LCD

Item

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Viewing Angle (degree)

 

 

 

 

 

 

 

Horizontal: Right/Left

 

40/40

40/40

 

45/45

 

 

Vertial: Upper/Lower

 

20/40

10/30

 

15/35

 

 

 

 

 

 

 

 

 

 

Temperature Range( ° C)

 

0 to +50

0 to +50

 

0 to +50

 

 

Operating

 

 

 

 

 

-20 to +60

-20 to +60

 

-20 to +60

 

 

Storage (shipping)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC Adapter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

 

Specification

 

 

 

 

 

 

 

 

 

 

Vendor & model name

Liton, 135W power supply

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Voltage

 

 

 

 

 

 

 

 

 

 

 

 

Low Range

90(min.)/137(max.)/100-127(nominal)

 

 

 

 

 

 

 

 

High Range

180(min.)/265(max.)200-240(nominal)

 

 

 

 

 

 

 

 

 

 

Input current

2.2A(max)

 

 

 

 

 

 

 

 

 

 

 

 

Nominal frequency (Hz)

50-60

 

 

 

 

 

 

 

 

 

 

 

 

Frequency variation range (Hz)

47-63

 

 

 

 

 

 

 

 

Efficiency

It should provide an efficiency of 85% minimum, when measured at maximum

 

 

load under 115Vac.

 

 

 

 

 

 

 

 

 

 

 

 

 

Output Requirements

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DC output voltage

19V

 

 

 

 

 

 

 

 

 

 

Noise + Ripple

380mV as output voltage is 19V

 

 

 

 

 

 

 

 

 

 

Peak Load

18.5V-19.71V

 

 

 

 

 

 

 

 

 

 

 

 

 

Dynamic Output Characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Turn-on delay time

5 sec (@ 115Vac)

 

 

 

 

 

 

 

 

 

 

 

 

Hold up time

5ms (@115Vac, Full load)

 

 

 

 

 

 

 

 

 

 

 

 

Over Voltage Protection (OVP)

29V

 

 

 

 

 

 

 

 

 

 

 

 

Short circuit protection

9.5A @19V output voltage

 

 

 

 

 

 

 

 

 

 

 

 

Electrostatic discharge (ESD)

15KV (at air discharge)

 

 

 

 

 

 

8KV (at contact discharge)

 

 

 

 

 

 

 

 

 

 

 

 

 

Dielectric Withstand Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Primary to secondary

2150VDC for 1 sec.

 

 

 

 

 

 

 

 

 

 

 

 

Ground leakage current

less than 250uA

 

 

 

 

 

 

 

 

 

 

 

 

 

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

31

Page 39
Image 39
Acer 2500 manual AC Adapter, Power Management, Standby Mode