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MIC5319-2.8YD5

MIC5319-2.8YD5 Description

The MIC5319-2.8YD5 is a fixed output linear regulator designed by Microchip Technology, offering a robust and efficient solution for power management applications. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a TSOT23-5 package, making it suitable for surface mount applications. The regulator is designed to provide a stable output voltage of 2.8V with a maximum input voltage of 5.5V, ensuring compatibility with a wide range of power sources. It can deliver up to 500mA of output current, making it ideal for applications requiring moderate power levels.

MIC5319-2.8YD5 Features

• Fixed Output Voltage: The MIC5319-2.8YD5 provides a fixed output voltage of 2.8V, ensuring consistent power delivery to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.4V at 500mA, this regulator can maintain its output voltage even when the input voltage is close to the output voltage, enhancing efficiency in low-voltage applications.
• Low Quiescent Current: The regulator operates with a low quiescent current of 150 µA, minimizing power consumption during normal operation and extending battery life in portable devices.
• High Power Supply Rejection Ratio (PSRR): The PSRR ranges from 70dB at 1kHz to 60dB at 10kHz, effectively filtering out noise from the input power supply and ensuring clean output voltage.
• Enable Control Feature: The regulator includes an enable pin, allowing users to control the power state of the device, which is useful for power-saving modes and system shutdowns.
• Protection Features: The MIC5319-2.8YD5 incorporates over-current and over-temperature protection, safeguarding the regulator and connected components from damage due to excessive current or heat.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It is available in bulk packaging, suitable for high-volume production.

MIC5319-2.8YD5 Applications

The MIC5319-2.8YD5 is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and low quiescent current make it particularly suitable for battery-powered devices, where power efficiency is crucial. Some specific use cases include:

• Portable Electronics: Ideal for powering handheld devices, smartphones, and tablets, where maintaining battery life and ensuring stable power delivery are essential.
• Communication Devices: Suitable for powering components in routers, modems, and other communication equipment, ensuring reliable operation.
• Consumer Electronics: Applicable in devices such as digital cameras, media players, and smartwatches, where compact and efficient power management is required.
• Industrial Applications: Can be used in sensors, controllers, and other industrial equipment that require a stable power source with minimal power consumption.

Conclusion of MIC5319-2.8YD5

The MIC5319-2.8YD5 from Microchip Technology is a versatile and efficient linear regulator designed for applications requiring a stable 2.8V output and up to 500mA of current. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for battery-powered devices and other applications where power efficiency is paramount. The inclusion of enable control and protection features further enhances its functionality and reliability. Despite being marked as obsolete, the MIC5319-2.8YD5 remains a reliable option for power management in various electronic systems.