MAX972CUA+T

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MAX972CUA+T is a linear-comparator integrated circuit (IC) designed for power supply systems. It is designed with a low-side differential amplifier configuration and consists of both a low voltage controlled current switch and a low voltage current sense circuit. The low voltage controlled current switch is used for closed loop control of a DC or AC switching power supply and the low voltage current sense circuit is used for monitoring and control of the current in the switching power supply.

The MAX972CUA+T\'s low voltage controlled current switch is used to control the output voltage of the switching power supply. The differential amplifier configuration ensures that the voltage supplied to the output of the switching power supply is accurate and regulated regardless of the load on the power supply. The output voltage of the switching power supply is set by setting the minimum and maximum conditions of the switch. The low voltage controlled current switch has a fixed voltage gain of 1.5 and a very low bias current of only 3uA.

The MAX972CUA+T\'s low voltage current sense circuit is used to monitor and control the current in the switching power supply. The current sense circuit measures the current through a shunt resistor and compares the voltage drop across it to a predetermined reference voltage. If the voltage drop exceeds the reference voltage, the current sense circuit will disconnect the power supply and protect it from over current conditions. The current sense circuit has a high current range of up to 5A with a very low offset voltage of only 10mV.

Overall, the MAX972CUA+T is an ideal solution for closed loop control of DC and AC switching power supplies. It has a low voltage controlled current switch and low voltage current sense circuit, both of which can be used to accurately monitor and control the output voltage and current of the switching power supply. The low voltage controlled current switch has a fixed voltage gain, very low bias current, and high current range that make it ideal for high performance power supply systems. The low voltage current sense circuit has a very low offset voltage and excellent accuracy that make it ideal for protecting the power supply from over current conditions.

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