采用LTC1646，可使CompactPCI板具有热插拔功能，系统不会在板插入或拔出时受到影响。 advertisement LTC1646: Power Supply Isolation Controller Simplifies Hot Swapping the CompactPCI Bus for 5V-/3.3V-Only Applications Design Note 253 Andy Gardner Although ±12V supplies are provided on the CompactPCITM pins during insertion and extraction and reports on the backplanes, many plug-in boards only require 5V and state of the supply voltages via the HEALTHY# signal. 3.3V. The LTC1646 is the ideal power supply isolation LTC1646 Feature Summary controller for these applications. ……