Kontron COMe Ref. Carrier T2 - Manual (Page 15)

COM Express™ miniBaseboard Type 2 / Specification
10
3.4 Electrical Specification
Supply Voltage
» 12V + 5VSB ±5% in ATX mode
» 8.5 V to 18 V DC in single supply mode
Power Supply Rise time
» The input voltages shall rise from ≤10% of nominal to within the regulation ranges within 0.1ms to 20ms.
» There must be a smooth and continuous ramp of each DC input voltage from 10% to 90% of its final set-point
following the ATX specification
Supply Voltage Ripple
» Maximum 100 mV peak to peak 0-20MHz