The MIC79110-4.2YML is a high-efficiency, low dropout (LDO) voltage regulator from Micrel, now Microchip Technology. It is designed to provide a stable and accurate 4.2V output voltage with a high level of current capability. This regulator is ideal for various applications where a clean and regulated power supply is essential.
Applications:
- Post Regulation for Switching Power Supplies: Used to provide a clean and stable voltage source after a switching regulator.
- Battery-Powered Systems: Suitable for devices powered by batteries requiring a precise voltage for optimal performance.
- Portable Electronics: Ideal for mobile phones, tablets, and other portable devices.
- Instrumentation: Provides stable power for sensitive measurement equipment.
- Point of Load Regulation: Powers specific components or sections of a circuit board requiring a specific voltage level.
Features:
- Low Dropout Voltage: Ensures regulation even when the input voltage is close to the output voltage.
- High Output Current: Capable of supplying substantial current to the load.
- Stable with Ceramic Output Capacitors: Works reliably with low-ESR ceramic capacitors.
- Overcurrent Protection: Protects the regulator and the load from damage due to excessive current draw.
- Thermal Shutdown: Shuts down the regulator if the die temperature exceeds a safe level, preventing damage.
- High Accuracy Output: Provides a precise and stable 4.2V output voltage.
Benefits:
- Improved System Performance: Provides a stable and clean power supply, improving the performance and reliability of the powered devices.
- Extended Battery Life: High efficiency minimizes power loss, extending the battery life in portable applications.
- Reduced Component Count: Stable operation with ceramic capacitors reduces the need for external components.
- Enhanced System Protection: Overcurrent and thermal shutdown features protect the regulator and the load from damage.
- Simplified Design: Easy to use and requires minimal external components.
Additional Details:
The MIC79110-4.2YML typically comes in a compact surface-mount package. It features enable/disable control, which allows the regulator to be turned on and off for power saving. The regulator is designed for a wide input voltage range and offers excellent transient response. This LDO regulator is designed with internal current limiting and thermal shutdown protection, making it a robust solution for demanding applications. Consult the datasheet for specific electrical characteristics, such as dropout voltage at various current levels and quiescent current consumption.
