Test Procedure for the NCV898031SEPGEVB Evaluation Board 1. Connect a DC input voltage, within the 6 V to 40 V range, between VIN and GND. 2. Connect a DC enable voltage, within the 2.0 V to 5.0 V range, between EN/SYNC and GND. 3. The demo board feedback components were selected for continuous operation at rated 7 V/1.22 A output power at a minimum input voltage of 6 V. The NCV898031 VIN has its operational voltage diode-ORed between the converter output and input voltages. The converter turns-on typically at VIN rising. Once energized, the output voltage supplies power to the IC when the battery voltage is less than the input IC VIN voltage. The decreasing VIN UVLO voltage depends on load current as well as VIN, and will be less than 6 V when operating below rated output current. 12/11/2013 1 www.onsemi.com