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MCP1811BT-033/TT

MCP1811BT-033/TT Description

The MCP1811BT-033/TT is a linear voltage regulator designed by Microchip Technology, offering a fixed output voltage of 3.3V with a maximum output current of 15mA0. This regulator is housed in a compact SOT23-3 package, making it suitable for surface mount applications. It features a maximum input voltage of 5.5V and a dropout voltage of 0.6V at 150mA, ensuring efficient operation even at low input-to-output voltage differentials. The regulator also includes an enable control feature and over-current protection, enhancing its reliability and versatility.

MCP1811BT-033/TT Features

• Output Type: Fixed
• Input Voltage Range: Up to 5.5V
• Output Voltage: Fixed at 3.3V
• Output Current: 150mA
• Dropout Voltage: 0.6V at 150mA
• Quiescent Current: As low as 0.5 µA
• Supply Current: Maximum of 110 µA
• Power Supply Rejection Ratio (PSRR): 50dB at 1kHz
• Enable Control: Provides flexibility in system design
• Over-Current Protection: Ensures safe operation under fault conditions
• Moisture Sensitivity Level (MSL): 1 (Unlimited), suitable for various environmental conditions
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Product Status: Obsolete, but still available for legacy systems

MCP1811BT-033/TT Applications

The MCP1811BT-033/TT is ideal for applications requiring a stable 3.3V supply with low quiescent current and efficient dropout voltage performance. Its compact SOT23-3 package makes it suitable for space-constrained designs. Key applications include:

• Embedded Systems: Providing a stable power supply for microcontrollers and other low-power devices.
• Consumer Electronics: Ideal for portable devices where battery life and efficiency are critical.
• Industrial Control: Suitable for powering sensors and low-power actuators in industrial environments.
• Telecommunications: Used in low-power communication modules and IoT devices.

Conclusion of MCP1811BT-033/TT

The MCP1811BT-033/TT from Microchip Technology is a robust linear voltage regulator designed for applications requiring a stable 3.3V supply. Its low dropout voltage and low quiescent current make it highly efficient, even at low input-to-output voltage differentials. The enable control feature and over-current protection enhance its flexibility and reliability. Although now obsolete, the MCP1811BT-033/TT remains a valuable component for legacy systems and applications where its unique features are essential.