Acer TravelMate 520 Service Manual page 31

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