85718-111LF

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The 85718-111LF is a type of integrated circuit (IC) designed and manufactured by Analog Devices, a global leader in analog and mixed-signal semiconductor solutions. The IC is a high-precision, low-dropout linear voltage regulator (LDO) that is suitable for a broad range of applications. In this article, we will discuss the application field and working principle of the 85718-111LF.

Applications of 85718-111LF

The 85718-111LF is a high-precision linear voltage regulator (LDO) that can be used in a wide range of applications. It is ideal for digital systems where the input voltage can fluctuate from as low as 0.75V up to 30V. Some of the applications include motors, solenoids, fans, and other mechanisms where a precise voltage is required. In addition, it can be used in mobile phone power modules, portable medical instruments, LCD display modules, and automotive electronics.

Working principle of 85718-111LF

The 85718-111LF is an LDO voltage regulator that provides a regulated output voltage from an unregulated input voltage. It uses an internal error amplifier that compares the output voltage to an internal reference voltage and drives the pass element accordingly. This ensures that the output voltage remains constant, even when the input voltage is fluctuating.

The regulator consists of a low-dropout voltage regulator, an adjustable shunt, an enable signal, and an output voltage divider. The adjustable shunt allows the output voltage to be set to the desired level. The enable signal is used to turn the regulator on or off, and the output voltage divider is used to reduce the output voltage.

The main advantage of using an LDO voltage regulator is that it can provide a continuous output voltage with very low power consumption. This makes it an ideal choice for portable devices and other types of devices where power conservation is important. In addition, the 85718-111LF is designed to provide ultra-low noise output with minimal heat generation.

Conclusion

In conclusion, the 85718-111LF is a high-precision, low-dropout voltage regulator designed by Analog Devices. It can be used in a wide range of applications, including motors, solenoids, fans, and other mechanisms where a precise voltage is required. It is also suitable for mobile phone power modules, portable medical instruments, LCD display modules, and automotive electronics. The main advantage of using the 85718-111LF is that it provides a continuous output voltage with very low power consumption and minimal heat generation.

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