Asus S1-P112 Spresso Hardware User Manual - Page 39

2.11.2 Power supply specifications Input characteristics Input Voltage Range Range 1 Range 2 Input Frequency Range Maximum Input AC Current Inrush Current Min 90 V 180 V Nom 115 V 230 V Max 132 V 264 V 47 Hz ~ 63 Hz 5 A maximum at 115 Vac 3 A maximum at 230 Vac, full load 45 A at 115 Vrms 90 A at 230 Vrms (at 25ºC ambient cold start) Output voltage requirements Parameter +3.3 V +5 V +12 V -12 V +5 VSB Range +/-5% +/-5% +/-5% +/-10% +/-5% Min +3.14 +4.75 +11.4 -10.8 +4.75 Nom +3.3 +5 +12.0 -12.0 +5 Max +3.47 +5.25 +12.6 -13.2 +5.25 Unit Volts Volts Volts Volts Volts • At no load, +3.3 V output +/-5% regulation limits do not apply. • At +12 V surge, regulation can go up to +/-10%. DC output current load ranges Parameter +3.3 V +5 V +12 V -12 V +5 VSB Min 0.5 0.3 1.0 0.0 0.0 Nom - Max 17.0 13.0 16.0 0.3 2.0 Peak - 17.0 - 2.5 Unit Amps Amps Amps Amps Amps • +5 VSB is an SELV standby voltage that is always present when AC main voltage is present. • The maximum continuous average DC output power should not exceed 220 W. • The maximum combined load on +5 V and +3.3 V outputs should not exceed 80 W. • The maximum peak total DC output power should not exceed 225 W. • Peak +12 VDC output power should not exceed a duration of 12 seconds. ASUS S-presso 2-19