The MIC5255-2.85YD5 is a low-dropout (LDO) voltage regulator from Micrel, now Microchip Technology. It is designed to provide a stable and accurate 2.85V output voltage with a low dropout voltage, making it suitable for battery-powered and portable applications. The device features low quiescent current and excellent transient response, ensuring efficient and reliable performance.

Applications

• Battery-Powered Devices: Powering microcontrollers, sensors, and other components in portable devices.
• Mobile Phones: Providing regulated voltage for critical circuits in mobile phones and smartphones.
• Wireless Modules: Supplying power to wireless communication modules, such as Bluetooth and Wi-Fi.
• Wearable Devices: Voltage regulation for wearable electronics like smartwatches and fitness trackers.
• Handheld Instruments: Powering sensors and other electronic components in handheld measurement instruments.

Features

• Low Dropout Voltage: Operates with a minimal difference between input and output voltage, maximizing efficiency.
• Low Quiescent Current: Minimizes power consumption, extending battery life in portable applications.
• Stable with Ceramic Output Capacitors: Ensures stable operation with low-ESR ceramic capacitors.
• Overcurrent and Overtemperature Protection: Protects the regulator and connected components from damage.
• Fixed Output Voltage: Provides a precise and stable 2.85V output voltage.

Benefits

• Extended Battery Life: Low quiescent current and low dropout voltage maximize battery life in portable devices.
• Stable Operation: Stable with ceramic output capacitors, ensuring reliable performance.
• Enhanced System Reliability: Overcurrent and overtemperature protection prevent damage to the regulator and connected components.
• Simplified Design: Fixed output voltage simplifies circuit design.
• Compact Design: Small package size allows for easy integration into space-constrained applications.

Additional Details

The MIC5255-2.85YD5 is typically packaged in a SOT-23-5 package. Key specifications include an input voltage range of 2.5V to 5.5V and an output current of up to 150mA. The datasheet provides detailed information on component selection and application circuit design. The operating temperature range is typically -40°C to +125°C.