NJM79L12A

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The NJM79L12A is a linear voltage regulator IC used in low-dropout (LDO) applications. It is a 3-terminal voltage regulator device that is position and output voltage mode controlled and will regulate positive or negative output voltages. This device provides an extremely low dropout of only 0.2V and features low quiescent current, precision or non-precision output voltage setting, adjustable output current limiting and thermal protection.

The NJM79L12A is a CMOS voltage regulator that offers excellent performance in a wide range of operating conditions. It is designed to operate as either a fixed voltage regulator or as an adjustable voltage regulator depending on the application. It is often used in situations where a slight drop in input voltage would cause the output voltage to be significantly out of specification. In addition, its power-on reset circuitry allows the output voltage to be reset to its nominal value before the supply is turned on.

The NJM79L12A is designed to operate as either a linear or low-dropout (LDO) regulator and is commonly used to provide power for portable consumer electronics and other applications where a reliable, low-voltage, regulated output voltage is required. In linear regulator mode, it follows the input voltage, but provides a regulated output voltage. This is done by a series transistor connected between the input and output which is turned on and off in order to maintain the output voltage at a constant voltage. This can be done by varying the current through the transistor.

As an LDO regulator, the NJM79L12A maintains a constant output voltage independent of the variations in the input voltage. It works by using a series transistor connected between the input and output, but instead of being turned on and off, it is biased so that it is holding the output voltage at a constant voltage regardless of variations in the input voltage. This is done by varying the current through the transistor. This mode is the most efficient type of voltage regulator and is the preferred method for many battery-powered and portable applications.

The NJM79L12A also provides a wide range of features such as adjustable output current limit and thermal protection. The adjustable output current limit is designed to limit the output current to a set level in order to prevent the regulator from failing in the event of an overload. This feature also helps to protect the regulator from short-circuiting or other adverse operating conditions. The thermal protection feature prevents the regulator from operating beyond its maximum ratings and provides protection from overheating.

In addition, the NJM79L12A has very low power consumption, allowing it to be used in battery-operated systems, and its small size and low weight makes it ideal for portable applications. It is also available in a variety of packages and is RoHS compliant, making it suitable for a wide range of applications.

The NJM79L12A is an excellent linear regulator IC that is designed to provide precise, low-voltage and reliable regulated output voltages in a wide range of applications. Its low dropout voltage, low quiescent current, precision or non-precision output voltage setting, adjustable output current limit and thermal protection make it an ideal choice for many applications.

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