The MIC5264-PPYML is a low-dropout (LDO) voltage regulator from Micrel (now Microchip Technology). This regulator is designed to provide a stable and accurate output voltage from a higher input voltage, with minimal voltage drop across the regulator. It is ideal for applications requiring low noise, high accuracy, and low power consumption.

Applications:

• Portable devices
• Battery-powered systems
• Post-regulation for switching power supplies
• Noise-sensitive circuits
• Microprocessor and microcontroller power

Features:

• Low dropout voltage
• High output voltage accuracy
• Low quiescent current
• Stable with ceramic output capacitors
• Current limiting and thermal shutdown protection
• Available in small package options

Benefits:

• Extended battery life due to low quiescent current
• Stable output voltage for reliable operation of sensitive circuits
• Protection against overcurrent and overheating
• Simplified system design with ceramic capacitor compatibility
• Compact solution for space-constrained applications

Technical Specifications:

The MIC5264-PPYML features a low dropout voltage, typically around 200mV at full load. It offers high output voltage accuracy, typically within ±2%. The quiescent current is very low, typically around 20µA, which helps to extend battery life in portable applications. The regulator is stable with ceramic output capacitors, eliminating the need for bulky electrolytic capacitors.

The device includes current limiting and thermal shutdown protection to prevent damage from overcurrent and overheating conditions. It is available in small package options, such as a Thin QFN package, making it suitable for space-constrained applications. The MIC5264-PPYML is designed to operate over a wide input voltage range and a wide temperature range, ensuring reliable performance in various environments.

In portable devices, the MIC5264-PPYML is used to provide a stable voltage supply for microprocessors, memory, and other sensitive components. In battery-powered systems, its low quiescent current helps to extend battery life. It can also be used as a post-regulator for switching power supplies to reduce noise and improve output voltage accuracy.

The MIC5264-PPYML's stable operation with ceramic capacitors simplifies system design and reduces the overall size and cost of the power supply. Its protection features ensure reliable operation under fault conditions. The device's high accuracy and low noise make it an excellent choice for powering sensitive analog and digital circuits.