HD66740 Datasheet, PDF (84/95 Pages) Hitachi Semiconductor – 112 x 80-dot Graphics LCD Controller/Driver

HD66740
Referential data
VUP4 = VLCD – GND; VUP5 = VLCD – GND
(i) Relation between the obtained voltage and input voltage
Quadruple boosting
typ.
16.0
VUP4 (V) ^12.0
15.0
VUP5
10.0
8.0
5.0
Five-times boosting
typ.
4.0
1.0
2.0
3.0
4.0
Vci (V)
Vci = Vcc, fosc = 86 kHz, Ta = 25°C
DCC = 0
1.0
2.0
3.0
4.0
Vci (V)
Vci = Vcc, fosc = 86 kHz, Ta = 25°C
DCC = 0
(ii) Relation between the obtained voltage and temperature
Quadruple boosting
14.0
typ.
12.0
16.0
VUP4 (V) ^10.0
8.0
VUP5 ^14.0
12.0
Five-times boosting
typ.
-60 -20 0 20 60 100
Ta (°C)
Vci = Vcc = 3 V, fosc = 86 kHz, Io = 30µA
DCC = 0
-60 -20 0 20 60 100
Ta (°C)
Vci = Vcc = 3 V, fosc = 86 kHz, Io = 30µA
DCC = 0
(iii) Relation between the obtained voltage and capacity
13.0
12.0
VUP4 (V) _11.0
Quadruple boosting
typ.
16.0
15.0
VUP5 (V)
14.0
Five-times boosting
typ.
10.0
13.0
9.0
0.5
1.0
1.5
C (µF)
Vci = Vcc = 3.0 V, fosc = 86 kHz, Io = 30 µA
DCC = 0
12.0 _0.5
1.0
1.5
C (µF)
Vci = Vcc = 3.0 V, fosc = 86 kHz, Io = 30 µA
DCC = 0
Figure 45 Booster (cont)
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