AP432G-13

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The AP432G-13 is a voltage reference component designed to provide stable and accurate output voltages. It is part of the Power Management Integrated Circuit (PMIC) range from Analog Devices and can be used in applications where multiple reference voltages are needed. This component has a wide input voltage range of 4.5 to 40 volts and uses a Band-Gap voltage reference for voltage stabilisation.

The AP432G-13 has three logic-compatible outputs and is capable of operating in both low-side and high-side configurations. The component is able to operate in temperatures between -40 and 125 degrees Celsius and its wide common mode rejection ratio makes it suitable for applications in noisy environments. The component is also able to operate at a power consumption of as low as 120mW, depending on the applied voltage.

The component’s main application is in the automotive industry, where it can be used to provide multiple reference voltages for engine management systems and control circuits. It is also suitable for applications in power management systems, such as voltage tracking, power conversions and overvoltage protection. Additionally, the component can be used as a voltage reference in high-end signal conditioning, audio amplifiers and switched-mode power supplies.

The operating principle of the AP432G-13 is based on a three-terminal voltage reference circuit, which includes a band gap voltage reference, a pair of voltage output regulation transistors and a logic-level transistor for control. The component has an internal 1.24V band gap reference and an adjustable output voltage range from 0.9 to 8.5V. The band gap reference is used to provide an accurate long-term stability as well as excellent transient voltage performance. The adjustment of the output voltage is done with an external potentiometer.

The output regulation transistors provide a constant quiescent current that guarantees low output voltage noise and excellent load regulation. The regulated output is also maintained over a wide temperature range, due to the compensation circuitry implemented by the component. The logic-level control transistor is used to enable the component and can be set to either high or low levels, depending on the requirement.

The AP432G-13 is a low-cost and reliable voltage reference solution for applications that require multiple reference voltages. It has a wide input voltage range and a wide common mode rejection ratio, making it suitable for noisy environments. The component uses a band gap voltage reference for voltage stabilization and it can be adjusted to provide various output voltages from 0.9V to 8.5V. It can be used in the automotive industry, as well as in power management systems, signal conditioning and audio amplifiers. With its low quiescent current and excellent temperature stability, the AP432G-13 is a versatile and reliable voltage reference solution.

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