SC418ULTRT Integrated Circuits (ICs)

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The SC418ULTRT is a linear plus switching voltage regulator that is used to convert an alternating current (AC) voltage input into a direct current (DC) voltage output of user-specified voltage values. Voltage regulation is the process of controlling the output voltage value to stay within the specified range when the input voltage changes to varying levels. The SC418ULTRT is designed to handle input voltages up to 25 volts, and has a programmable output voltage range of 2.5V to 9.5V. The device can be used to provide a stable and regulated supply current that can be adjusted to meet the power requirements of the application.The SC418ULTRT includes two built-in components: a linear regulator and a switching regulator. The linear regulator is responsible for supplying low noise, low ripple, and low harmonic distortion, so that high-performance applications can be achieved. With respect to the switching regulator, it helps to reduce the power consumption, size, and complexity of the voltage regulation within the circuit.The linear regulator is connected to the power supply and adjusts its output voltage depending on the needs of the application. When the output load is heavy and needs more current, the linear regulator automatically increases its voltage output to provide the required amount of current. When the output load is reduced, the linear regulator drops its output voltage accordingly.The switching regulator is also connected to the power supply and is responsible for maintaining a constant voltage output regardless of its input voltage conditions. This is done by utilizing the pulse-width modulation technique to vary the widths of the on and off pulses of the output signal. In addition, the switching regulator has a built-in current limit protection that prevents overcharging of the output voltage.The SC418ULTRT includes an integrated temperature sensor feature that monitors the temperature of the output voltage and provides an adjustable thermal limit feature that shuts down the system if the temperature exceeds its limit. This feature is beneficial in ensuring that the system is not damaged or malfunctioning due to high temperatures.The SC418ULTRT is designed to be a cost-effective and flexible solution for voltage regulation. It is ideal for a wide range of applications, including automotive, consumer electronics, computer, industrial, and telecom applications. Its wide input voltage range, adjustable thermal limit features, and integrated current limit protection capabilities make it a reliable and efficient voltage regulator.

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