AC Adapter

Item

 

 

Specification

 

 

 

 

 

 

DC output voltage

 

18.0 ~ 20.0

 

 

 

 

 

 

Constant output

 

7.9A

 

 

 

 

 

 

Dynamic Output Characteristics

 

 

 

 

 

 

 

Start-up time

 

3 sec. (@115 Vac and 230Vac full load)

 

 

 

 

 

 

Hold up time

 

5ms min. (@115 Vac input, full load)

 

 

 

 

 

 

Over Voltage Protection

 

25V

 

(OVP)

 

 

 

 

 

 

 

 

 

Short circuit protection

 

Output can be shorted without damage, and auto recovery

 

 

 

 

 

 

Electrostatic discharge

 

15kV (at air discharge)

 

(ESD)

 

8kV (at contact discharge)

 

 

 

 

 

 

Dielectric Withstand Voltage

 

 

 

 

 

 

 

Primary to secondary

 

4242 Vdc for 1 second-

 

 

 

 

 

 

Leakage current

 

60uA at 240Vac/60Hz

 

 

 

 

 

 

Regulatory Requirements

 

1. FCC class B requirements (USA)

 

 

 

2. VDE class B requirements (German)

 

 

 

3. VCCI classII requirements (Japan)

 

 

 

 

 

 

Power Management

 

 

 

 

 

 

 

 

ACPI Mode

 

Power Management

 

 

 

Mech. Off (G3)

 

All devices in the system are turned off completely.

 

 

 

Soft Off (G2/S5)

 

OS initiated shutdown. All devices in the system are turned

 

 

 

off completely.

 

 

 

Working (G0/S0)

 

Individual devices such as the CPU and hard disk may be

 

 

 

power managed in this state.

 

 

 

Sleeping State (S3)

 

CPU Power Down

 

 

 

VGA Power Down

 

 

 

PCMCIA Suspend

 

 

 

Audio Power Down

 

 

 

Hard Disk Power Down

 

 

 

Super I/O Power Down

 

 

 

Sleeping State (S4)

 

Also called Hibernate state. System saves all system

 

 

 

states and data onto the disk prior to power off the whole

 

 

 

system.

 

 

Environmental Requirements

 

 

 

 

 

Item

 

 

Specification

 

 

 

 

Temperature

 

 

 

 

 

Operating

 

+5 ~ +35°C

 

 

 

Non-operating

 

-20 ~ +65°C (storage package)

 

 

 

 

 

Humidity

 

 

 

Operating

Altitude

10% ~ 90% without condensation

Operating sea level 0 to 10,000ft

Storage sea level 0 to 40,000ft

Chapter 1

31

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Image 39
Acer 1800 manual Ovp, Esd, Power Management, Environmental Requirements