S-1121B38MC-N2XTFG

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The S-1121B38MC-N2XTFG is a linear voltage regulator designed specifically for PMIC applications. It features an integrated output voltage compensation circuit, an adjustable output voltage range, a low dropout voltage range, and a low quiescent current. It also offers a low output voltage ripple, high output voltage accuracy, and excellent load regulation characteristics.

The S-1121B38MC-N2XTFG is based on an advanced linear integrated circuit and features a load regulation of ±2%. It is designed to provide a regulated output voltage of 3.3V when the input voltage is within a specified range. The output voltage is adjustable from 0.7V to 6V, with a standard step-down voltage switch. The low dropout voltage range of 0.7V ensures a low power dissipation and excellent load regulation characteristics.

The S-1121B38MC-N2XTFG is designed to provide a constant output voltage and current, while regulating the voltage and current of the inputs. It utilizes an advanced Linear Voltage Regulator Module (LVRM) to reduce power dissipation and ensure maximum efficiency. Furthermore, the LVRM helps reduce transient loads, offering usable output power even when the input voltage is lower than the output voltage. The output current can be adjusted up to 500mA.

The working principle of the S-1121B38MC-N2XTFG consists of two stages. First, the input voltage is regulated by a short-circuit current source, which sets the output voltage to a constant value. Next, the output voltage of the linear voltage regulator is generated by a high gain amplifier. The output voltage is then regulated over the input range by varying the gain of the amplifier. The output voltage is compensated by an external compensation network, in order to ensure stable operation and excellent load regulation.

The S-1121B38MC-N2XTFG is ideal for applications that require high efficiency and excellent voltage regulation. It is suitable for a wide range of applications, including audio and video encoding and decoding systems, medical instrumentation, LED lighting and battery powered devices. It can also be used in applications where tight output voltage regulation is required, such as in industrial and automotive equipment.

In conclusion, the S-1121B38MC-N2XTFG is an advanced linear voltage regulator for PMIC applications. It features a low quiescent current, a low dropout voltage range, an adjustable output voltage range, and a low output voltage ripple, ensuring high efficiency and excellent load regulation. With its two-stage AC-DC power conversion design, it is ideal for applications that require high efficiency and excellent voltage regulation.

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