Ackermann Instrumente GmbH
•
Eisenbahnstr 65-67
•
78604 Weilheim Germany
Tel. : +49-7461-96617-0
•
Fax. : +49-7461-96617-70
•
email.: info@ackermanninstrumente .de
Side 28of 33
5.9
Power Sequence
Power Supply for
IV
AA
Input Signal for Vi
CCFL Power Supply for V
lamp
* Set 0 Volt <
V
i
(t) <
IV
AA
(t)
Here Vi(t), IV
AA
(t) indicate the transitive state of Vi, IV
AA
when power supply is turned ON or OFF
* T1, T2, T5, T6 : 10 ns ~ 20 ms.
* T3, T4 : 100 ms ~ 200 ms.
Notes: 1. Please avoid floating state of interface signal at invalid period.
2. When the interface signal is invalid, be sure to pull down the power supply for LCD AV
CC
to 0V.
3. BackLight Inverter power must be turn on after power supply for logic and interface signal are valid.
90%
10%
10%
0V
90%
T
1
T
2
T
5
Valid Data
0V
T6
T3
T4
