NTP系列,fault 管脚的作用
NeoFidelity, Inc.
Design Guide
NTP8XXX-001-R02
Fig. 1 Typical circuit for /FAULTB
the mute function.
Fig. 2 Example circuit for mute function
an external controller handles a power down sequence for abnormal power status, /FAULT can be left open or tied to VDD_IO, +3.3V, as shown in Fig. 3.