LM340K-15/NOPB

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The LM340K-15/NOPB is a linear voltage regulator that belongs to a line of power management integrated circuits (PMIC) designed and produced by Texas Instruments. It is designed to provide a regulated DC output voltage of +15 V with a programmable output current of up to 1.0 A. This PMIC is used in a variety of applications, such as providing a regulated source of power for microprocessors, MCUs and other components, as well as regulating output voltages in medical and automotive applications. The device is designed to offer excellent temperature stability and low levels of noise, making it an ideal choice when reliable power sources are required.

The LM340K-15/NOPB is a three-terminal dropout, positive adjustable voltage regulator. It has a single input voltage, VIN, with a range between 12 to 25 V. Its output voltage is adjustable with a potentiometer, making it versatile for different user requirements. The output current is also adjustable and can be set to up to 1.0 A. The typical dropout voltage of the device at full load is approximately 0.9 V, offering a compact and efficient solution for powering and regulating electrical circuits. The device is designed and rated to operate over a temperature range of -40°C to 85°C, making it ideal for use in a wide range of applications.

The working principle of the LM340K-15/NOPB is based on the concept of voltage feedback. It has an internal voltage reference that monitors and compares the input voltage to the reference voltage. When the input voltage falls below the reference voltage, the regulator will turn on and increase the output voltage to maintain the reference voltage. This ensures that the output voltage remains steady and regulated at all times, even when the input voltage varies within the specified range. It also provides protection against short circuits and overloads.

The LM340K-15/NOPB is an ideal voltage regulator for those applications that require a cost-effective and reliable solution. Its adjustable output voltage and current make it the perfect choice for a variety of uses. Additionally, its temperature stability, wide input range, and low dropout voltage make it the perfect choice for microprocessors, MCUs, and other components that require a steady, regulated output voltage.

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