ZHCSMU0D July 2009 – December 2020 TPS23753A
Positive input power rail for PoE control that is derived from the PoE. VDD should be bypassed to VSS with a
0.1-μF (X7R,10%) capacitor as required by the standard. A transient suppressor (Zener) diode, must be connected from VDD to VSS to protect against overvoltage transients.