Power Management - Acer TravelMate 4020 Service Manual

AC Adapter
Item
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

Power Management

ACPI Mode
Mech. Off (G3)
Soft Off (G2/S5)
Working (G0/S0)
Sleeping State (S3)
Sleeping State (S4)
28
47 - 63
90 - 264
The maximum inrush current will be less than 50A and 100A when
the adapter is connected to 100Vac(60Hz) and 240Vac(50Hz)
respectively.
High efficiency 85% minimum, at 100~240Vac AC input, full load,
warm-up condition.
Offers constant voltage 19.0V output source with 150W max output
power capacity.
300mvp-pmax (20MHz bandwidth) for resistor load
0 A (min.) 3.5A (max.)
18.0 ~ 20.0
7.9A
3 sec. (@115 Vac and 230Vac full load)
5ms min. (@115 Vac input, full load)
25V
Output can be shorted without damage, and auto recovery
15kV (at air discharge)
8kV (at contact discharge)
4242 Vdc for 1 second-
60uA at 240Vac/60Hz
1. FCC class B requirements (USA)
2. VDE class B requirements (German)
3. VCCI classII requirements (Japan)
All devices in the system are turned off completely.
OS initiated shutdown. All devices in the system are turned off
completely.
Individual devices such as the CPU and hard disk may be power
managed in this state.
CPU Power Down
VGA Power Down
PCMCIA Suspend
Audio Power Down
Hard Disk Power Down
Super I/O Power Down
Also called Hibernate state. System saves all system states and data
onto the disk prior to power off the whole system.
Specification
Power Management
Chapter 1