The MIC5213-3.3YC5 is a low dropout (LDO) regulator from Micrel (now Microchip Technology). It's designed to provide a stable 3.3V output voltage with a low dropout voltage, making it suitable for battery-powered and portable applications where efficiency and space are critical.

Applications

• Battery-powered devices
• Portable electronics
• Wireless devices
• Microcontroller power supplies
• Post-regulation for switching power supplies

Features

• Fixed 3.3V output voltage
• Low dropout voltage: Typically 170mV at 150mA
• Low quiescent current: 20µA typical
• High output accuracy
• Overcurrent and overtemperature protection
• Stable with ceramic output capacitors

Benefits

• Provides a stable and accurate 3.3V supply for sensitive circuits.
• Extends battery life due to low dropout voltage and quiescent current.
• Protects the device and the load from fault conditions.
• Allows for the use of small and inexpensive ceramic capacitors.
• Enables efficient power conversion and regulation.

Technical Specifications

The MIC5213-3.3YC5 provides a fixed 3.3V output voltage. It has a low dropout voltage, typically 170mV at 150mA, which maximizes efficiency in battery-powered applications. The quiescent current is very low, typically 20µA, further extending battery life. The regulator is stable with ceramic output capacitors, allowing for smaller and more cost-effective designs. It includes overcurrent and overtemperature protection to prevent damage from fault conditions. The input voltage range is typically 2.5V to 5.5V. The output current is up to 150mA. It comes in a SOT-23-5 package.

The MIC5213-3.3YC5 is ideal for applications where a stable, efficient, and space-saving 3.3V regulator is required, especially in portable and battery-powered devices. Its low dropout voltage and quiescent current contribute to longer battery life, while its protection features ensure reliable operation.