based projects, and low-noise analog circuits.

Key Features:

• Provides a fixed 9V regulated output voltage.
• Output current capability up to 100mA.
• Compact TO-92 package for space-efficient designs.
• Integrated internal thermal and short-circuit protection.
• Dropout voltage of 1.7V at maximum load.
• Ideal for low-power, noise-sensitive applications.