ViewSonic VP2030b-1 Service Manual page 8

USB INTERFACE
Up Stream Connector
Down Stream Connector
Compatibility
Power
POWER SUPPLY
Internal Power Supply
Input Voltage Range
Input Frequency Range
Short Circuit Protection
Over Current Protection
Leakage Current
Efficiency
Fuse
Power Dissipation
Max Input AC Current
Inrush Current (Cold Start)
Power Supply Cold Start
Power Supply Transient Immunity
Power Supply Line Surge Immunity
Power Supply Missing Cycle Immunity
Power Supply Acoustics
Power Saving Operation(Method)
Power Consumption
Recovery Time
Viewsonic Corporation
B type USB port x1
A type USB port x4
Compliant with Revision 2.0
The hub gets power from the display.
Delta EADP-64BF
90 to 264 VAC
47.5 to 63 Hertz
Output can be shorted without damage
5.0 A typical at 12.0 VDC
3.5mA (Max) at 254VAC / 60Hz
80 % typical at 115VAC Full Load
Internal and not user replaceable
64 Watts (typ)
1.5 Arms @ 90VAC, 0.75 Arms @180VAC
50 A (max) @ 115VAC
90 A (max) @ 230VAC
Shall start and function properly when under
full load, with all combinations of input voltage,
input frequency, and operating temperature.
Shall be able to withstand an ANSI/IEEE
C62.41-1980 6000V 200 ampere ring wave
transient test with no damage.
Shall be able to withstand 1.5 times nominal
line voltage for one cycle with no damage.
Shall be able to function properly, without
reset or visible screen artifacts, when ½ cycle
of AC power is randomly missing at nominal
input.
The power supply shall not produce audible
noise that would be detectable by the user.
Audible shall defined to be in compliance with
ISO 7779 (DIN
measurements of machines acoustics. Power
Switch noise shall not be considered.
VESA DPMS Signaling
On Mode < 52 W (Typ) / 56 W (max)
Active Off < 3 W
On Mode = N/A, Active Off < 8 sec
5 Confidential - Do Not Copy
EN27779:1991) Noise
VP2030b-1