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MCP1811AT-030/TT

MCP1811AT-030/TT Description

The MCP1811AT-030/TT is a linear regulator IC designed by Microchip Technology, offering a fixed output voltage of 3V with a maximum output current of150mA. This device is housed in a compact SOT23-3 package, making it suitable for surface mount applications. The regulator is designed to operate with an input voltage range up to 5.5V, providing a maximum dropout voltage of 0.6V at 150mA. This ensures efficient power delivery even under varying load conditions. The MCP1811AT-030/TT also features low quiescent current (0.5 µA) and low supply current (110 µA), making it an energy-efficient solution for battery-powered devices. Additionally, it includes an enable control feature and over-current protection, enhancing its reliability and versatility.

MCP1811AT-030/TT Features

• Fixed Output Voltage: 3V, ensuring stable power supply for sensitive electronic components.
• High Efficiency: With a maximum dropout voltage of 0.6V at 150mA, it maintains high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: 0.5 µA, which is crucial for extending battery life in portable devices.
• Low Supply Current: 110 µA, contributing to overall power savings.
• Enable Control: Allows for dynamic control of the regulator, enabling power-saving modes.
• Over-Current Protection: Ensures safe operation and protects the circuit from damage.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for a wide range of environments.
• Surface Mount Packaging: The SOT23-3 package is ideal for compact and space-constrained designs.
• High PSRR: 50dB at 1kHz, providing excellent noise rejection and clean power output.

MCP1811AT-030/TT Applications

The MCP1811AT-030/TT is well-suited for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and low quiescent current make it particularly ideal for battery-powered devices, such as:

• Portable Electronics: Smartphones, tablets, and other handheld devices that require efficient power management.
• Wearable Devices: Fitness trackers, smartwatches, and health monitoring devices that benefit from extended battery life.
• IoT Devices: Sensors and actuators in IoT applications where power efficiency and reliability are paramount.
• Medical Devices: Portable medical devices that require stable power supply and low power consumption.
• Industrial Applications: Low-power industrial sensors and controllers that operate in varying environmental conditions.

Conclusion of MCP1811AT-030/TT

The MCP1811AT-030/TT from Microchip Technology is a robust and efficient linear regulator designed for applications that demand stable power supply and low power consumption. Its unique features, such as low dropout voltage, low quiescent current, and over-current protection, make it a reliable choice for a wide range of electronic devices. Despite being marked as obsolete, the MCP1811AT-030/TT remains a valuable component for designers seeking a compact, efficient, and reliable power management solution.