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ViewSonic Corporation
Confidential - Do Not Copy
Q19wb-3
5
3. Power
Internal Power Supply
Delta EADP-45AF BF
Input Voltage Range
90 to 264 VAC
Input Frequency Range
47.5 to 63 Hertz
Short Circuit Protection
Output can be shorted without damage
Over Current Protection
5.0 A typical at 12.0 VDC
Leakage Current
0.75mA (Max) at 264VAC / 50Hz
Efficiency
75 % (min.)
Fuse
Internal and not user replaceable
Power Dissipation
45 Watts (typ)
Max Input AC Current
1.2 Arms @ 90VAC, 0.7 Arms @264VAC
Inrush Current (Cold Start)
60 A (max) @ 115VAC
90A(Max)264VAC
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 defined to be in compliance with ISO 7779 (DIN
EN27779:1991) Noise
measurements of machines acoustics. Power
Switch noise shall not be considered.
Power Saving Operation(Method) VESA
DPMS
Signaling
On Mode < 40 W (Typ) / 36 W (max)
Power Consumption
Active Off < 1 W
Recovery Time
On Mode = N/A, Active Off < 5 sec
4. ELECTRICAL REQUIREMENTS
Horizontal /Vertical Frequency
Horizontal Frequency
31 – 81 kHz
Vertical Refresh Rate
50 – 75 Hz.
Maximum Pixel Clock
140 MHz
Sync Polarity
Independent of sync polarity.
Timing Table
Analog
Item Timing
Sep
a
rated
Comp
osite
SOG
Digit
al -
T
M
D
S
Remark
1
640 x 350
@ 70 Hz, 31.5 KHz
2
640 x 400
@ 70 Hz, 31.5 KHz
For Separated Sync, Switch
640x400@70Hz and 720x400@70Hz by
[AUTO]+[MENU]
short cut key (primary = 720x400@70Hz)
Summary of Contents for Optiquest VS11578
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