The BD9D300MUV is a buck DC/DC with integrated power FET capable of converting input voltages up to 17 V (such as a 14.4 V battery system) with output currents up to 3 A. This IC features 100% duty cycle operation and integrates various protection features to ensure high reliability. Primary uses include the conversion of voltages directly from 12 V systems, 2-cell lithium-ion battery systems, and even 5 V USB power supplies.