The MIC5255-2.7YM5 is a low-dropout (LDO) voltage regulator manufactured by Micrel (now Microchip Technology). It is designed to provide a stable and regulated 2.7V output voltage from a higher input voltage, while maintaining low power consumption. This LDO regulator is part of Micrel's extensive range of power management solutions, aimed at providing efficient and reliable power to various electronic circuits.

Applications

• Portable devices
• Battery-powered systems
• Wireless communication devices
• Microprocessor power supplies
• Post-regulation for switching power supplies
• General purpose regulation

Features

• Low dropout voltage: Maintains regulation with a small difference between input and output voltage.
• Fixed 2.7V output: Provides a stable and accurate output voltage.
• Low quiescent current: Minimizes power consumption when the load is light.
• Overcurrent protection: Protects the regulator from damage due to excessive current draw.
• Thermal shutdown protection: Prevents overheating by shutting down the regulator when the temperature exceeds a safe level.
• Enable/disable control: Allows the regulator to be turned on and off for power saving.
• Small package size: Allows for high-density mounting.

Benefits

• Improved battery life: Low quiescent current extends battery life in portable devices.
• Stable voltage regulation: Accurate output voltage ensures proper operation of sensitive circuits.
• Enhanced system reliability: Overcurrent and thermal shutdown protection prevent damage to the regulator and the load.
• Simplified system design: Integrated functionality reduces external component count.
• Reduced power consumption: Efficient operation minimizes power waste.

Additional Details

The MIC5255-2.7YM5 comes in a SOT-23-5 package. It requires a small output capacitor for stability. The input voltage range is typically 2.7V to 5.5V. The maximum output current is typically around 150mA. The dropout voltage is typically around 150mV at 150mA. This LDO regulator is widely used in portable devices such as smartphones and tablets for providing a stable and regulated voltage to the processor and other critical components. The MIC5255-2.7YM5 provides a reliable and cost-effective solution for voltage regulation. The device is designed for reflow soldering. The operating temperature range is from -40°C to +125°C.