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MCP1811BT-033/7QX

MCP1811BT-033/7QX Description

The MCP1811BT-033/7QX is a high-performance linear voltage regulator designed by Microchip Technology. This regulator is part of the Linear & Switching Voltage Regulators category and is ideal for applications requiring a stable 3.3V output with a maximum current of 150mA. The device is housed in a 4UQFN package, making it suitable for surface-mount applications. It features a fixed output voltage, ensuring consistent performance across a wide range of input voltages up to 5.5V. The regulator is designed with low quiescent current (0.5 µA) and low dropout voltage (0.6V at 150mA), which enhances efficiency and prolongs battery life in portable devices. Additionally, it includes an enable control feature and over-current protection, making it a robust solution for various electronic systems.

MCP1811BT-033/7QX Features

• Fixed Output Voltage: The MCP1811BT-033/7QX provides a stable 3.3V output, ideal for powering sensitive electronics.
• Low Dropout Voltage: With a maximum dropout voltage of 0.6V at 150mA, this regulator ensures high efficiency even at low input voltages.
• Low Quiescent Current: The device operates with a quiescent current of only 0.5 µA, minimizing power consumption and extending battery life.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator, enabling power-saving modes in applications where power management is critical.
• Over-Current Protection: Built-in over-current protection safeguards the regulator and connected circuits from damage due to excessive current.
• High Power Supply Rejection Ratio (PSRR): At 50dB (1kHz), the regulator effectively filters out noise from the power supply, ensuring clean output voltage.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), the device is suitable for a wide range of environmental conditions without the need for special handling.
• Compliance and Status: The MCP1811BT-033/7QX is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

MCP1811BT-033/7QX Applications

The MCP1811BT-033/7QX is well-suited for a variety of applications where a reliable and efficient power supply is essential. Some specific use cases include:

• Portable Devices: Ideal for battery-powered devices such as smartphones, tablets, and wearables, where low power consumption and high efficiency are critical.
• Embedded Systems: Suitable for microcontroller-based systems and IoT devices that require stable power supply and low quiescent current.
• Consumer Electronics: Can be used in a wide range of consumer electronics, including smart home devices and portable audio equipment.
• Industrial Applications: Applicable in industrial control systems and sensors where reliability and low dropout voltage are important.

Conclusion of MCP1811BT-033/7QX

The MCP1811BT-033/7QX stands out as a versatile and efficient linear voltage regulator, offering a combination of low dropout voltage, low quiescent current, and robust protection features. Its fixed 3.3V output and enable control make it an excellent choice for applications requiring stable power supply and dynamic power management. The device's compliance with international regulations and its moisture sensitivity level ensure reliability and ease of use in various environments. Overall, the MCP1811BT-033/7QX is a reliable and efficient solution for powering sensitive electronics in a wide range of applications.