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MCP1811AT-020/HCA

MCP1811AT-020/HCA Description

The MCP1811AT-020/HCA is a linear voltage regulator designed by Microchip Technology, featuring a fixed output voltage of 2V 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 as low as 0.5 µA. It operates within an input voltage range up to 5.5V and is designed to maintain stability with a maximum dropout voltage of 0.6V at full load. The MCP1811AT-020/HCA is housed in a surface-mount 4UDFN package, making it suitable for compact designs. Despite its small form factor, it includes essential protection features such as over-current, over-temperature, and short-circuit protection, ensuring robust performance in various applications.

MCP1811AT-020/HCA Features

• Fixed Output Voltage: Provides a stable 2V output, ideal for applications requiring a precise voltage supply.
• High Efficiency: Achieves a low dropout voltage of 0.6V at 150mA, ensuring efficient power conversion even at lower input voltages.
• Low Power Consumption: Features a maximum supply current of 110 µA and a quiescent current of 0.5 µA, making it suitable for battery-powered and low-power applications.
• Protection Features: Includes over-current, over-temperature, and short-circuit protection to safeguard the regulator and connected circuits.
• Enable Control: Offers an enable pin for power control, allowing users to turn the regulator on and off as needed.
• ROHS3 Compliant: Meets environmental standards, ensuring compliance with regulatory requirements.
• Moisture Sensitivity Level 1: Suitable for unlimited storage and handling, reducing the risk of moisture-related damage.
• Surface Mount Package: The 4UDFN package is ideal for space-constrained designs, facilitating integration into compact electronic systems.

MCP1811AT-020/HCA Applications

The MCP1811AT-020/HCA is well-suited for a variety of applications where a reliable, low-power, and compact voltage regulator is required. Its fixed 2V output and low dropout voltage make it ideal for:

• Battery-Powered Devices: Ideal for portable electronics where efficient power management is crucial.
• Low-Power Systems: Suitable for applications that require minimal power consumption, such as IoT devices and wearables.
• Embedded Systems: Can be integrated into various embedded systems where a stable voltage supply is essential.
• Consumer Electronics: Applicable in devices that need a reliable and compact power solution.

Conclusion of MCP1811AT-020/HCA

The MCP1811AT-020/HCA is a versatile and efficient linear voltage regulator that offers a balance of performance and power efficiency. Its low dropout voltage, low quiescent current, and comprehensive protection features make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the MCP1811AT-020/HCA remains a valuable component for designers seeking a compact, low-power solution. Its surface-mount package and enable control feature further enhance its flexibility and ease of integration into modern electronic designs.