MIC9131YM-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Controller, Telecom
Voltage - Input:	9 V ~ 18 V
Number of Outputs:	1
Voltage - Output:	4.7 V ~ 5 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	MIC9131

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Introduction

The MIC9131YM-TR is a special purpose voltage regulator from the Power Management Integrated Circuit (PMIC) family of products. It is designed to provide a stable power output for a variety of electronic devices. This integrated circuit is capable of handling high input voltages and delivering output voltages of up to 5 volts. This makes it ideal for applications such as providing voltages for digital circuits, providing intermediate conversion voltages, and supplying various operating voltages to digital downstream circuits.

Product Overview

The MIC9131YM-TR is a special purpose, highly efficient, low-current voltage regulator. It is designed to provide a reliable output voltage, even in the presence of high input voltages. Its highly efficient design allows it to deliver up to 5V of power while consuming only 0.24 mA of current. Its low-noise operation ensures that it will not interfere with digital signal lines, allowing it to be used in critical signal conditioning applications.The MIC9131YM-TR has a wide operating temperature range, allowing it to be used in many different applications. Its thermal shutdown and current-limiting features ensure that it will not overheat and damage sensitive circuits. Additionally, its over-voltage lockout feature prevents the output voltage from exceeding a certain limit, which can help to protect downstream components.

Application Field

The MIC9131YM-TR is an ideal solution for providing regulated power to a variety of electronic devices. Its high input voltage tolerance and output voltage of up to 5V makes it suitable for applications such as providing power to digital boards, intermediate voltage conversion, and downstream circuits. In addition, its wide operating temperature range and low-noise operation allows it to be used in critical signal conditioning applications, such as powering optical or medical devices.The MIC9131YM-TR is also suitable for automotive applications, due to its wide range of temperature support and its ability to withstand high input voltages. The MIC9131YM-TR has also been specifically designed with battery-powered applications in mind, as its current-limiting and thermal shutdown features are designed to protect sensitive circuits by preventing damage due to over-voltage and over-temperature conditions.

Working Principle

The MIC9131YM-TR is a specialized voltage regulator that uses a step-down switching topology to produce a regulated power output. It operates on the principle of switching a large inductor on and off at a high frequency to provide the desired output voltage.The MIC9131YM-TR uses three main components to regulate its output voltage: a power MOSFET, a capacitor, and an inductor. When the MOSFET is turned on, it pulls current from the input voltage source, which passes through the inductor. This causes the inductor to become energized, creating an increasing magnetic field and inducing a voltage in the capacitor. Once the voltage in the capacitor has reached the level of the output voltage, the MOSFET is switched off, allowing the capacitor to discharge its energy into the output. This cycle is repeated over and over again, allowing the output voltage to remain constant.

Conclusion

The MIC9131YM-TR is a versatile special purpose voltage regulator designed to provide a stable voltage output for a variety of applications. Its high input voltage tolerance and output voltage of up to 5V makes it an excellent choice for powering digital boards, intermediate voltage conversion, and downstream circuits. Additionally, its wide operating temperature range and low-noise operation ensures that it will not interrupt or interfere with critical signal lines in sensitive applications. With its current-limiting and thermal shutdown features, the MIC9131YM-TR is designed to provide the utmost protection for your circuit against the danger of overvoltage and over-temperature conditions.

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