Microchip Technology

MIC5247-1.8BM5-TR

MIC5247-1.8BM5-TR Description

The MIC5247-1.8BM5-TR is a high-performance linear voltage regulator designed by Microchip Technology. This regulator is specifically engineered to deliver a fixed output voltage of 1.8V with a maximum output current of 150mA. It is housed in a compact SOT23-5 package, making it ideal for space-constrained applications. The regulator operates with an input voltage range up to 6V and features a low dropout voltage of 0.15V at 150mA, ensuring efficient power conversion even under low input-to-output voltage differentials.

MIC5247-1.8BM5-TR Features

• Fixed Output Voltage: The MIC5247-1.8BM5-TR provides a stable 1.8V output, making it suitable for applications requiring a precise and consistent power supply.
• High Efficiency: With a low dropout voltage of 0.15V at 150mA, this regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator features a low quiescent current of 150 µA, which is crucial for battery-powered and low-power applications to minimize power consumption.
• Enable Control: The enable feature allows for dynamic control of the regulator’s operation, enabling power-saving modes and reducing power consumption when the regulator is not in use.
• Protection Features: The MIC5247-1.8BM5-TR includes over-current protection, over-temperature protection, and under-voltage lockout (UVLO) to safeguard the device and connected circuits from damage.
• High Power Supply Rejection Ratio (PSRR): The regulator boasts a PSRR of 50dB at 1kHz, ensuring minimal noise and ripple on the output voltage, which is essential for sensitive analog and digital circuits.
• Compliance and Reliability: The regulator is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.

MIC5247-1.8BM5-TR Applications

The MIC5247-1.8BM5-TR is well-suited for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current make this regulator ideal for portable devices such as smartphones, tablets, and wearable technology.
• Low-Power Embedded Systems: The regulator’s efficiency and enable control feature make it a perfect fit for microcontroller-based systems and IoT devices.
• Analog and Mixed-Signal Circuits: The high PSRR ensures that the regulator can provide a clean power supply for sensitive analog circuits and mixed-signal applications, reducing noise and improving overall system performance.
• Medical Devices: The compact size, low power consumption, and high reliability make this regulator suitable for medical devices where precision and efficiency are critical.

Conclusion of MIC5247-1.8BM5-TR

The MIC5247-1.8BM5-TR from Microchip Technology is a versatile and efficient linear voltage regulator that offers a combination of high performance and reliability. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for a wide range of applications, particularly in portable and low-power devices. The inclusion of enable control and comprehensive protection features further enhances its usability and robustness. Whether used in consumer electronics, embedded systems, or medical devices, the MIC5247-1.8BM5-TR provides a reliable and efficient power solution.