NJM2397F

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NJM2397F is a voltage regulator in Power Management Integrated Circuit (PMIC) family. It belongs to the category of linear voltage regulators, which regulate supply voltages to devices. This unit offers a highly accurate voltage regulation with wide output voltage range and lowoutput noise. It is also designed for low current consumption from either battery or AC Adapter and offers excellent transient response.

The NJM2397F linear voltage regulator works on the principle of controlling the output voltage within the range of available input voltages. This is done by connecting an unregulated AC input voltage supply to a voltage regulator to change the varying AC voltage into a constant, stable DC voltage at the output. It compares the output voltage with the predetermined reference voltage value and adjusts the bias current to the control circuit. This allows the IC to maintain a precise output voltage level and constant supply of current to the load.

The NJM2397F is a low dropout voltage regulator, which is able to regulate output voltages, even with very small input-to-output voltage difference. Therefore, the NJM2397F is ideal for use in applications where supply voltages are especially limited, most notably for battery applications. NJM2397F offers excellent protection when the input voltage range is excessively high, as it can provide protection to downstream devices by shutting off the power supply.

Common applications of NJM2397F include embedded system, regulated power supply, battery charging, and personal computers. For example, the NJM2397F can be used in embedded systems to regulate power supply to the MCU. Its accuracy, current capability and low noise makes it ideal for battery-based application, such as notebooks and PDAs. In regulated power supply applications, the NJM2397F can be used to provide a constant, stable voltage for sensitive semiconductor components. It can also be used in personal computers to provide a steady voltage for the CPU and other components.

In conclusion, NJM2397F is a linear voltage regulator within the Power Management Integrated Circuit (PMIC) family. It works by comparing the output voltage with the predetermined reference voltage value and adjusting the bias current to the control circuit, allowing the IC to maintain a precise output voltage level and constant supply of current to the load. Common applications of NJM2397F include embedded system, regulated power supply, battery charging and personal computers.

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