AP431ARG-7 Integrated Circuits (ICs)

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AP431ARG-7 is a voltage reference product from PMIC - Voltage Reference. It is designed for providing high precision voltage output signals with low voltage ripple and noise. This voltage reference can be used for wide variety of applications such as for powering and controlling DC-DC converters, LCD displays, multi-channel regulation, dual output and standby power supply, etc.

AP431ARG-7 is a monolithic bandgap voltage reference. This voltage reference consists of integrated amplifier, bandgap voltage reference and voltage output stage. The chip is designed with correlation between the supply voltage and the output voltage so that the output voltage is independent of the supply voltage. This voltage reference delivers a maximum output voltage of 2.67V with an output current that can reach up to 10mA. The temperature coefficient of the output voltage is very low and it is of 30ppm/ºC only. This voltage reference is capable of providing very good stability and its typical output voltage drift can be as low as 0.40mV/ºC.

This monolithic bandgap voltage reference also offers excellent dynamic operational characteristics. It is capable of providing instantaneous step change of up to 10V in the output voltage with a maximum settling time of 10μs. The voltage output stage consists of an over-temperature centroid loop that helps the bandgap voltage reference to track the temperature changes in the range of -40°C to 125°C. This makes the device very robust and suitable for different application environments. It also offers an ultra-fast response time of 5ns which helps in providing fast transient response and high accuracy.

The major application of AP431ARG-7 is for powering and controlling DC-DC converters. Apart from providing precise and well regulated voltage output, the voltage output stage of this voltage reference offers a maximum vertical overdrive of 15V and a current limit of 10mA. This helps in providing optimal power efficiency and superior voltage regulation to the DC-DC converter. It can also be used for controlling and regulating LCD displays, multi-channel regulation, dual output and standby power supply, etc.

The AP431ARG-7 monolithic bandgap voltage reference is designed with advanced process technology to ensure reliable performance in variable environmental conditions. It is capable of providing guaranteed accuracy for up to 15 years and is also available in small industry standard packages such as SOT-23-6 and SC97-b. This voltage reference also includes protection features such as thermal protection, over-temperature protection and over-voltage protection which make it suitable for various applications.

In conclusion, the AP431ARG-7 voltage reference is a highly reliable and cost-effective voltage reference capable of providing precision voltage output signals with low voltage ripple and noise. It can be used to provide power and control to wide range of DC-DC converters, LCD displays, multi-channel regulation and dual output and standby power supplies. This voltage reference also includes various protection features to enhance its reliability and make it suitable for various applications. It is available in small industry standard packages and also offers guaranteed accuracy for up to 15 years which make it an ideal choice for many applications.

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