SPEC No.
LCY-12T09303B
MODEL No.
LS013B4DN02
PAGE
25
10. External Power Supply Circuit
An external power supply circuit is necessary to drive the Pixel Memory LCD with the 3V battery.
Table 1-1 shows power supply IC of the recommendation.
Table 1-1
Maker Model
Number
Note
SII
S-8821
Charge pump type
National Semiconductor
LM2750
Charge pump type
Refer to specifications of each power supply IC for a detailed specification.
Set the constant value after it evaluating it sufficiently by an actual application when you use it.
Electrical specification
Table 2-1
Vin [V]
Vout
Model Number
min max min typ
max
Iout
[A]
S-8821
2.8 5.0 4.9
5.0
5.1
0.04
LM2750
2.7 5.6 4.8
5.0
5.2
0.04
Refer to specifications of each power supply IC for a detailed specification.
Set the constant value after it evaluating it sufficiently by an actual application when you use it.
Reference circuit
The reference circuit is shown below.
S-8821
LM2750