The 78L09 from Xinbole is a high-reliability fixed 9V linear voltage regulator IC designed to provide stable and precise DC output for low-power electronic applications. With a regulated 9V output and up to 100mA current capability, it is widely used in analog circuits, sensor modules, embedded systems, and control electronics requiring clean and consistent voltage regulation.
Built using advanced linear regulation technology, the 78L09 ensures low output ripple, excellent load regulation, and stable performance under varying input voltage conditions. It incorporates built-in protection features such as thermal shutdown and current limiting, ensuring safe operation and long-term reliability. Compared to lower voltage regulator series, the 78L09 offers higher output voltage capability, improved system flexibility, and better compatibility with multi-voltage circuit designs.
The SOT89 package provides a compact footprint with efficient thermal dissipation, making it ideal for space-constrained PCB layouts while maintaining stable heat management. This allows easy integration into modern compact electronic devices without compromising performance or reliability.
With its simple design, durability, and consistent output performance, the 78L09 is widely used in regulated power supply applications across industrial, consumer, and embedded electronic systems.
Key Features:
- Fixed 9V output voltage regulator
- Up to 100mA output current capability
- Low ripple and stable output performance
- Built-in thermal shutdown and current limiting
- High reliability linear voltage regulation
- Compact SOT89 package for space-efficient design
Applications:
- Embedded electronic systems
- Sensor and IoT modules
- Analog signal circuits
- Microcontroller power supplies
- Consumer electronics
- Industrial control systems
