HD66773R Datasheet, PDF (124/133 Pages) Renesas Technology Corp – 262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels

HD66773R
VCI adjustment circuit – Load characteristics
3.0
2.8
2.6
2.4
2.2
2.0
1.8
0.0 0. 3
0.6
0.9
1.2
Load current [mA]
Step- up1 – Load characteristics
5.5
5.3
5.1
4.9
4.7
4.5
0.0 0. 3
0.6
0.9
1.2
Load current [mA]
Step- up2 – Load characteristics
17
16
15
14
13
12
11
0
100
200
300
Load current [mA]
VCI1 = 1.00 x Vci
VCI1 = 0.92 x Vci
VCI1 = 0.87 x Vci
VCI1 = 0.83 x Vci
VCI1 = 0.76 x Vci
VCI1 = 0.73 x Vci
VCI1 = 0.68 x Vci
1.5 _Conditions
TYP, room temperature
VCC = VCI = 3.0V,
fOSC = 240kHz
AP = 011 Medium current mode
1/16 cycle
1/32 cycle
1/64 cycle
Conditions
1.5 _{TYP, room temperature}
VCC = VCI = 3.0V,
fOSC = 240kHz,
AP = 011 Medium current mode
VCI1 = 0.92 x VCI,
Step-up 1 : x2
1/64 cycle
1/124 cycle
1/256 cycle
Conditions
TYP, room temperature
VCC = VCI = 3.0V,
fOSC = 240kHz
AP = 011 Medium current mode
400 _{VCI1 = 0.92 x VCI,}
Step up1: x2 (1/32 cycle)
Step up 2: x3
Rev.1.10, Jun.21.2003, page 124 of 133