KA431LZTF

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The KA431LZTF is a three-terminal adjustable output voltage regulator which is classified as a PMIC - Voltage Reference. It is specifically designed to provide 5V and 3.3V output voltage with low noise and high accuracy. The three-terminal of the KA431LZTF is the reference terminal, the error amplifier output terminal, and the output terminal.

The reference terminal is used to set the output voltage. It provides a reference voltage that is set by the manufacturer. A resistor divider connected to the reference terminal generates a voltage which is proportional to the output voltage. This voltage then drives the error amplifier, which can be adjusted by an external resistor divider to produce a voltage proportional to the error.

The error amplifier sets the gain of the output voltage. It compares the output feedback voltage to the reference voltage and produces a voltage proportional to the error. This voltage is then compared to the voltage set by the resistor divider to determine the output voltage.

The output terminal of the KA431LZTF is used to supply the output voltage. It is connected to the error amplifier which is set by the external resistor divider. The error amplifier then drives the output voltage in response to changes in the reference voltage.

The KA431LZTF is a precision voltage regulator with ultra-low noise performance and high accuracy. It is designed with a low overall input voltage range and a low temperature coefficient. This combination of features makes it ideal for a wide range of applications, such as in mobile phones, MP3 players, and other consumer electronics. It has a low dropout voltage and current regulation that helps reduce power consumption.

In summary, the KA431LZTF is a PMIC – Voltage Reference designed to provide precision output voltage with low noise and high accuracy. Its three-terminals include a reference terminal, an error amplifier output terminal, and an output terminal. It is ideal for a variety of applications, such as in mobile phones and MP3 players, and provides low dropout voltage and current regulation to help reduce power consumption.

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