LM3201921 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'LM3201921' PDF : 26 Pages View PDF
SHARP
SPEC No.
LC99204
8.Characteristics
of CCFT back light
The ratings
are given on condition
that the following
8-1 Rating
Table 10
conditions
MODEL No.
LM320192i
are satisfied.
PAGE
21
Note l)Rating
are defined
as the average
brightness
inside the viewing
area specified
in
Fig. 6.
Note 2)Measurement
conditions
CCFT i nverter
: CXA-Ml OL-L (TDK)
Measurement
circuit
current
: 4 mArms fix
(circuit
voltage
: approximation
DC 9 V)
LCD pattern
: All digits
WHITE, VDD=S V.ME-VSS=Vmax
Ambient
temperature
: 25 “C
Measurement
equ i pment : BM-7 (TOPCDM)
8-2 Operating
life
The operating
time
life time
is 15 000 hours
more under the following
conditions.
CCFT inverter
: CXA-MlOL-L
IFT=S mArms
Ta=25 f 5%
The operating
life time is defined
as having ended when any of the following
conditions
occur.
-When the illuminence
or quantity
of light has decreased
to 50 K of the initial
va I ue.
-When the I ight of CCFT goes to f I icker remarkable.
80
160
240
dot
Fig. 6 Measuring
point %-I%
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