Chapter 1 27
Typical White Luminance (cd/m
2
)
150 (5 point average)
Luminance Uniformity 1.25 max. (5pts)
1.65 max. (13pts)
Contrast Ratio 250
Optical Rise Tim/Fall Time 15/35 (msec)
Nominal Input Voltage VDD 3.3V Typ.
Typical Power Consumption (VDD
line+VCFL line)
5.7watt
Electrical Interface 2 Channel LVDS
Optical Specification
Brightness control Keyboard hotkey
Contrast control None
Response Time (msec)
(Room Temp.) (msec)
Rising 15 Note: 45 (Max.)
Falling 35 Note: 45 (Max.)
Electrical Specification
Supply voltage for LCD display (V) 3.3 (typ.)
Supply voltage for LCD backlight (Vrms) 650 (typ.)
AC Adapter
Item Specification
Vendor & model name LITEON
Input Requirements
Maximum input current (A,
@90Vac, full load)
1.5 A @ 110Vac
1.0 A @ 240Vac
Nominal frequency (Hz) 50-60
Frequency variation range (Hz) 47-63
Input voltage range (Vrms) 90-240
Inrush current The adapter inrush current shall be less than the ratings of its critical
components for all conditions of line voltage.
Efficiency The power supply efficiency shall not less than 83% measure at the maximum
load as specified in paragraph 3.1 with the AC input set at the nominal voltage.
Output Ratings (CV mode)
DC output voltage 20V
Noise + Ripple 300mVp-pmax (Use 20 MHz bandwidth frequency scope).
Load 0(min) 3.16A(max)
Output Ratings (CC mode)
DC output voltage 20V +/-1.0V for CV mode
Constant current mode 3.6 +/- 0.3A
Dynamic Output Characteristics
Turn-on delay time 3 sec (@ 115Vac)
Hold up time 5ms (@115Vac, Full load)
Over Voltage Protection (OVP) 24V
Short circuit protection 3.9A max can be protected and output can be shorted without damage
Electrostatic discharge (ESD) 15KV (at air discharge)
8KV (at contact discharge)
Dielectric Withstand Voltage
LCD
Item Specification
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