The maximum input voltage that can be applied to the LP2985A-18DBVRG4 is 12V, but it's recommended to keep it below 10V to ensure reliable operation and to prevent overheating.
To ensure stability, make sure to follow the recommended layout and component placement guidelines, use a sufficient output capacitor (at least 2.2uF), and keep the input and output capacitors close to the device. Also, avoid using long traces and minimize the distance between the device and the capacitors.
The LP2985A-18DBVRG4 is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. It's recommended to derate the output current and ensure proper thermal management to prevent overheating.
The output voltage tolerance of the LP2985A-18DBVRG4 is typically ±2% over the entire operating range. To calculate the output voltage tolerance, multiply the nominal output voltage (1.8V) by the tolerance percentage (2%). For example, the output voltage tolerance would be ±0.036V.
Yes, the LP2985A-18DBVRG4 is suitable for battery-powered devices due to its low quiescent current (IQ) of 10uA. However, make sure to consider the device's dropout voltage and ensure that the input voltage remains above the minimum required voltage to maintain regulation.
LP2985A-18DBVRG4 datasheet
by Texas Instruments
