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MIC5321-MFYML

MIC5321-MFYML Description

The MIC5321-MFYML is a dual, high-performance linear voltage regulator designed by Micrel Inc. It is part of the Power Management Integrated Circuits (PMIC) category and is ideal for applications requiring reliable and efficient power management. This regulator features a fixed output voltage configuration, providing two independent output voltages of 1.5V and 2.8V. It is designed to operate with a maximum input voltage of 5.5V and can deliver up to 150mA on each of its two regulators. The MIC5321-MFYML is known for its low dropout voltage of 0.1V at 150mA, ensuring high efficiency even under low input-to-output voltage differentials. With a quiescent current of only 190 µA, it is suitable for low-power applications. The regulator also features a high power supply rejection ratio (PSRR) ranging from 75dB to 45dB across frequencies from 1kHz to 20kHz, which helps in minimizing noise and ripple in the output voltage.

MIC5321-MFYML Features

• Output Type: Fixed
• Voltage - Input (Max): 5.5V
• Current - Output: 150mA per regulator
• Number of Regulators: 2
• Output Configuration: Positive
• Voltage Dropout (Max): 0.1V @ 150mA per regulator
• Current - Quiescent (Iq): 190 µA
• PSRR: 75dB to 45dB (1kHz to 20kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Mounting Type: Surface Mount
• Package: Bulk
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• Product Status: Active
• REACH Status: Vendor Undefined
• RoHS Status: Not applicable
• HTSUS: 8542.39.0001
• ECCN: EAR99

MIC5321-MFYML Applications

The MIC5321-MFYML is well-suited for a variety of applications where dual voltage regulation and high performance are required. Its low dropout voltage and high PSRR make it ideal for use in battery-powered devices, portable electronics, and other applications where input voltage levels can vary significantly. The enable control feature allows for dynamic power management, enabling the regulator to be turned on or off as needed, which is beneficial in systems requiring power sequencing or power-saving modes. The over-current and over-temperature protection features ensure robustness and reliability in demanding operating conditions. The surface-mount package and moisture sensitivity level of 3 make it suitable for automated assembly processes and applications in humid environments.

Conclusion of MIC5321-MFYML

The MIC5321-MFYML from Micrel Inc. stands out as a high-performance dual linear voltage regulator, offering significant advantages over similar models. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for applications requiring efficient power management and minimal noise. The inclusion of enable control and protection features further enhances its versatility and reliability. Whether used in portable devices, battery-powered systems, or other demanding applications, the MIC5321-MFYML provides a robust and efficient solution for dual voltage regulation needs.