Estimating Switching Speed for the DS2712 NiMH Battery Charger

Abstract: In switch mode, the switching speed of the DS2712 battery charger varies based on inductor selection, charge current, and battery voltage. In some cases, the speed under various conditions should be known to account for noise sensitivity, peak-to-peak charge current, and inductor selection constraints. This application note provides an easy-to-use spreadsheet for estimating a circuit's switching speed with different component values and battery parameters.