NJM78L09UA Application Field and Working Principle

NJM78L09UA is a linear voltage regulator for a wide range of applications. It provides a constant output voltage of 9V in the presence of input voltage from 3 to 16V DC and is designed for operating current of up to 250mA. It is ideal for use in a variety of portable electronic devices,AC_DC adapters, laptop computers, lighting systems, and general purpose power supplies applications. Additionally, its On/Off enable control can be used to implement software power-down functions.

NJM78L09UA Features and Benefits

The NJM78L09UA has a number of features and benefits that make it suitable for a range of applications. Its wide input voltage of 3 to 16V DC with 9V output voltage and current of 250mA makes it ideal for use with a variety of power sources. Its low dropout voltage of 0.2V ensures that the NJM78L09UA will not be unstable or cause unnecessary power loss. Furthermore, the feature of On/Off enable control allows users to switch if off quickly to save power when not in use. This makes it suitable for use in battery powered or other energy saving devices.

NJM78L09UA Working Principle

NJM78L09UA employs a linear regulator circuit, which incorporates an improved type of control element that provides both exceptional regulation characteristics and low power consumption. This control element performs two major functions—the first being to increase the output voltage tracking accuracy, and the second being to provide improved output voltage regulation. The NJM78L09UA is designed to strictly regulate the output voltage, even when the load current is varying from the no-load condition to the full-load condition. This regulator maintains a very stable output voltage and is essentially unaffected by variations in temperature or input voltage.

NJM78L09UA Benefits in Portable Devices

NJM78L09UA is especially suitable for use in portable devices and other handheld applications. Its low power consumption and high accuracy, in addition to its On/Off enable control function, make it an ideal choice for battery powered or energy saving devices. This regulation circuit is suitable for low power voltage regulation – providing a constant voltage and ensuring that the device remains operational, even in the presence of variable output and input currents. By providing an excellent solution for power conservation, the NJM78L09UA is highly beneficial for portable applications.

Conclusion

In summary, NJM78L09UA is an excellent linear voltage regulator. With its wide input voltage of 3 to 16V DC, it is suitable for a range of applications, including those with AC_DC adapters, laptop computers, lighting systems, and other general purpose power supplies. It also has a low dropout voltage for excellent regulation and low power consumption, as well as On/Off enable control for improved energy savings. In conclusion, NJM78L09UA is an ideal solution for providing a stable voltage output in portable or battery powered applications.