Schottky barrier diode D1 damps positive voltage spikes that occur at the noninverting input of comparator IC1 shortly after the high-to-low transition of the output voltage. Diode D2 clamps the negative excursion of the r
Figure 2. Schottky barrier diode D1 damps positive voltage spikes that occur at the noninverting input of comparator IC1 shortly after the high-to-low transition of the output voltage. Diode D2 clamps the negative excursion of the r