MAX8869EUE18+T

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MAX8869EUE18+T is a low dropout linear voltage regulator designed using a bipolar process which allows a current up to 8A and an output voltage up to 21V. It is an ultra-low quiescent current regulator optimized for battery-powered applications. With a typical shutdown current of only 0.3uA, this device is low-power and power-saving. The MAX8869EUE18+T features an enhanced output voltage accuracy, requiring no external output capacitor for stabilization.
The device operates on a wide range of case temperatures, from -40ºC to +125ºC. Moreover, it\'s equipped with over temperature protection and reverse current protection which renders the device an ideal solution for hot environments, representing a significant improvement in terms of device longevity. In addition, this device offers precision output accuracy, with a nominal voltage tolerance of ±0.3%, ensuring an accurate output voltage. The device also offers an adjustable version which allows users to set any output voltage between 0.8V and 20V.
The MAX8869EUE18+T can be used in many applications fields such as power management in consumer electronics, automotive, industrial and medical devices, among others. It offers a precise output voltage for a wide range of operating conditions, including low current and heavy load changes. The device is also suitable for consumer and industrial applications, providing low ripple, low noise, and precise output voltage over temperature.
Working Principle
The MAX8869EUE18+T provides an output voltage which is equal to a reference voltage minus the voltage dropped by a pass transistor. This transistor is in the form of a PNP transistor. The output voltage is then compared with the input voltage, and a feedback loop is used to maintain a constant voltage output and compensate for changes in load current. The output voltage is set by a resistor network. This network also provides a constant current source to biasing of the pass transistor, as well as to the gate of the pass transistor, which in turn controls the magnitude of the output voltage. In this way, the MAX8869EUE18+T is able to maintain a constant output voltage over a wide range of input voltages and load currents.

The MAX8869EUE18+T is a low dropout linear voltage regulator designed using a bipolar process which allows a current up to 8A and an output voltage up to 21V. It is an ultra-low quiescent current regulator optimized for battery-powered applications. With a typical shutdown current of only 0.3uA, this device is low-power and power-saving. The MAX8869EUE18+T features an enhanced output voltage accuracy, requiring no external output capacitor for stabilization, and it can operate over a wide range of case temperatures, from -40ºC to +125ºC. Furthermore, the device is equipped with over temperature protection and reverse current protection, offering precision output accuracy, plus an adjustable version allowing users to set any output voltage between 0.8V and 20V.

The MAX8869EUE18+T can be applied in many applications fields. It is ideal for power management and battery-powered applications, such as consumer electronics, automotive, industrial and medical devices. The device provides a precise output voltage for a wide range of operating conditions, featuring low ripple, low noise, and precise output voltage over temperature.

In summary, the MAX8869EUE18+T is an ultra-low quiescent current, low dropout linear voltage regulator which provides an output voltage in the range of 0.8V to 20V and a current up to 8A. It features a wide operating temperature from -40°C to +125°C, as well as over temperature protection, reverse current protection and adjustable versions. It is suitable for a wide range of applications fields such as consumer electronics, automotive, industrial and medical devices and it offers a precise output voltage for a wide range of operating conditions.

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