MIC5219-3.3YMM-TR

The MIC5219-3.3YMM-TR is a low-dropout (LDO) voltage regulator manufactured by Microchip Technology. It is designed to provide a stable output voltage of 3.3V with a maximum output current of 150mA. This device is particularly useful in applications where space is limited, as it comes in a compact 8-lead MLF (Micro Leadframe) package, which measures just 3mm x 3mm.

Key Features:

1. Output Voltage: The MIC5219-3.3YMM-TR provides a fixed output voltage of 3.3V, making it suitable for powering various digital circuits and components that require a stable voltage supply.

2. Low Dropout Voltage: The LDO features a low dropout voltage of approximately 200mV at full load, which allows it to maintain regulation even when the input voltage is close to the output voltage. This is particularly beneficial in battery-powered applications where maximizing battery life is crucial.

3. Current Capability: It can deliver up to 150mA of output current, making it suitable for powering small loads such as microcontrollers, sensors, and other low-power devices.

4. Quiescent Current: The MIC5219 has a low quiescent current, typically around 30µA, which helps to conserve power in applications where the device may be in a standby mode for extended periods.

5. Thermal Protection: The device includes built-in thermal shutdown protection, which prevents damage due to overheating by shutting down the regulator if the junction temperature exceeds a certain threshold.

6. Short-Circuit Protection: It also features short-circuit protection, ensuring that the device can withstand fault conditions without sustaining damage.

7. Output Capacitor: The MIC5219 is designed to work with a small output capacitor, typically 1µF or greater, which helps to stabilize the output voltage and improve transient response.

8. Operating Temperature Range: The device operates over a wide temperature range, from -40°C to +125°C, making it suitable for various industrial and automotive applications.

9. Applications: Common applications for the MIC5219-3.3YMM-TR include portable devices, battery-powered equipment, and any application requiring a low-noise, low-dropout voltage regulator.

Pin Configuration:

The MIC5219-3.3YMM-TR features an 8-pin configuration, with pins designated for input voltage (Vin), output voltage (Vout), ground (GND), and feedback (if applicable). The compact design allows for easy integration into printed circuit boards (PCBs).

Conclusion:

Overall, the MIC5219-3.3YMM-TR from Microchip Technology is a versatile and efficient LDO voltage regulator that provides reliable performance in a small package. Its combination of low dropout voltage, low quiescent current, and robust protection features makes it an excellent choice for a wide range of electronic applications.