Power Adapter - Acer Extensa 500 Service Manual

LCD
Item
Electrical Specification
Supply voltage for LCD
display (V)
Supply voltage for LCD
backlight (Vrms)

Power Adapter

Item
Vendor & model name
Input Requirements
Maximum input current (A, @90Vac,
full load)
Nominal frequency (Hz)
Frequency variation range (Hz)
Nominal voltages (Vrms)
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
28
Specifications
3.0~3.6 (typ.)
650 (typ), 660 (max.)
Delta ADP-45GB Rev. E5
1.5 A
47 - 63
47 - 63
90 - 264
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).
+19.0V~20.5V
300mvp-pmax (20Mhz bandwidth)
0 A (min.)
+12V ~ +19V
2.75 ± 0.2 A
2 sec. (@115Vac)
5 ms min. (@115 Vac input, full load)
26 V
Output can be shorted without damage
15kV (at air discharge)
3.3 (typ.)
650 (typ)
Specification
2.4 A (max.)
System Introduction