Aspire Digital 1620 manual AC Adapter, Power Management

the table.

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.
Hibernation Mode	All power shuts off
Enter Hibernation Mode (suspend to HDD)
when
1.Hibernation hot-key is pressed and
system is ready to enter Hibernation mode
2.System Hibernation timer expires and
system is ready to enter Hibernation mode.
Display Standby Mode	The display shuts off
Keyboard, built-in touchpad, and an external
PS/2 pointing device are idle for a specified
period.
Hard Disk Standby Mode	Hard disk drive is in standby mode.
Hard disk is idle within a specified period of	(spindle turned-off)
time.

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