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MCP1811BT-030/TT

MCP1811BT-030/TT Description

The MCP1811BT-030/TT is a fixed-output linear regulator designed by Microchip Technology, offering a robust and efficient solution for power management applications. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a compact SOT23-3 package, making it suitable for space-constrained designs. The MCP1811BT-030/TT provides a fixed output voltage of 3V and can deliver up to 150mA of output current, ensuring stable power supply for various electronic devices.

MCP1811BT-030/TT Features

• Output Type: Fixed
• Voltage - Input (Max): 5.5V
• Current - Output: 150mA
• Number of Regulators: 1
• Output Configuration: Positive
• Current - Supply (Max): 110 µA
• Voltage - Output (Min/Fixed): 3V
• Voltage Dropout (Max): 0.6V @ 150mA
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Current - Quiescent (Iq): 0.5 µA
• PSRR: 50dB (1kHz)
• Control Features: Enable
• Protection Features: Over Current
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Base Product Number: MCP1811

The MCP1811BT-030/TT stands out with its low quiescent current of 0.5 µA and a maximum supply current of 110 µA, making it highly efficient and suitable for battery-powered applications. The regulator also features a low dropout voltage of 0.6V at 150mA, ensuring high efficiency even under low input voltage conditions. Additionally, the device offers a Power Supply Rejection Ratio (PSRR) of 50dB at 1kHz, which helps in maintaining a stable output voltage even with varying input conditions.

MCP1811BT-030/TT Applications

The MCP1811BT-030/TT is ideal for a wide range of applications where a stable and efficient power supply is required. Its compact size and low dropout voltage make it suitable for portable electronic devices, such as smartphones, tablets, and wearable technology. The regulator's low quiescent current and overcurrent protection features make it a reliable choice for battery-operated systems, ensuring long battery life and robust performance.

Specific use cases include:

• Portable Electronics: Smartphones, tablets, and other handheld devices that require a stable 3V supply.
• Wearable Technology: Fitness trackers, smartwatches, and other wearable devices that need efficient power management.
• Battery-Powered Systems: Devices that operate on battery power and require low power consumption to extend battery life.
• Industrial Applications: Sensors and small-scale industrial devices that need a reliable and efficient power supply.

Conclusion of MCP1811BT-030/TT

The MCP1811BT-030/TT is a versatile and efficient linear regulator designed for applications requiring a stable 3V output and up to 150mA of current. Its low dropout voltage, low quiescent current, and overcurrent protection features make it a reliable choice for portable and battery-operated devices. Despite being marked as obsolete, the MCP1811BT-030/TT remains a valuable component for designers looking for a compact and efficient power management solution.