NJM79L05UA

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The NJM79L05UA Linear Voltage Regulator is an adjustable, low dropout regulator that offers an output current of up to 0.5A. It can be used in a variety of applications and provides excellent regulation and low power consumption. The NJM79L05UA is a three-terminal adjustable regulator and features a wide input voltage range of 4.5V to 18V. The output voltage can be adjusted up to 1.5V providing stable voltage output over a wide range of current needs.

The NJM79L05UA Linear Voltage Regulator has a wide operating temperature range and can operate from -40°C to 105°C. It also features over temperature protection and ESD protection. The device is available in both the TO-220 and the SOT-223 packages, with an output voltage accuracy of ±3%. The nominal output voltage of the NJM79L05UA is 1.2V and the max output current is 0.5A.

The NJM79L05UA Linear Voltage Regulator is widely used in low to medium power application fields. Such as battery powered systems, micro-controllers, motor control applications, automotive systems, LED driver applications and other power systems. The regulator is also well suited for high temperature, long life, and low noise applications.

The NJM79L05UA Linear Voltage Regulator works by providing a constant voltage output through an internal voltage reference. The internal reference establishes a regulated output voltage via an internal error amplifier and an adjustable resistor divider. The error amplifier compares the output voltage to an internal reference voltage and the feedback loop adjusts the transistor gate bias to achieve a stable output voltage. This establishes a current source feedback loop which provides a high degree of output regulation.

When a load current is drawn from the regulator, the output voltage will drop slightly due to the finite resistance of the regulator which causes a voltage loss. This voltage drop can be minimized using the NJM79L05UA as it has a low dropout voltage rating of 0.4V at 0.5A. A large power MOSFET at the regulator output ensures fast response and low noise. The integrated output transistor of the device limits the output current to 0.5A.

The NJM79L05UA Linear Voltage Regulator is an ideal choice for low to medium power applications that require an adjustable output voltage, excellent stability, and low power consumption. It offers excellent output accuracy, low noise levels, wide operating temperature range, and ESD protection. Its low dropout voltage rating, large MOSFET, and output current limit make it an ideal choice for a variety of medium power application fields.

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