The MIC5211-3.3YM6 is a low dropout (LDO) voltage regulator designed to provide a stable 3.3V output voltage. Manufactured by Micrel (now Microchip Technology), this regulator is ideal for battery-powered devices and other applications requiring efficient and reliable voltage regulation.

Applications

• Battery-powered devices
• Portable electronics
• Microcontroller power supplies
• Post-regulation for switching power supplies
• Noise-sensitive circuits

Features

• Low Dropout Voltage: Maintains regulation with a very small difference between input and output voltage.
• High Accuracy: Provides a highly accurate 3.3V output voltage.
• Low Quiescent Current: Minimizes power consumption, extending battery life.
• Overcurrent Protection: Protects the regulator and the load from excessive current.
• Thermal Shutdown Protection: Prevents damage from overheating.
• Stable with Ceramic Capacitors: Designed to operate with low-ESR ceramic output capacitors.

Benefits

• Extended Battery Life: Low quiescent current maximizes the runtime of battery-powered devices.
• Stable Output Voltage: Maintains a consistent 3.3V output, ensuring reliable performance of connected circuits.
• Robust Protection: Overcurrent and thermal shutdown protection enhance reliability and prevent damage.
• Compact Design: Small package size allows for use in space-constrained applications.
• Simplified Design: Requires minimal external components, simplifying the design process.

Additional Details

The MIC5211-3.3YM6 is typically available in a SOT-23-6 package. Key electrical specifications include an input voltage range of 2.5V to 5.5V, a fixed output voltage of 3.3V, and a maximum output current of 300mA. The low dropout voltage and low quiescent current make it particularly suitable for use in portable devices and energy-sensitive applications. It is commonly used to power microcontrollers, sensors, and other low-voltage components.