NL6448AC63-01 Renesas Electronics America, NL6448AC63-01 Datasheet - Page 15

• Manufacturer Part Number: NL6448AC63-01
• Manufacturer: Renesas Electronics America

Specifications of NL6448AC63-01

• Lead Free Status / Rohs Status: Supplier Unconfirmed

4.6.2 Detail of PWM timing
(1) Timing diagrams
(2) Each parameter
Outline chart
Detail of A part
Note1: Definition of parameters is as follows.
Note2: See the following formula for luminance control frequency.
Note3: See "4.6.1 Luminance control methods".
Note4: If tPWN is more than 50ms, the backlight will be turned off by a protection circuit for
Luminance control frequency
BRTC
Non signal period
BRTP
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!
VBPH
FL =
VBPL
Parameter
Duty ratio
Luminance control frequency = tv (n+0.25) [or (n + 0.75)]
The interference noise of luminance control frequency and input signal frequency
n = 1, 2, 3 · · · · · ·
tv: See "4.10.4 Timing characteristics".
tPW
1
,
DL =
DATA SHEET EN0533EJ3V0DS00
Symbol
tPWN
tPWH
tPW
DL
FL
0
tPWH
tPWN 50ms
Min.
202
0.3
0
A
tPW
Typ.
280
-
-
tPWL
0
Max.
290
1.0
50
tPWN 50ms
Unit
NL6448AC63-01
Hz
ms
-
Note1, Note2
Note1, Note3
0
Remarks
Note4
tPWN 50ms
15