Microchip Technology

MIC5249-3.3YMM  

Linear & Switching Voltage Regulators

MIC5249-3.3YMM Description

The MIC5249-3.3YMM is a high-performance linear regulator designed for applications requiring a stable 3.3V output voltage with a maximum output current of 300mA. Manufactured by Microchip Technology, this device is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8MSOP surface-mount package. The regulator is designed to operate within an input voltage range up to 6V, ensuring compatibility with a variety of power sources. With a dropout voltage of only 0.6V at the maximum load, the MIC5249-3.3YMM offers efficient power conversion even at low input-to-output differentials.

MIC5249-3.3YMM Features

• Fixed Output Voltage: The MIC5249-3.3YMM provides a stable 3.3V output, making it ideal for applications requiring a precise voltage supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.6V at 300mA, this regulator ensures high efficiency and minimal power loss, especially in low-voltage applications.
• Low Quiescent Current: The device features a low quiescent current of 200 µA, which is crucial for battery-powered applications where power consumption must be minimized.
• High PSRR: The regulator boasts a Power Supply Rejection Ratio (PSRR) of 65dB at 120Hz, effectively filtering out noise from the input power supply to maintain a clean output voltage.
• Control Features: The MIC5249-3.3YMM includes enable and reset control features, allowing for dynamic power management and system reset capabilities.
• Protection Features: The device is equipped with over-current protection, over-temperature protection, and under-voltage lockout (UVLO) to safeguard the regulator and connected components from damage.
• Compliance and Packaging: The regulator is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It is available in a tube package, facilitating easy handling and assembly in manufacturing processes.

MIC5249-3.3YMM Applications

The MIC5249-3.3YMM is well-suited for a variety of applications where a stable and efficient power supply is essential. Key applications include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearable technology where battery life and power efficiency are critical.
• Industrial Equipment: Suitable for industrial control systems, sensors, and instrumentation that require reliable power management.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment where stable power supply and low noise are necessary.
• Automotive Electronics: Applicable in automotive systems such as infotainment units, electronic control units (ECUs), and advanced driver-assistance systems (ADAS) that demand high reliability and efficiency.

Conclusion of MIC5249-3.3YMM

The MIC5249-3.3YMM from Microchip Technology is a robust and efficient linear regulator designed to meet the demanding requirements of modern electronic systems. Its combination of a fixed 3.3V output, low dropout voltage, low quiescent current, and high PSRR makes it an excellent choice for applications where power efficiency and stability are paramount. The inclusion of enable and reset control features, along with comprehensive protection mechanisms, further enhances its versatility and reliability. With its REACH unaffected and RoHS3 compliant status, the MIC5249-3.3YMM not only meets environmental standards but also ensures long-term availability and sustainability in the electronics industry.

MIC5249-3.3YMM Documents

Download datasheets and manufacturer documentation for MIC5249-3.3YMM

DTS :

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PCN :

Process / Product Change Notification (PDF)       Product Change Notification (PDF)