dc787a-b DC787A-B LTC4252CCMS-2 Demoboard | Negative Voltage Hot Swap Controller in an AdvancedTCA Application, Auto Retry After Fault DC787A-B: Demo Board for the LTC4252B-1/LTC4252B-2 LTC4252C-1/LTC4252C-2 Negative Voltage Hot Swap Controllers. DC787A-B