HD66724 Datasheet, PDF (111/117 Pages) Hitachi Semiconductor – (Graphics LCD Controller/Driver with Key Scan Function)

HD66724/HD66725
Referential data
VUP2 = VLCD – GND; VUP3 = VLCD – GND
(i) Relation between the obtained voltage and input voltage
Double boosting
typ.
6.0
5.0
4.0
3.0
1.5
2.0
2.5
3.0
Vci (V)
Vci = Vcc, fosc = 32 kHz, Ta = 25˚C
Triple boosting
7.0
typ.
6.0
5.0
4.0
3.0
1.0
1.5
2.0
2.5
Vci (V)
Vci = Vcc, fosc = 32 kHz, Ta = 25˚C
(ii) Relation between the obtained voltage and temperature <T.B.D.>
Double boosting
6.5
typ.
6.0
7.0
5.5
6.5
Triple boosting
typ.
5.0
6.0
-60 -20 0 20 60 100
Ta (°C)
Vci = Vcc = 3.0 V, fosc = 32 kHz, Io = 30 µA
-60 -20 0 20 60 100
Ta (°C)
Vci = Vcc = 2.2 V, fosc = 32 kHz, Io = 30 µA
Figure 63 Booster (cont)
111