TCG121SVLPAANN-AN20 Datasheet, PDF (8/27 Pages) Kyocera Kinseki Corpotation – 12.1 inch SVGA transmissive color TFT with LED backlight

Spec No.
Part No.
TQ3C-8EAF0-E1YAC14-00 TCG121SVLPAANN-AN20
Page
5
5-2. Constant current circuit for LED Backlight
Item
Supply voltage ç
1)
Current consumption
Permissive input ripple voltage
BLBRT Input signal voltage
BLBRT Input pull-down resistance
BLEN Input signal voltage
BLEN Input pull-down resistance
̢̥̬ Frequency
3)
̥̬M Duty ratio
Operating life time
ç 4), 5)
Symbol
VIN
IIN
VRP_BL
VIL_BLBRT
VIH_BLBRT
RIN_BLBRT
VIL_BLEN
VIH_BLEN
RIN_BLEN
fPWM
DPWM
T
Condition
-
2)
VIN=12.0V
"Low" level
"High" level
-
"Low" level
"High" level
-
-
-
Temp.=25°C
Min.
10.8
-
-
0
2.3
100
0
2.3
100
200
(50)
-
Temp. = -20ʙ70°C
Typ. Max. Unit
12.0 13.2
V
400
600
mA
-
100 mVp-p
-
0.8
V
-
VIN
V
300
500
kЊ
-
0.8
V
-
VIN
V
300
500
kЊ
-
10k
Hz
-
100
%
70,000 -
h
1)ç VIN-turn-on conditions
PWMç signal
LED
Backlight
çç
2) VIN = 12V, Temp. = 25ˆɼDPWM = 100%
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