NJM79L06L2A

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PMIC - Voltage Regulators - Linear encompasses a wide range of component types for providing power in high current consumption applications. One type of component integral to modern voltage regulation is the NJM79L06L2A. This component is a three terminal low dropout regulator with an output current of up to 1.5A. The component is typically used in applications like servers, instrumentation and power supplies.

Features

The NJM79L06L2A has several features that set it apart from other voltage regulators. It has a low dropout voltage of 250mV, which allows it to provide a tight control of the output voltage for minimum variation. Its high accuracy of ±1% at full load current does not require any external components for setting the minimum output voltage. The device can also withstand a reverse input voltage between -45V and -0.3V. In addition, its inrush current limiting provides short circuit protection to the power supply and load.

Application Field

Given these features, the NJM79L06L2A is a suitable component for many applications. For one, it is used in servers as a reliable voltage regulator. Its high output current ensures that the power supply can deliver enough power to the server components without any voltage drops during its operation. Secondly, it is integral to the power supplies of many types of instrumentations. It can provide accurate voltage to the load and limit inrush current that could damage the instruments. Thirdly, it is used in other high power demand applications such as LCDs, LED lights, and motor control systems.

Working Principle

The NJM79L06L2A utilizes an adjustable positive voltage regulator circuit to provide a safe and consistent voltage output. It has three main components – an error amplifier, a series pass transistor, and a voltage divider. A feedback voltage is taken from the output voltage and is compared to a reference voltage in the error amplifier. This voltage difference generates an error signal, which adjusts the current passing through the series pass transistor to keep the output voltage at the required level.

The NJM79L06L2A also features a current limiting control system to provide a stable output current. This current limiting control system is a voltage controlled system, where the voltage of the input is compared with the voltage at the collector of the series pass transistor. If the voltage difference is above a predetermined threshold value, the current limiting circuit is activated, limiting the output current and protecting the load from overload.

Conclusion

Overall, the NJM79L06L2A voltage regulator is an ideal component for applications where a high output current and a tight control of the output voltage is required. With its low dropout voltage of 250mV and its high accuracy of ±1%, the component helps to keep the output voltage stable and prevent inrush current. It is typically used in applications such as servers, instrumentation, and power supplies. As the component consists of an error amplifier, a series pass transistor, and a voltage divider, it is able to provide a stable voltage output with a current limiting control system for short circuit protection.The specific data is subject to PDF, and the above content is for reference