SLUA963B June 2020 – October 2022 UCC21710-Q1 , UCC21732-Q1 , UCC5870-Q1
Active pulldown ensures that OUTH/OUTL is clamped to VEE while VDD is not connected. The OUTH/OUTL pin is high-impedance when VDD is open and the pulldown feature prevents false turn on while the device supply is open. This is implemented as shown in Figure 3-14.