HD66750 Datasheet, PDF (91/96 Pages) Hitachi Semiconductor – 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions

HD66750/1
Referential data
VUP6 = VLCD - GND, VUP7 = VLCD - GND
(i) Relation between the obtained voltage and input voltage
Six-times boosting <T.B.D>
18.0
typ.
15.0
VUP6 (V)
12.0
18.0
VUP7 (V)
13.0
8.0
Seven-times boosting <T.B.D>
typ.
9.0
1.5
2.0
2.5
3.0
Vci (V)
Vci = Vcc, fosc = 70 kHz, Ta = 25°C, DC1 to 0= 00
1.5
2.0
2.5
3.0
Vci (V)
Vci = Vcc, fosc = 70 kHz, Ta = 25°C, DC1 to 0 = 00
(ii) Relation between the obtained voltage and temperature
Six-times boosting _<T.B.D>
17.0
15.0
VUP6 (V)
13.0
typ.
18.0
VUP7 (V)
16.0
Seven-times boosting <T.B.D>
typ.
11.0
14.0
-60 -20 0 20 60 100
Ta (°C)
Vci = Vcc = 2.4 V, fosc = 70 kHz, Io = 30 µA,
DC1 to 0= 00
(iii) Relation between the obtained voltage and capacity
16.0
15.0
VUP6 (V)
14.0
Six-times boosting _<T.B.D>
typ.
13.0
11.0
0.5
1.0
1.5
C (µF)
Vci = Vcc = 2.4 V, fosc = 70 kHz, Io = 30 µA,
DC1 to 0 = 00
-60 -20 0 20 60 100
Ta (°C)
Vci = Vcc = 2.4 V, fosc = 70 kHz, Io = 30 µA,
DC1 to 0 = 00
18.0
17.0
VUP7 (V)
16.0
15.0
Seven-times boosting <T.B.D>
typ.
14.0 _0.5
1.0
1.5
C (µF)
Vci = Vcc = 2.4 V, fosc = 70 kHz, Io = 30 µA,
DC1 to 0 = 00
Figure 60 Booster (cont)
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