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Chapter 1 25
Supply voltage for LCD backlight
(Vrms)
550 (typ.) 601 (typ.) 670 (typ.) 670 (typ.)
AC Adapter
Item Specification
Vendor & model name Delta ADT-60XB D 3P LiteOn PA-1600-02
Input Requirements
Maximum input current 1.5A @ 90Vac
0.9A @ 180Vac
1.5A @ 90Vac
0.95A @ 180Vac
Nominal frequency (Hz) 47 - 63 47 - 63
Frequency variation range (Hz) 47 - 63 47 - 63
Nominal voltages (V) 90 - 270 90 - 270
Inrush current The maximum inrush current will be
less than 50A and 100A when the
adapter is connected to 115Vac(60Hz)
and 230Vac(50Hz) respectively
The maximum inrush current will be
less than 50A and 100A when the
adapter is connected to 115Vac(60Hz)
and 230Vac(50Hz) respectively
Efficiency It should provide an efficiency of 83%
minimum, when measured at maximum
load under 115V(60Hz)
It should provide an efficiency of 83%
minimum, when measured at maximum
load under 115V(60Hz)
Output Ratings (CV mode)
DC output voltage 19V - 20.5V 19V - 20.5V
Noise + Ripple 300mVp-pmax (20MHz bandwidth) 300mVp-pmax (20MHz bandwidth)
Load 0 A (min.); 3.16 A (max.) 0 A (min.); 3.16 A (max.)
Output Ratings (CC mode)
DC output voltage +12V ~ +19V +12V ~ +19V
Constant output 3.6 +/- 0.3 3.6 +/- 0.3
Dynamic Output Characteristics
Turn-on delay time 2 sec (@ 115Vac) 2 sec (@ 115Vac)
Hold up time 8 ms (@115Vac input, full load) 8 ms (@115Vac input, full load)
Over Voltage Protection (OVP) 24V 24V
Short circuit protection Output can be shorted without damage Output can be shorted without damage
Electrostatic discharge (ESD) 15kV (at air discharge)
8kV (at contact discharge)
15kV (at air discharge)
8kV (at contact discharge)
Dielectric Withstand Voltage
Primary to secondary 1500 Vac (or 2121 Vdc), 10mA for 1 second
Leakage current 0.25 mA max. (@ 254 Vac, 60Hz)
Regulatory Requirements Internal Filter meets:
1. FCC class B requirements. (USA)
2. VDE 243/1991 class B requirements. (German)
3. CISPR 22 Class B requirements. (Scandinavia)
4. VCCI class II requirements. (Japan)
LCD
Item Specification