MIC5210-3.6BMM

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The MIC5210-3.6BMM from Microchip is a precision low dropout regulator that is perfect for low voltage circuits. The MIC5210-3.6BMM offers a wide range of features and benefits making it an ideal fit for a variety of application fields ranging from LC filter supplies to battery chargers and many more. This article will provide an overview of the MIC5210-3.6BMM’s application field and its working principle.

Application Field

The MIC5210-3.6BMM is an ultra-low dropout linear regulator that is capable of supplying a constant load current of up to 2.0A with a dropout voltage of 0.31V at maximum rated output current. The device is designed to handle a wide input voltage range of 2.6V to 5.5V, which makes it well suited for battery powered applications. It is also capable of supplying output voltages as low as 1.8V, making it suitable for use in a variety of low voltage applications.

The MIC5210-3.6BMM is particularly well suited for high current applications due to its low dropout voltage. For example, it is able to supply a load current of 1.25A with a dropout voltage of 0.31V, making it ideal for applications such as LCD backlights. Additionally, the device offers very low quiescent current of 220uA, making it suitable for battery-powered applications that require long battery life.

The MIC5210-3.6BMM offers over-temperature protection and a thermal shutdown to help protect the device from damage caused by excessive junction temperatures. Additionally, the device is able to survive overload conditions by automatically restarting after the overload condition has been removed. This makes the device suitable for use in harsh environments where there is potential for short circuit or overload conditions.

Working Principle

The working principle of the MIC5210-3.6BMM is based on the differential voltage feedback architecture. The device is designed to operate as a linear regulator and provide a precise regulated output voltage, regardless of the load current. The output voltage of the device is set by an external resistor divider, while the associated error amplifier compares the regulated output voltage to a 1.24V reference. If any deviation is detected between the desired output voltage and the actual output voltage, the error amplifier will adjust the gate voltage of the pass elements which in turn, regulates the output voltage of the device in order to maintain a constant regulated output voltage.

The MIC5210-3.6BMM offers a wide input voltage range, wide output voltage range and low dropout voltage, making it suitable for a variety of applications. Additionally, the device offers low quiescent current and protection features, making it a perfect choice for battery powered applications that require extended battery life.

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