Suggested OVP Zener Diodes for PT79 Series ISRs (Rev. A)
Texas Instruments published 08/03/2000
Description
The PT79SR100 requires an over-voltage protection (OVP) zener diode on the output to prevent turn-on overshoot. The table below lists the appropriate zener voltage and suggested zener diode part number. We recommend the 1N53xxB series because of its surge current rating.