S-1112B20MC-L6FTFG

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The S-1112B20MC-L6FTFG is in a series of linear voltage regulators that is commonly used in PWM (Pulse Width Modulated) LED lighting, consumer electronics and consumer appliances applications. The regulator is designed to provide a regulated 5V output voltage (VOUT) with up to 1.5A current rating. It is a low-dropout, low-noise, low-profile, low quiescent current regulation solution, suitable for a wide range of input voltages and current demands.

The main application field of the S-1112B20MC-L6FTFG is as a constant voltage or constant current source in consumer electronics and consumer appliances. It is used to regulate the output voltage and current of power supplies in a wide variety of applications, including backlighting for TVs, portable computers, and panel applications. It is also suitable for powering circuits operating from battery cells, such as mobile phones, portable navigation devices, and medical equipment.

The working principle of the S-1112B20MC-L6FTFG is based on a simple series voltage regulator design. A pass transistor is used to limit the output voltage of the regulator to just above the reference voltage. An error amplifier is used to compare the output voltage to the reference voltage, and adjust the pass transistor’s base drive accordingly. In order to provide stable output voltage regulation, the feedback loop includes internal compensation components. The regulation circuit also includes an over-temperature protection circuit, which limits the output voltage in the event that the operating temperature of the device exceeds a predetermined temperature.

The key features of the S-1112B20MC-L6FTFG include its low quiescent current, which is typically only 5μA when operating at 5V output. This makes it ideal for use in portable applications where low-power operation is essential. Its low dropout voltage (typically 2V at 1.5A load) makes it suitable for use with a wide range of input voltages and current requirements. Finally, its low noise rating of 30mVp-p (at 1.5A) provides clean output voltage for sensitive applications.

Overall, the S-1112B20MC-L6FTFG is a low-cost, low-noise, low-power, high-accuracy, low-dropout linear voltage regulator. Its key features and easy-to-use design makes it a suitable choice for a wide range of PWM LED lighting, consumer electronics and consumer applications. It is an ideal regulator solution for devices operating from battery cells and for other high-current demands where a low dropout linear regulator is needed.

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