AC Adapter

Item

Specification

 

 

Nominal frequency (Hz)

50-60

 

 

Frequency variation range (Hz)

47-63

 

 

Input voltage range (Vrms)

90-270

 

 

Inrush current

The maximum inrush current will be less than 50A and 100A when the adapter

 

is connected to 115Vac and 230Vac respectively.

 

 

Efficiency

It should provide an efficiency of 80% minimum, when measured at maximum

 

load under 115Vac.

 

 

Output Ratings (CV mode)

 

 

 

DC output voltage

19V

 

 

Noise + Ripple

300mVp-pmax (20 MHz bandwidth)

 

 

Load

0(min) 3.16A(max)

 

 

Output Ratings (CC mode)

 

 

 

DC output voltage

19V +/-1.0V for CV mode

 

 

Constant current mode

3.6 +/- 0.3A

 

 

Dynamic Output Characteristics

 

 

 

Turn-on delay time

3 sec (@ 115Vac)

 

 

Hold up time

5ms (@115Vac, Full load)

 

 

Over Voltage Protection (OVP)

24V

 

 

Short circuit protection

3.9A max can be protected and output can be shorted without damage

 

 

Electrostatic discharge (ESD)

15KV (at air discharge)

 

8KV (at contact discharge)

 

 

Dielectric Withstand Voltage

 

 

 

Primary to secondary

3000Vac

 

 

Leakage current

0.25 mA max. (@ 254Vac, 60Hz)

 

 

Regulatory Requirements

Safety Requirements:

 

1.The subject product rated 100-120V 60Hz must be listed under UL 1950 and

 

certified with SCA Standard C22.2 No.950.

 

2.The subject product rated 200-240V 50Hz must comply with low voltage

 

directive 73/23EEC.

 

EMI Requirements:

 

1.The subject product rated 100-120V 60Hz must meet the EMI requirements

 

of FCC part 15, Subpart B for Class B Digital Device and get FCC Certification

 

before marketing into USA and Canada.

 

2.The subject product rated 200-240V 50Hz must meet the EMC Directive 89/

 

336/EEC.

 

3.The subject product rated 100-120V must meet the VCCI-2 EMI

 

requirements.

 

 

Power Management

Power Saving Mode

Phenomenon

 

 

Standby Mode

The buzzer beeps

Enter Standby Mode when

The Sleep indicator lights up

 

1.Standby/Hibernation hot-key is pressed

 

and system is not ready to enter Hibernation

 

mode.

 

2.System standby/ Hibernation timer expires

 

and system is not ready to enter Hibernation

 

mode.

 

 

 

Chapter 1

29

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Image 38
Acer 2700 manual Power Management, Power Saving Mode Phenomenon Standby Mode

2700 specifications

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