The LM5068EVAL evaluation board provides the design engineer with a fully functional hot swap controller board designed for negative voltage systems. This application note describes the various functions of the board, how to test & evaluate it, and how to change the components for a specific application. The LM5068 data sheet is available from www.ti.com.
Features
- Safe module insertion and removal from live backplanes
- In-rush current limiting for safe board insertion into live backplanes
- Fast response to over-current fault conditions with active current limiting
- -10 V to -90 V input range
- Programmable under-voltage/over-voltage shutdown protection with adjustable hystereis
- Prgrammable multi-function timer for board insertion de-bounce delay
- Fault timer avoids nuisance trips caused by short duration load transients
- Active gate clamping during intitial power application
- Available in both latched fault and automatic re-try versions
- Available with either active HIGH or active LOW power good flag
Applications:
- -48 V Power Modules
- Central Office Switching
- Distributed Power Systems
- Electronic Circuit Breaker
- PBX Systems
- Negative Power Supply Control