AP2111H-4.8TRG1

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AP2111H-4.8TRG1 is an integrated linear voltage regulator integrated circuit (IC) designed and fabricated by AON, a company that specializes in the production of IC device applications. It is highly efficient and has built-in voltage feedback, allowing it to adjust both input and output voltages under different loads and operating conditions. The AP2111H-4.8TRG1 offers a wide range of input voltages from a range of 2V to 24V and an output voltage range from 0.8V to 4.8V. What\'s more, it also provides a voltage regulation of up to ± 0.5 V and current limit of 1.5 A. It features excellent cost performance and a low-dropout voltage of the voltage regulator, allowing it to continue providing a regulated output voltage even when the input voltage is reduced.

Application Field of AP2111H-4.8TRG1

AP2111H-4.8TRG1 is designed to provide both fixed and variable output voltage regulation. With its excellent cost-performance ratio and power efficiency, it is well-suited for a wide range of applications such as automotive, hand-held devices, portable equipment, and powering of integrated circuits. It is also ideal for battery-backed power supply designs, such as those used in automotive and home electronics applications, as it has low quiescent current and good output voltage regulation.

Working Principle of AP2111H-4.8TRG1

The AP2111H-4.8TRG1 is a linear voltage regulator, which consists of a control circuit, an operational amplifier, and an output stage. In operation, the operational amplifier compares the output voltage with the reference voltage and then adjusts the control voltage accordingly. This is then used to drive the output stage, which consists of an N-channel MOSFET, providing the input and output voltage regulation. The output current limit is prevented by the use of a current limit resistor connected to the feedback pin, which in turn controls the output current.

The AP2111H-4.8TRG1 also features built-in overvoltage protection and thermal shutdown protection, giving it excellent safety and reliability. Additionally, its low dropout voltage ensures that it can continue providing a regulated output voltage even when the input voltage is reduced. Its low quiescent current also makes it ideal for battery-powered applications.

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