dc787a-a DC787A-A DC787A-A: Demo Board for the LTC4252B-1/ LTC4252B-2/ LTC4252C-1/ LTC4252C-2 Negative Voltage Hot Swap Controllers. DC787A-A LTC4252CCMS-1 Demo Board | Negative Voltage Hot Swap Controller in an AdvancedTCA Application, Latch Off After Fault