SNVS814B June 2012 – June 2019 LMR10530
PRODUCTION DATA.
The catch diode conducts during the switch off-time. TI recommends a Schottky diode for its fast switching time and low forward voltage drop. The catch diode should be chosen such that its current rating is greater than:
The reverse breakdown rating of the diode must be at least the maximum input voltage plus appropriate margin. To improve efficiency, choose a Schottky diode with a low forward voltage drop.