Acer TravelMate 520 TravelMate 520 Service Guide - Page 31

LCD Item Supply voltage for LCD backlight (Vrms) 550 (typ.) 601 (typ.) Specification 670 (typ.) 670 (typ.) 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 Delta ADT-60XB D 3P Specification LiteOn PA-1600-02 1.5A @ 90Vac 0.9A @ 180Vac 1.5A @ 90Vac 0.95A @ 180Vac 47 - 63 47 - 63 47 - 63 47 - 63 90 - 270 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 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% It should provide an efficiency of 83% minimum, when measured at maximum minimum, when measured at maximum load under 115V(60Hz) load under 115V(60Hz) 19V - 20.5V 300mVp-pmax (20MHz bandwidth) 0 A (min.); 3.16 A (max.) 19V - 20.5V 300mVp-pmax (20MHz bandwidth) 0 A (min.); 3.16 A (max.) +12V ~ +19V 3.6 +/- 0.3 +12V ~ +19V 3.6 +/- 0.3 2 sec (@ 115Vac) 2 sec (@ 115Vac) 8 ms (@115Vac input, full load) 8 ms (@115Vac input, full load) 24V 24V Output can be shorted without damage Output can be shorted without damage 15kV (at air discharge) 8kV (at contact discharge) 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) Chapter 1 25