AP432SRG-7

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Introduction

The AP432SRG-7 is a Voltage Reference with output voltage of 1.20 to 5.00V adjustable and current limiting of 0.5A. This Voltage Reference is designed specifically and optimally for mobile phones, automotive, and industrial systems. In this report, we shall discuss its application field and working principle.

Application Field of AP432SRG-7

The AP432SRG-7 is a comprehensive Voltage Reference with adjustable output voltage and current limiting. It is ideal for use in mobile phones, automotive, Industrial, networking and communication equipment, and a variety of other applications. Its features make it highly preferred for such applications as it regulates the current and delivers the required voltages.

The AP432SRG-7 Voltage Reference features enable it to offer good noise immunity and system stability. Its output voltage is adjustable from 1.20V to 5.00V and its input voltage range is from 3.0V to 18V. The output current is limited to 0.5A. This Voltage Reference is also temperature compensated, is compact and provides high accuracy.

The adjustable output and current limiting make the AP432SRG-7 Voltage Reference a perfect fit for applications such as mobile phones, automotive systems, Industrial applications, telecommunications and networking equipment, internet of things and back-up power supplies. With its high accuracy and noise immunity, it is suitable for such applications as voltage regulation, voltage monitoring, low-noise power applications and battery charging. Additionally, its adjustable output and current limiting make it suitable to be used in Li-ion battery charging circuits as well.

Working Principle of AP432SRG-7

The AP432SRG-7 Voltage Reference includes an error amplifier and output driver operating at a specific frequency of 8MHz. The error amplifier is configured to sense the input voltage and its output voltage. Once the output voltage has reached the desired voltage, the driver then takes over to provide the required level of output current.

The Voltage Reference features two external resistive dividers used to set the desired output voltage. The circuitry is capable of sensing changes to the system voltage and adjusting the output voltage automatically to maintain the desired level. Since the output current is limited to 0.5A, the Voltage Reference supports both heating and cooling operations.

The AP432SRG-7 Voltage Reference offers temperature compensation, high accuracy, and good noise immunity. It offers designers flexibility in their design as it can be used for applications such as high-precision voltage regulation, stable voltage monitoring, low-noise power applications, and battery charging circuits. It is also physically small, making it well-suited for use in mobile phones, automotive systems, and other space-limited applications.

Conclusion

The AP432SRG-7 Voltage Reference is an ideal Voltage Reference for mobile phones, automotive systems, Industrial applications, telecommunications and networking equipment, internet of things, and back-up power supplies. Its output voltage range of 1.20V to 5.00V and current limiting of 0.5A make it suitable for a variety of applications. Additionally, its adjustable output and current limiting makes it suitable to be used in Li-ion battery charging circuits as well. The Voltage Reference is also temperature compensated, is compact and provides high accuracy.

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