MP2117DQ-LF-Z

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MP2117DQ-LF-Z is an integrated switching regulator DC to DC converter with wide input range and wide output voltage range. It has a variety of features that make it ideal for use in portable and industrial applications. The features include high efficiency, small size and low cost. This document will focus on the application field and working principle of the MP2117DQ-LF-Z.

Application Field of MP2117DQ-LF-Z

The MP2117DQ-LF-Z is a high performance DC to DC converter with wide input voltage range and wide output voltage range. It is suitable for use in portable and industrial applications. It is capable of providing an operating temperature range of -40°C to 85°C. It is ideal for use in applications such as point of sale (POS) systems, industrial equipment, medical devices, automotive systems, and consumer electronics.

The MP2117DQ-LF-Z has two output voltage ranges: the “High Voltage Range” and the “Ultra High Voltage Range”. The “High Voltage Range” can provide up to 6V and the “Ultra High Voltage Range” can provide up to 20V. The output voltage can be adjusted from 0.8V to 6V with the help of the adjustable output voltage. The voltage range is designed to suit the output voltage requirements of various types of applications.

The MP2117DQ-LF-Z features low quiescent current and high efficiency. It has a low power dissipation of only 8mW, making it highly efficient. The input voltage range is between 4.5V to 25V and the output voltage is adjustable from 0.8V to 6V. The input and output voltages can be adjusted with the help of a external resistor based voltage divider connected to the ADJ pins. The device is also equipped with a thermal shutdown feature to protect the device from overheating due to prolonged operation in high temperature environments.

Working Principle of MP2117DQ-LF-Z

The MP2117DQ-LF-Z is a low-dropout (LDO) linear switching regulator that is designed to efficiently convert a variable input voltage, such as a battery or an AC adapter, into a regulated output voltage. It uses an inductor, a capacitor, and a MOSFET switch to convert the input voltage into a regulated output voltage. The inductor stores energy when the switch is turned on, and releases it when the switch is turned off, allowing the output voltage to remain constant.

When the input voltage is greater than the output voltage, the switch is turned on. This causes the current flowing through the inductor to increase and the voltage across the inductor to increase. When the voltage across the inductor reaches the output voltage, the switch is turned off and the current flowing through the inductor decreases. This causes the voltage across the inductor to decrease, and the output voltage remains constant. The same principle is used when the input voltage is lower than the output voltage, but the switch is turned off earlier.

The MP2117DQ-LF-Z also features a low quiescent current of only 8uA, which is ideal for applications that require low power dissipation. The device can also provide a low-noise output and is equipped with over-current and short-circuit protection. In addition, the device has a power-good flag that can be used to detect when the output voltage has dropped below a certain threshold.

Conclusion

The MP2117DQ-LF-Z is a high performance DC to DC converter with wide input voltage range and wide output voltage range. It is suitable for use in portable and industrial applications. It is capable of providing an operating temperature range of -40°C to 85°C. The working principle of the device is based on an inductor, a capacitor and a MOSFET switch. It is capable of providing an adjustable output voltage from 0.8V to 6V. The device has a low quiescent current of only 8uA, making it highly efficient, and features over-current and short circuit protection. The MP2117DQ-LF-Z is an ideal solution for applications requiring a low-noise DC to DC converter.

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