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MCP1811AT-018/LT

MCP1811AT-018/LT Description

The MCP1811AT-018/LT is a linear regulator IC designed by Microchip Technology, featuring a fixed output voltage of 1.8V and capable of delivering up to 150mA of output current. This regulator is optimized for low power consumption, with a maximum supply current of 110 µA and a quiescent current (Iq) of just 0.5 µA. It operates within an input voltage range up to 5.5V and has a dropout voltage of 0.6V at 150mA, ensuring efficient performance even at low input voltages.

MCP1811AT-018/LT Features

• Output Type: Fixed, providing a stable 1.8V output.
• Input Voltage Range: Up to 5.5V, making it suitable for a variety of power supply scenarios.
• Output Current: 150mA, sufficient for driving small to medium-sized loads.
• Low Dropout Voltage: 0.6V at 150mA, enhancing efficiency in low voltage applications.
• Low Quiescent Current: 0.5 µA, minimizing power consumption in standby mode.
• Enable Control Feature: Allows for dynamic control of the regulator's operation.
• Over Current Protection: Ensures safe operation by preventing excessive current draw.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), suitable for a wide range of environmental conditions.
• Mounting Type: Surface Mount, ideal for compact and space-constrained designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.
• PSRR: 50dB at 1kHz, providing excellent noise rejection capabilities.

MCP1811AT-018/LT Applications

The MCP1811AT-018/LT is well-suited for applications requiring a reliable and efficient power supply solution. Its low dropout voltage and low quiescent current make it ideal for battery-powered devices and portable electronics where energy efficiency is critical. The enable control feature allows for dynamic power management, making it suitable for systems that require power-saving modes.

Specific use cases include:

• Battery-Powered Devices: Ideal for applications such as handheld devices, wearables, and IoT sensors where battery life is a key consideration.
• Low-Power Systems: Suitable for microcontroller-based systems, embedded devices, and other applications where low power consumption is essential.
• Portable Electronics: Perfect for portable audio devices, e-readers, and other consumer electronics that require a compact and efficient power solution.

Conclusion of MCP1811AT-018/LT

The MCP1811AT-018/LT offers a robust and efficient power management solution with its fixed 1.8V output and ability to deliver up to 150mA. Its low dropout voltage and low quiescent current provide significant advantages in terms of energy efficiency, making it an excellent choice for battery-powered and low-power applications. The enable control feature and over current protection further enhance its versatility and reliability. While the product is now obsolete, it remains a notable example of Microchip Technology's commitment to delivering high-performance power management solutions.