Acer Extensa 500 服务手册
28
System Introduction
Electrical Specification
Supply voltage for LCD
display (V)
display (V)
3.0~3.6 (typ.)
3.3 (typ.)
Supply voltage for LCD
backlight (Vrms)
backlight (Vrms)
650 (typ), 660 (max.)
650 (typ)
Power Adapter
Item
Specification
Vendor & model name
Delta ADP-45GB Rev. E5
Input Requirements
Maximum input current (A, @90Vac,
full load)
full load)
1.5 A
Nominal frequency (Hz)
47 - 63
Frequency variation range (Hz)
47 - 63
Nominal voltages (Vrms)
90 - 264
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.
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).
minimum, when measured at
maximum load under 115V(60Hz).
Output Ratings (CV mode)
DC output voltage
+19.0V~20.5V
Noise + Ripple
300mvp-pmax (20Mhz bandwidth)
Load
0 A (min.) 2.4 A (max.)
Output Ratings (CC mode)
DC output voltage
+12V ~ +19V
Constant output
2.75 ± 0.2 A
Dynamic Output Characteristics
Turn-on delay time
2 sec. (@115Vac)
Hold up time
5 ms min. (@115 Vac input, full load)
Over Voltage Protection (OVP)
26 V
Short circuit protection
Output can be shorted without damage
Electrostatic discharge (ESD)
15kV (at air discharge)
Dielectric Withstand Voltage
LCD
Item
Specifications