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MCP1811BT-012/TT

MCP1811BT-012/TT Description

The MCP1811BT-012/TT is a linear regulator IC designed by Microchip Technology, featuring a fixed output voltage of 1.2V and capable of delivering up to 150mA of output current. This device is housed in a compact SOT23-3 package, making it suitable for surface-mount applications. Despite its small form factor, the MCP1811BT-012/TT offers robust performance with a maximum input voltage of 5.5V and a dropout voltage of only 0.6V at full load. It also includes an enable control feature and over-current protection, ensuring reliable operation in various electronic systems. Although the product is now obsolete, its technical specifications and features still make it a noteworthy component in the power management category.

MCP1811BT-012/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): 1.2V
• Voltage Dropout (Max): 0.6V @ 150mA
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Current - Quiescent (Iq): 0.5 µA
• PSRR: 50dB (1kHz)
• Mounting Type: Surface Mount
• Control Features: Enable
• Protection Features: Over Current
• Package: Tape & Reel (TR)

MCP1811BT-012/TT Applications

The MCP1811BT-012/TT is ideal for applications requiring a low dropout voltage and low quiescent current. Its fixed 1.2V output makes it suitable for powering low-voltage microcontrollers, sensors, and other sensitive electronic components. The enable feature allows for dynamic control of the regulator, enabling power-saving modes in battery-operated devices. The over-current protection ensures safe operation, making it a reliable choice for consumer electronics, industrial controls, and automotive applications. The compact SOT23-3 package also makes it a space-efficient solution for densely populated PCBs.

Conclusion of MCP1811BT-012/TT

The MCP1811BT-012/TT stands out in the power management category due to its combination of low dropout voltage, low quiescent current, and enable control feature. These attributes make it particularly advantageous in applications where power efficiency and dynamic control are critical. Although it is now obsolete, the MCP1811BT-012/TT remains a valuable reference for engineers designing power supply solutions. Its performance and features offer insights into the capabilities of linear regulators, making it a useful benchmark for comparing newer models in the market.