NL10276AC30-04W NEC, NL10276AC30-04W Datasheet - Page 14

• Manufacturer Part Number: NL10276AC30-04W
• Description: LCD Module
• Manufacturer: NEC

4.6.2 Detail of PWM timing
(1) Timing diagrams
(2) Each parameter
• Outline chart
• Detail of A part
Note1: See the following formula for luminance control frequency.
Note2: See '4.6.1 Luminance control methods'.
Note3: If tPWN is more than 50ms, the backlight will be turned off by a protection circuit for
Luminance control frequency
BRTP
BRTC
BRTP
Non signal period
inverter.
for LCD panel signal processing board may appear on a display. Set up luminance
control frequency so that the interference noise does not appear!
ViB2H
ViB2L
Parameter
Duty ratio
Luminance control frequency = tevc × (n+0.25) [or (n + 0.75)]
The interference noise of luminance control frequency and input signal frequency
n = 1, 2, 3 · · · · · ·
tv: See '4.10 INPUT SIGNAL TIMINGS.
tPWH/tPW
Symbol
1/tPW
tPWN
0 ≤ tPWN ≤ 50ms
tPWH
A
Min.
185
0.2
0
tPW
Typ.
-
-
-
tPWL
0 ≤ tPWN ≤ 50ms
Max.
340
1.0
50
DOD-M-0514
NEC Corporation
Unit
Hz
ms
-
0 ≤ tPWN ≤ 50ms
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Remarks
Note1
Note2
Note3
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