Chapter 1
29
Electrical Characteristics
No
.
Parameter
Symbol
Min.
Typ.
Max.
Unit
Comment
1
Input
voltage
NV_PWR
9
14.8
21
V
7.5V (continuous) can
work
*Note 1
2
Input
current
Iin
--
0.33
--
A
3
Lamp
current
IL
3.0
--
6.8
mA
DAC=0V
*Note 2
4
Lamp
current
IL
2.7
--
6.3
mA
DAC=1V
4
Frequency
F
45
55
65
KHz
* Note 3
5
Output
power
Pout
--
--
4.5
W
6
Efficiency
η
80%
--
--
--
7
Starting
voltage
Vs
1600
--
---
V
At 0’C
8
Starting
time
Tvs
1
--
1.5
Sec
9
Dispoff#
2.8
3.3
3.6
V
Backlight on/off signal
0
0.5
0.8
V
Low level
10
Limited
lamp
maximum
current
DAC-
BRIG
0
3.3
V
*Note 2
11
PWM
signal
*Note 4
INV_PW
M
142
150
158
Hz
PWM signal frequency
3.0
3.3
3.6
V
PWM signal amplitude
30
--
100
%
12
Lamp
current
over-shoot
I zero-PK
--
--
10
%
Line transient (10.8V to
21V/100us) and turn on
transient
13
Current
Waveform
factor
1.27
1.56
Multiple
or
*10
14
Unbalance
Rate
-10%
0
+10%
Mulitple
15
Turn off
current
(Hight
side)
IHl
--
--
0
A
PWM=30%
15
Turn off
voltage
(Low side)
Voff
--
--
150Vp-
p
V
PWM=30%
Duty
Ton
Period
-------------------
=
rms
p
I
I
2
rms
p
I
I
−
rms
p
p
I
I
I
−
−
Summary of Contents for TravelMate 430
Page 6: ...VI ...
Page 66: ...58 Chapter 2 ...
Page 102: ...94 Chapter 4 ...
Page 106: ...98 Chapter 5 ...
Page 108: ...100 Chapter 6 Exploded Diagram THE SYSTEM ...
Page 109: ...Chapter 6 101 LOGIC UP ASSY ...
Page 110: ...102 Chapter 6 LOGIC UP ASSY Wireless ...
Page 111: ...Chapter 6 103 LCD 14 1 LCD 15 ...
Page 112: ...104 Chapter 6 DVD ASSY CD ROM ASSY ...
Page 113: ...Chapter 6 105 Combo ASSY ...
Page 125: ...Chapter 6 117 ...
Page 128: ...Appendix A 120 T Embedded numeric keypad T International language support ...
Page 138: ...130 Appendix C ...