HD66766R Datasheet, PDF (88/97 Pages) Hitachi Semiconductor – 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors

HD66766R
Rev. 1.0-1 / September 2002
Step-up circuit loading characteristics (Reference data)
(1) Step-up circuit 1 – loading characteristic
Measureing condition
Ta = 25C, VCC = 3.0 [V], Oscillation frequency = 250 [kHz]
(2) Vci1 step-up magnification = 0.92, Step-up magnification two times
5.5
5.0
4.5
32 divided frequency
4.0
64 divided frequency
3.5
3.0
0
300
600
900
Load voltage [uA]
1200
1500
Figure 69 Step-up circuit 1- load characteristic (AP=01 amplifier constant voltage: small)
5.5
5.0
4.5
32 divided frequency
4.0
64 divided frequency
3.5
3.0
0
300
600
900
1200
1500
Load voltage [uA]
Figure 70 Step-up circuit 1- load characteristic (AP=10 amplifier constant voltage: medium)
5.5
5.0
4.5
32 divided frequency
4.0
64 divided frequency
3.5
3.0
0
300
600
900
1200
1500
Load voltage [uA]
Figure 71 Step-up circuit 1- load characteristic (AP=11 amplifier constant voltage: large)
88