S-1112B18MC-L6DTFU Integrated Circuits (ICs)

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Linear voltage regulators, also referred to as linear regulators, play an important role in stabilized power supplies. The S-1112B18MC-L6DTFU, a device of the series 1112B, is a low dropout linear regulator with an output current of 1.8A and a maximum output voltage of 6.0V. It is widely used in the field of consumer electronics.

The S-1112B18MC-L6DTFU is a voltage regulator with a wide input voltage range. It operates with input voltages from 1.2V to 18V and output voltages from 3.0V to 6.0V, providing a wide flexibility of use. It is frequently used in applications such as cell phones, tablets, amplifier drives and other consumer and industrial electronics.

The S-1112B18MC-L6DTFU provides fast transient response and an incredible low dropout voltage of 0.5V, which is especially beneficial for applications requiring low power dissipation, such as battery-powered devices and digital/analog circuits.

Unlike switching regulators, linear voltage regulators use linear idea to stabilize output voltage. There are two stages in the working principle of linear voltage regulators.

First, a differential amplifier amplifies the difference between the input voltage and the output voltage. Then, this amplified voltage is used to control the power transistor.

The power transistor then regulates the output voltage, by either sourcing or sinking current. This is why the power transistor is also referred to as a pass element.

The differential amplifier and power transistor of the S-1112B18MC-L6DTFU are integrated into a single package, making it highly efficient and reliable. It also features an integrated over current protection circuit and thermal shutdown protection to prevent against possible damage to the device.

The S-1112B18MC-L6DTFU is highly efficient, with quiescent current of up to 40 mA. It can support a maximum of 1.8A output current, maintaining its excellent load regulation, output current accuracy and line regulation even at low load currents.

The S-1112B18MC-L6DTFU also has Low Quiescent Current (LQC) and Dropout Voltage (DOV). The LQC is the amount of current flowing out of the regulator before it begins to regulate the output voltage. The DOV is the voltage difference between the input voltage and the output voltage when the regulator is in regulation mode. The S-1112B18MC-L6DTFU has LQCs as low as 3 uA and DOVs as low as 0.5V, making it an excellent choice for low power applications.

Overall, the S-1112B18MC-L6DTFU is an excellent choice for applications that require a highly efficient, reliable and low-cost voltage regulator with excellent current handling capability and low dropout voltage. With its wide input voltage range, fast transient response and integrated circuit protection, the S-1112B18MC-L6DTFU is a great choice for consumer and industrial applications.

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