S-1121B39MC-N2YTFG

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PMIC Electronics is the industry leader in providing innovations in Voltage Regulators, such as the recent S-1121B39MC-N2YTFG Linear Voltage Regulators. With its universal input voltage, the S-1121B39MC-N2YTFG is the ideal solution for applications where high input voltage is a concern.

In addition to its high input voltage capability, the S-1121B39MC-N2YTFG is well-suited for a wide range of applications, from automotive electronics, industrial lighting, telecommunication equipment and medical equipment to consumer products. With its ultra-low quiescent current, the voltage regulator has the ability to maintain a stabile output voltage over a wide temperature range. The ability to offer a highly efficient solution while keeping its cost low is what makes the S-1121B39MC-N2YTFG an increasingly popular choice amongst customers.

The S-1121B39MC-N2YTFG is a monolithic IC voltage regulator specifically designed to withstand the different parameters related to operating voltage and current. It is designed to serve a wide variety of applications having linear voltage regulation ranging from 1.3V to 38V. An adjustable current limit and reverse battery protection are built-into the device. The maximum output current is 800mA.

Figure 1 shows the internal working of the S-1121B39MC-N2YTFG under normal operating mode. The device is configured with a single adjustable voltage regulator composed of an NPN bipolar transistor and a Darlington configuration. The NPN transistor is used to regulate the input voltage supplied to the device, while the Darlington configuration provides the output voltage feedback for the voltage regulator. The device includes an adjustable voltage reference, an operational amplifier, a control circuit and an output pin. The operational amplifier performs the differential amplifier function and provides the precise voltage regulation. The output voltage is compared to the desired reference voltage, and the control circuit adjusts the base current of the NPN transistor to provide the required output voltage. The output pin provides overload protection and current limiting.

The S-1121B39MC-N2YTFG enables users to design efficient and cost-effective power supply systems. Its high input voltage handling capability, wide temperature range support and ultra-low quiescent current consumption, in combination with its efficient output characteristics and adjustable current limit, make it an ideal choice for many applications. The device is suitable for designs requiring a highly efficient solution and low cost, such as automotive, industrial, telecommunication and medical equipment.

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