MAX6314US31D2+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Bidirectional
Reset:	Active Low
Reset Timeout:	20 ms Minimum
Voltage - Threshold:	3.08V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-253-4, TO-253AA
Supplier Device Package:	SOT-143-4
Base Part Number:	MAX6314

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<h2>MAX6314US31D2+T Application Field and Working Principle</h2><p>The MAX6314US31D2+T is a precision ultra-low dropout (ULDO) linear regulator with a wide temperature range from -40°C to +85°C. It belongs to PMIC - Supervisors Application Field and is suitable for many applications including battery management and power supply design.</p><p>The MAX6314US31D2+T provides high precision outputs from 1.2V to 3.8V while the device is designed to deliver output current up to 200mA. Its low-dropout voltage of only 25mV makes the device suitable for level shifters, input/output (I/O) supply generation and other point-of-use voltage requirements. The onboard power-saving Shutdown function can further reduce the total power consumption and makes the device ideal for portable/battery-powered applications. </p><p>The key features of the MAX6314US31D2+T include an ultra-low dropout voltage of only 25mV, an adjustable output range from 1.2V to 3.8V, 200mA output current, and a power saving, adjustable Shutdown feature. Along with the device\'s wide input voltage range, the device is well suited for a wide range of applications, such as power management, LED lighting, and battery-powered applications.</p><h3>The Working Principle of MAX6314US31D2+T </h3><p>The MAX6314US31D2+T consists of an input stage, a regulating circuit, and an output stage, voltage reference and other components. It works by comparing the output and reference to control the input current, thereby regulating the output voltage and current. </p><p>The operation begins with the power being supplied to the input of the device. The input voltage is regulated by the input stage, which is composed of low-noise Operational Amplifiers (OP-AMPs). This stage is designed to provide a uniform and low-impedance input to the regulating stage.</p><p>Once the input is regulated, the regulating circuit is triggered to work. It is composed of a voltage reference, an error amplifier, a P-channel MOSFET, and a slow-start circuit. The error amplifier compares the output voltage to the reference and adjusts the current supplied to the output in order to keep the two values equal. The output voltage is thus regulated with high precision.</p><p>The P-channel MOSFET acts as the main switch for the device. It is controlled by the error amplifier and it controls the amount of current going through the output. This current is what regulates the output voltage and provides a precisely regulated voltage output. </p><p>The slow-start circuit helps prevent output overshoot and the spike of inrush currents when the device is turned on. This circuit gradually increases the output current, while the output voltage gradually ramps up. The device also features a power-saving Shutdown feature that shuts down the device when it is not in use, thus reducing total power consumption. </p><p>The MAX6314US31D2+T is well suited for many applications that require high precision, ultra-low dropout, and power saving features. Its wide temperature range and low-dropout voltage make it suitable for level shifters, input/output (I/O) supply generation, and other point-of-use voltage requirements.</p>

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