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22 Chapter 1
LCD Inverter
AC Adaptor
System Power Management
Item Specification
Vendor & model name TDK TAIWAN CORP. - TDB488NR
Brightness conditions 3.14V~3.47V
Input voltage (V) 9.0V~20V
Input current (mA) 0.6A(MAX)
Output voltage (V, rms) AC660V
Output current (mA, rms) 1.9mA~2.5mA (Min. Brightness)
6.0mA~7.0mA (Max. Brightness)
Output voltage frequency (k Hz) 54KHz~60KHz
Item Specification
Input rating 100V AC to 240V AC, 50Hz to 60Hz
Maximum input AC current 1.6A
Inrush current 50A@115VAC
100A@230VAC
Efficiency 85% min. @115VAC input full load
Item Specification
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 disc may be
power managed in this state.
Suspend to RAM (S3) CPU set power down
VGA Suspend
PCMCIA Suspend
Audio Power Down
Hard Disk Power Down
CD-ROM Power Down
Super I/O Low Power mode
Save to Disk (S4) Also called Hibernation Mode. System saves all system
states and data onto the disc prior to power off the whole
system.