Acer TravelMate -550 Service Manual page 40

LCD
Item
Supply voltage for
LCD display (V)
Supply voltage for
LCD backlight
(Vrms)
AC 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
Output current
Output Ratings (CC mode)
DC output voltage
Constant output
Dynamic Output Characteristics
Start-up time
Hold up time
Over Voltage Protection (OVP)
Short circuit protection
Electrostatic discharge (ESD)
Dielectric Withstand Voltage
Primary to secondary
Leakage current
Regulatory Requirements
ACPI mode
Mech. Off (G3)
Soft Off (G2/S5)
32
3.3 3.3
690 690
ADAPTER PA-1600-02 CA 60W 3 PINS
1.8 A @ 90Vac
0.9 A @ 180Vac
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).
+18.8V~20.0V including the effects of line voltage variation, load current,
ripple and noise
300mvp-pmax (20MHz bandwidth) for resistor load
0 A (min.)
+12V ~ +19V
3.16A
2 sec. (@115Vac)
5 ms min. (@115 Vac input, full load)
27 V
Output can be shorted without damage, and auto recovery
15kV (at air discharge)
8kV (at contact discharge)
2150 Vdc for 1 second
100uA at 254Vac
1. FCC class B requirements(USA)
2. VDE class B requirements(German)
3. VCCI classII requirements(Japan)
❑
❑
Specification
3.3
690
Specification
3.16 A (max.)
Power Management
All devices in the system are turned off completely.
OS initiated shutdown. All devices in the system are turned off
completely.
3.3
690
Chapter 1