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MCP1811BT-030/HCA

MCP1811BT-030/HCA Description

The MCP1811BT-030/HCA is a linear voltage regulator designed by Microchip Technology, offering a fixed output voltage of 3V with a maximum input voltage of 5.5V. This regulator is capable of delivering up to 150mA of output current, making it suitable for a variety of low-power applications. The device features a single regulator with a positive output configuration, ensuring stable and reliable power delivery. With a maximum supply current of 110 µA and a quiescent current of 0.5 µA, the MCP1811BT-030/HCA is optimized for low-power consumption, making it ideal for battery-operated devices and portable electronics.

The regulator boasts a low dropout voltage of 0.6V at 150mA, which allows it to maintain regulation even when the input voltage is close to the output voltage. This feature is particularly beneficial in applications where the input voltage may vary or be limited. The MCP1811BT-030/HCA also includes an enable control feature, providing additional flexibility in system design and power management.

MCP1811BT-030/HCA Features

• Output Type: Fixed at 3V, ensuring consistent power supply to connected devices.
• Input Voltage Range: Up to 5.5V, providing compatibility with a wide range of power sources.
• Output Current: Capable of delivering up to 150mA, suitable for low to medium power applications.
• Low Dropout Voltage: 0.6V at 150mA, enabling efficient operation even with minimal input-to-output voltage difference.
• Low Quiescent Current: 0.5 µA, minimizing power consumption in standby or low-power modes.
• Enable Control: Allows for dynamic power management and system control.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability.
• Mounting Type: Surface mount, facilitating compact and efficient PCB design.
• Package: Tape & Reel (TR), suitable for automated assembly processes.
• Compliance: ROHS3 compliant and classified under ECCN EAR99, ensuring environmental and regulatory standards are met.

MCP1811BT-030/HCA Applications

The MCP1811BT-030/HCA is well-suited for applications requiring a stable and efficient power supply with low power consumption. Its low dropout voltage and fixed output make it ideal for use in portable devices, battery-operated systems, and low-power consumer electronics. The enable control feature allows for dynamic power management, making it suitable for applications where power conservation is critical.

Specific use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current ensure efficient power delivery and extended battery life.
• Portable Electronics: The compact surface-mount package and low power consumption make it suitable for space-constrained designs.
• Consumer Electronics: The fixed output voltage and protection features provide a reliable power solution for various consumer applications.

Conclusion of MCP1811BT-030/HCA

The MCP1811BT-030/HCA from Microchip Technology is a versatile and efficient linear voltage regulator designed for low-power applications. Its low dropout voltage, low quiescent current, and enable control feature offer significant advantages over similar models, making it an excellent choice for battery-operated and portable devices. Despite being marked as obsolete, the MCP1811BT-030/HCA remains a reliable and efficient solution for applications requiring a stable 3V output.