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MIC5247-1.8YD5

MIC5247-1.8YD5 Description

The MIC5247-1.8YD5 is a high-performance linear regulator designed for applications requiring low dropout voltage and high efficiency. Manufactured by Micrel Inc., this device is part of the Power Management Integrated Circuits (PMIC) category and is ideal for systems where space and power efficiency are critical. The regulator features a fixed output voltage of 1.8V, making it suitable for modern low-voltage applications. With a maximum input voltage of 6V and a quiescent current of only 150 µA, the MIC5247-1.8YD5 ensures minimal power consumption even during standby conditions.

MIC5247-1.8YD5 Features

• Low Dropout Voltage: The MIC5247-1.8YD5 boasts a maximum dropout voltage of 0.15V at 150mA, which is significantly lower than many competing regulators. This feature ensures high efficiency and minimal power loss, making it ideal for battery-powered devices and other applications where input voltage may be close to the output voltage.
• High Power Supply Rejection Ratio (PSRR): With a PSRR of 50dB at 1kHz, the regulator effectively filters out noise from the input power supply, resulting in a cleaner output voltage. This is particularly beneficial in sensitive analog and digital circuits where noise can degrade performance.
• Control and Protection Features: The regulator includes an enable control feature, allowing for precise control over the output voltage. Additionally, it offers comprehensive protection features such as over-current protection, over-temperature protection, and under-voltage lockout (UVLO). These features safeguard the regulator and connected circuits from potential damage due to abnormal operating conditions.
• Surface Mount Packaging: Available in a surface mount package, the MIC5247-1.8YD5 is designed for easy integration into compact and high-density PCB designs. This packaging option is ideal for modern electronics where space is a premium.
• Active Product Status: As an active product, the MIC5247-1.8YD5 is readily available and supported by Micrel Inc., ensuring long-term availability and reliability for ongoing projects.

MIC5247-1.8YD5 Applications

The MIC5247-1.8YD5 is well-suited for a variety of applications due to its low dropout voltage, high PSRR, and comprehensive protection features. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage and high efficiency make it ideal for portable devices such as smartphones, tablets, and wearable technology where battery life is crucial.
• Low-Voltage Systems: The fixed 1.8V output voltage is perfect for powering low-voltage microcontrollers, sensors, and other digital circuits that require a stable and clean power supply.
• Industrial and Automotive Applications: The robust protection features and high PSRR ensure reliable operation in harsh environments, making it suitable for industrial control systems and automotive electronics.
• Consumer Electronics: The compact surface mount package and low quiescent current make it an excellent choice for consumer electronics where space and power efficiency are key considerations.

Conclusion of MIC5247-1.8YD5

The MIC5247-1.8YD5 stands out as a versatile and efficient linear regulator, offering significant advantages over similar models. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of applications. Whether used in battery-powered devices, low-voltage systems, or industrial applications, the MIC5247-1.8YD5 ensures high performance and reliability. With its surface mount packaging and active product status, designers can confidently integrate this regulator into their projects, knowing they are using a high-quality and well-supported component.