HD66730 Datasheet, PDF (117/131 Pages) Hitachi Semiconductor – Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display

HD66730/HD66731
V_CC
GND
1µF
+
1µF ₊
GND
V_CC
Vci
GND
V1
C1
V2
C2
V3
V5OUT2 _V4
V5OUT3 _V5
V_CC
V_CC
R1
Vci
R1
GND
V1
R0
GND
C1
V2
1µF
+
C2
V3
R1
R1
1µF ₊
V5OUT2 _V4
V5OUT3 _V5
GND
C0
+ +++
R1
R1
R0
R1
R1
1µF ₊
• R1= 4.7kΩ to 15kΩ
1µF ₊
• R1= 15kΩ to 47kΩ
• C0= 0.1µF to 0.5µF
i) Example of normal power supply
ii) Example of low power supply
Figure 48 Example of Power Supply for Low Power Consumption
V_CC
V_CC
V_CC
Rth
Vci
V_CC
R1
V1
Vci
V_CC
R1
V1
Vci
V_CC
R1
V1
GND
R1
V2
GND
R1
V2
GND
C1
R0 GND
C1
R0
1µF
V3
1µF
V3
+
C2
R1
+
C2
R1
V4
V4
V5OUT2
R1
V5OUT2
R1
1µF ₊
V5OUT3 ^V5
1µF
+
V5OUT3 ^V5
GND
1µF
+
1µF ₊
GND
V2
C1
V3
C2
V4
V5OUT2
V5OUT3 ^V5
R1 Rth
R0
Ra
R1
R1
Rb
GND _1µF
+
GND
GND
1µF
+
Rth ^GND
1µF
+
GND
GND
Figure 49 Example of Temperature Compensation Circuit
116