MCP1711T-22I/OT

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MCP1711T-22I/OT is a 3.3V low-dropout linear voltage regulator with a maximum output current of 250 mA, which is designed to operate over a wide input voltage range of 2.7V to 5.5V. It is capable of supplying a fixed output voltage of 3.3V at up to 250 mA and logic-level enable control. It is available in the 6-Lead SOT-223 package size and typically consumes 0.2 mA quiescent current when enabled. This device is highly stable and protected, making it ideal for precision applications that require low noise and load regulation.

Application Field

The MCP1711T-22I/OT voltage regulator is used in a variety of applications, from automotive to networking and computing. It is often chosen for its cost-effective solutions in low current level systems compared to higher current level systems. It can be used for a variety of voltage regulation applications, including power management and circuits. Some of the most popular uses include:

• Regulating power supplies in industrial, automotive and home appliances
• Supplying an intermediate voltage level to processors
• USB bus voltage regulation
• Battery charging
• Portable device power management
• Powering individual LED displays
• 3.3V DCDC converters

Working Principle

The MCP1711T-22I/OT voltage regulator integrates functional features in a single monolithic integrated circuit, including a voltage reference, an error amplifier, a power switch, and control logic. The integrated circuit provides a regulated output voltage from an unregulated input voltage by comparing the reference voltage with that of an input voltage. The error amplifier then amplifies the difference between the reference and the input voltage, which is then used to adjust the power switch. This is how the output voltage is regulated, ensuring that the output voltage remains the same no matter the input voltage.

In addition to providing a regulated output voltage, the MCP1711T-22I/OT also features programmability, allowing for the output voltage to be set as required. This feature is ideal for systems that require constant output voltage in order to ensure a reliable and stable source of power. It also provides protection against overload and overvoltage, to ensure that the voltage regulator is not damaged in the event that it becomes overloaded.

Conclusion

The MCP1711T-22I/OT voltage regulator is a cost-effective solution for low-noise and low-power systems. It is highly stable, and is able to provide a regulated output voltage over a wide input voltage range. With logic enable control and programmable output voltage, it can be used in a variety of applications, including power management and circuit regulation, USB bus regulation, and powering individual LED displays.

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