NJM79L18UATE1

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Configuration:	Negative
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	-40V
Voltage - Output (Min/Fixed):	-18V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	100mA
Current - Quiescent (Iq):	6.5mA
PSRR:	60dB (120Hz)
Control Features:	--
Protection Features:	Over Temperature, Short Circuit
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	TO-243AA
Supplier Device Package:	SOT-89-3

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Introduction to the NJM79L18UATE1 Linear Voltage Regulator

The NJM79L18UATE1 linear voltage regulator is a highly efficient and cost-effective alternative to the traditional alternatives. This device is designed for a wide range of applications and can be used to produce both positive and negative voltage regulation in a single package.

Features of the NJM79L18UATE1 Linear Voltage Regulator

The NJM79L18UATE1 linear voltage regulator is a three-terminal device with an output voltage of 1.8V. The device has protection from current overload and excessive input voltage, and it is immune to output short-circuit protection. This device also features a low on-resistance of approximately 0.6Ω and a maximum thermal shutdown temperature of 150°C. Additionally, this device has a frequency domain noise reduction circuit, which is capable of reducing EMI noise.

Applications of the NJM79L18UATE1 Linear Voltage Regulator

The NJM79L18UATE1 linear voltage regulator has several potential applications, including portable electronics, LCD and audio systems, battery-powered systems, handheld device power supplies, and automotive power systems.

Working Principle of the NJM79L18UATE1 Linear Voltage Regulator

The NJM79L18UATE1 linear voltage regulator works by self-adjusting the output voltage to maintain constant voltage under changing load conditions. This is achieved via its built-in error amplifier, which constantly compares the feedback voltage from the output stage with a reference voltage from the internal voltage reference. When output voltage deviates from the required voltage, the error amplifier detects the difference and supplies a controlling signal to the output control circuit. The output control circuit then adjusts the output voltage to reach the predetermined voltage levels. The NJM79L18UATE1 linear voltage regulator is also equipped with a compensation pin, which is used to adjust the stability of the regulator when the voltage and load conditions change. The compensation pin also plays a role in setting the corner frequency and proportioning the loop gain.

Conclusion

The NJM79L18UATE1 linear voltage regulator is a highly efficient and cost-effective solution for a wide range of applications. This device is capable of providing a stable output voltage under varying load conditions, and it is equipped with a variety of features such as low on-resistance and noise reduction circuits for superior performance. Additionally, this device has several potential applications, including portable electronics, LCD and audio systems, battery-powered systems, handheld device power supplies, and automotive power systems.

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