Intel BB5520UR Product Specification - Page 150

Residual Voltage Immunity in Stand-by Mode

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Design and Environmental Specifications Intel® Server Boards S5520HC, S5500HCV, and S5520HCT TPS 9.4.9 Residual Voltage Immunity in Stand-by Mode The power supply should be immune to any residual voltage placed on its outputs (typically, a leakage voltage through the system from stand-by output) up to 500 mV. There should be no additional heat generated or stressing of any internal components with this voltage applied to any individual output and all outputs simultaneously. It also should not trip the power supply protection circuits during turn on. Residual voltage at the power supply outputs for a no-load condition should not exceed 100 mV when AC voltage is applied and the PSON# signal is de-asserted. 136 Revision 1.8 Intel order number E39529-013

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Design and Environmental Specifications
Intel® Server Boards S5520HC, S5500HCV, and S5520HCT TPS
Revision 1.8
Intel order number E39529-013
136
9.4.9
Residual Voltage Immunity in Stand-by Mode
The power supply should be immune to any residual voltage placed on its outputs (typically, a
leakage voltage through the system from stand-by output) up to 500 mV. There should be no
additional heat generated or stressing of any internal components with this voltage applied to
any individual output and all outputs simultaneously. It also should not trip the power supply
protection circuits during turn on.
Residual voltage at the power supply outputs for a no-load condition should not exceed 100 mV
when AC voltage is applied and the PSON# signal is de-asserted.