Chapter 1
21
Supports colors
262,144 colors
Optical Specification
Brightness control
keyboard hotkey
Contrast control
keyboard hotkey
Electrical Specification
Supply voltage for LCD display (V)
3.3 (typ.)
Supply voltage for LCD backlight (Vrms)
630(typ.)
AC Adapter
Item
Specification
Vendor & model name
Delta ADT-60XB D 3P
Input Requirements
Maximum input current (A,
@90Vac, full load)
1.5 A @ 90Vac
0.9 A @ 180Vac
Nominal frequency (Hz)
47 - 63
Frequency variation range (Hz)
47 - 63
Nominal voltages (Vrms)
90 - 270
Inrush current
The maximum inrush current will be less than 50A and 100A when the adapter
is connected to 115Vac(60Hz) and 230Vac(50Hz) respectively.
Efficiency
It should provide an efficiency of 83% minimum, when measured at maximum
load under 115V(60Hz).
Output Ratings (CV mode)
DC output voltage
+19.0V~20.0V
Noise + Ripple
300mvp-pmax (20MHz bandwidth)
Load
0 A (min.) 2.4 A (max.)
Output Ratings (CC mode)
DC output voltage
+12V ~ +19V
Constant output
2.75 ± 0.2 A
Dynamic Output Characteristics
Turn-on delay time
2 sec. (@115Vac)
Hold up time
4 ms min. (@115 Vac input, full load)
Over Voltage Protection (OVP)
24 V
Short circuit protection
Output can be shorted without damage
Electrostatic discharge (ESD)
15kV (at air discharge)
8kV (at contact discharge)
Dielectric Withstand Voltage
Primary to secondary
1500 Vac (or 2121 Vdc), 10 mA for 1 second
Leakage current
0.25 mA max. (@ 254 Vac, 60Hz)
Regulatory Requirements
Internal filter meets:
1. FCC class B requirements. (USA)
2. VDE 243/1991 class B requirements. (German)
3. CISPR 22 Class B requirements. (Scandinavia)
4. VCCI class II requirements. (Japan)
LCD
Item
Specification
340SG.book Page 21 Thursday, October 28, 1999 10:51 AM
Summary of Contents for TravelMate 340
Page 74: ...68 Chapter 6 340SG book Page 68 Wednesday November 3 1999 11 46 AM ...
Page 82: ...76 Chapter 6 340SG book Page 76 Wednesday November 3 1999 11 46 AM ...
Page 84: ...78 Appendix A 340SG book Page 78 Wednesday November 3 1999 11 46 AM ...
Page 94: ...88 Appendix C 340SG book Page 88 Wednesday November 3 1999 11 46 AM ...