ViewSonic Corporation 7 Confidential - Do Not Copy VA703b-4_VA703m-4
2-3 POWER SUPPLY
Internal Power Supply Part Number:PI-SB03/XXXXXXX
Input Voltage Range
100 to 240VA C
Input Frequency Range
50 to 60 Hertz
Short Circuit Protection
OUTPUT CAN BE SHORTED WITHOUT DAMAGE
Over Current Protection
6 A TYPICAL AT 5 VDC
Leakage Current
1.0 MA (MAX) AT 264VAC / 60HZ
Efficiency
80 % TYPICAL AT 115VAC FULL LOAD
Fuse
INTERNAL AND NOT USER REPLACEABLE
Power Dissipation
32 WATTS (TYP)
Max Input AC Current
1.2 ARMS @ 90VAC, 0.8 ARMS @180VAC
Inrush Current (Cold Start)
30 A @ 90 VAC, 60 A(MAX) @ 264 VAC
Power Supply Cold Start
SHALL START AND FUNCTION PROPERLY WHEN
UNDER FULL LOAD, WITH ALL COMBINATIONS OF
INPUT VOLTAGE, INPUT FREQUENCY, AND
OPERATING TEMPERATURE
Power Supply Transient Immunity
SHALL BE ABLE TO WITHSTAND AN ANSI/IEEE
C62.41-1980 6000V 200 AMPERE RING WAVE
TRANSIENT TEST WITH NO DAMAGE
Power Supply Line Surge Immunity
Shall be able to withstand 1.5 times nominal line voltage
for one cycle with no damage
Power Supply Missing Cycle Immunity
Shall be able to function properly, without reset or visible
screen artifacts, when ½ cycle of AC power is randomly
missing at nominal input
Power Supply Acoustics
The power supply shall not produce audible noise that
would be detectable by the user. Audible shall define to
be in compliance with ISO 7779 (DIN EN27779:1991)
Noise measurements of machines acoustics. Power Switch
noise shall not be considered
US Type Power Cable
Length = 1.8m. Connects to AC/DC Power Color = Black
Power Saving Operation(Method) VESA DPMS Signaling
Power Consumption
On Mode <36 W (max)
Saving Mode< 2W Off Mode <1 W
Recovery Time On Mode = N/A, Active Off < 3 sec
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