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MIC5255-2.85BD5

MIC5255-2.85BD5 Description

The MIC5255-2.85BD5 is a high-performance linear voltage regulator designed by Micrel Inc., featuring a fixed output voltage of 2.85V and a maximum input voltage of 6V. This regulator is capable of delivering up to 150mA of output current, making it suitable for a wide range of low-power applications. a With dropout voltage of only 0.25V at full load, the MIC5255-2.85BD5 ensures efficient power conversion even at low input-to-output voltage differentials. The regulator is housed in a surface-mount package, facilitating easy integration into compact electronic designs.

MIC5255-2.85BD5 Features

• Fixed Output Voltage: The MIC5255-2.85BD5 provides a stable 2.85V output, ideal for powering sensitive electronics that require precise voltage levels.
• Low Dropout Voltage: With a maximum dropout voltage of 0.25V at 150mA, this regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator operates with a quiescent current of only 150 µA, minimizing power consumption in standby or low-load conditions.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) ranging from 60dB to 50dB across frequencies from 10Hz to 10kHz, ensuring clean and stable output voltage.
• Protection Features: The MIC5255-2.85BD5 includes over-current protection, over-temperature protection, and under-voltage lockout (UVLO) to safeguard both the regulator and the connected circuitry.
• Enable Control: The regulator features an enable pin, allowing for dynamic control of the output voltage, which can be useful in power management applications.
• Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the MIC5255-2.85BD5 is suitable for various manufacturing environments without the need for special handling procedures.

MIC5255-2.85BD5 Applications

The MIC5255-2.85BD5 is well-suited for a variety of applications where low power consumption, high efficiency, and stable voltage regulation are critical. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current make this regulator ideal for extending battery life in portable electronics.
• Microcontroller Power Supplies: The fixed output voltage and high PSRR ensure stable power delivery to microcontrollers and other sensitive digital circuits.
• Low-Power Sensors: The regulator's ability to operate efficiently at low currents makes it suitable for powering low-power sensors in IoT and industrial applications.
• Embedded Systems: The compact surface-mount package and comprehensive protection features make the MIC5255-2.85BD5 a reliable for choice embedded systems requiring robust power management.

Conclusion of MIC5255-2.85BD5

The MIC5255-2.85BD5 stands out as a versatile and efficient linear voltage regulator, offering a combination of low dropout voltage, low quiescent current, and high PSRR. Its fixed output voltage and enable control feature make it particularly suitable for applications requiring precise power management. The comprehensive protection features and surface-mount package further enhance its reliability and ease of integration. For designers seeking a compact, efficient, and reliable power solution, the MIC5255-2.85BD5 is an excellent choice.