LTC2920 Demo Board with dual DC to DC Converter

Demonstration circuit DC543A is an LTC2920-2 Dual Voltage Margining Controller integrated with an LTC1628 Dual High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator. Two 3-position switches are provided to demonstrate both high and low voltage margining. The switches margin the 5.0V and 3.3V outputs to 10% of their nominal values