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MCP1811AT-040/LT

MCP1811AT-040/LT Description

The MCP1811AT-040/LT is a linear voltage regulator designed by Microchip Technology, offering a fixed output voltage of 4V and a maximum output of current 150mA. This regulator is housed in a compact SC70-5 package, making it suitable for surface mount applications. Despite its small size, the MCP1811AT-040/LT delivers robust performance with a maximum input voltage of 5.5V and a dropout voltage of 0.6V at full load. The regulator features a low quiescent current of 0.5 µA and a supply current of up to 110 µA, ensuring high efficiency and minimal power consumption. Additionally, it includes an enable control feature and over-current protection, enhancing its reliability and versatility.

MCP1811AT-040/LT Features

• Output Type: Fixed 4V output voltage, providing stable power supply for various electronic devices.
• Input Voltage Range: Operates with a maximum input voltage of 5.5V, ensuring compatibility with a wide range of power sources.
• Output Current: Delivers up to 150mA of output current, suitable for powering small to medium-sized electronic components.
• Low Dropout Voltage: A maximum dropout voltage of 0.6V at 150mA ensures efficient operation even at low input-to-output voltage differences.
• Low Quiescent Current: With a quiescent current of only 0.5 µA, the MCP1811AT-040/LT minimizes power consumption during standby or low-load conditions.
• Enable Control Feature: Incorporates an enable pin, allowing users to control the regulator's operation and reduce power consumption when not in use.
• Over-Current Protection: Provides built-in over-current protection to safeguard the regulator and connected devices from damage.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the component is not sensitive to moisture, making it suitable for various environmental conditions.
• Mounting Type: Surface mount technology (SMT) ensures easy integration into compact and space-constrained designs.
• Package: Tape & Reel (TR) packaging facilitates automated assembly processes, enhancing manufacturing efficiency.

MCP1811AT-040/LT Applications

The MCP1811AT-040/LT is ideal for a variety of applications where a stable and efficient power supply is required. Its compact size and low power consumption make it particularly suitable for portable devices, consumer electronics, and embedded systems. Specific use cases include:

• Portable Devices: Ideal for powering small electronic devices such as smartphones, tablets, and wearable technology.
• Consumer Electronics: Suitable for applications in home appliances, digital cameras, and other consumer electronics where a reliable power supply is essential.
• Embedded Systems: Provides a stable power source for microcontrollers, sensors, and other components in embedded systems.
• Battery-Powered Applications: The low dropout voltage and low quiescent current make it an excellent choice for battery-powered devices, extending battery life and improving overall efficiency.

Conclusion of MCP1811AT-040/LT

The MCP1811AT-040/LT is a versatile and efficient linear voltage regulator designed for applications requiring a stable 4V output and up to 150mA of current. Its low dropout voltage, low quiescent current, and enable control feature make it an ideal choice for a wide range of electronic devices, particularly those with space constraints and low power consumption requirements. Despite being marked as obsolete, the MCP1811AT-040/LT remains a reliable option for designers seeking a compact and efficient power solution.