MCP1791-3002E/ET

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MCP1791 is a family of voltage regulators used in a variety of applications. It is a low-dropout linear regulator that offers both current-limited and short-circuit protection. The linear regulator operates by controlling the output voltage with the operational amplifier. The operational amplifier is configured with the gain to control the output voltage.

It is capable of supplying up to 300 mA of output current and has a wide range of input/output voltage regulations with a high accuracy range of ±0.75%. It has an adjustable error or compensation flag with hysteresis in both rising and falling conditions. It also has a shutdown mode that allows the system to power down if necessary.

The MCP1791 is designed to reduce the typical stress caused by current fluctuations in the system. It provides a constant current to the load and automatically adjusts the duty cycle of the output voltage in order to maintain a constant output voltage. The output voltage is controlled by the error amplifier which compares the feedback voltage at the REF pin with the reference voltage at the ADJUST pin.

The MCP1791 is available in a wide range of packages from a small 5-lead SOT23 to an 8-lead SOIC. It is a low drop-out regulator, meaning the input voltage can be up to 6V lower than the output voltage. This makes it an ideal choice for systems that require a low drop-out voltage regulator.

The MCP1791 has a low power consumption compared to many other voltage regulators. It requires less than 5 mA current when running with no load, and is designed to operate with a bias current of less than 130 μA. It also has a wide range of temperature operating ranges, from 0°C to +85°C without derating.

Overall, the MCP1791 is a high performance linear regulator with low power consumption and tight regulation accuracy, making it a great choice for applications that require a high accuracy voltage regulator. It is a cost-effective solution and is widely used in automotive, industrial, and consumer applications.

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