SSD1801AV ETC [List of Unclassifed Manufacturers], SSD1801AV Datasheet - Page 22

• Manufacturer Part Number: SSD1801AV
• Description: LCD Segment / Common Driver with Controller for Character Display System
• Manufacturer: ETC [List of Unclassifed Manufacturers]

VOLTAGE GENERATOR CIRCUIT
21
SSD1801 Series
GND
Remarks:
(VC,VF = 1,1)
C1 = 2.2µF - 4.7µF
C2 = 0.1µF - 1µF
R1 and R2 = 500K-2.5M ohms
R1
Rev 1.1
01/2003
3x DC-DC Converter
C1
R2
+
VDD
GND
C2
C2
Figure 12 – When Built – in Power Supply is used
Figure 13 – When External Power Supply is used
+
+
Note: VC, VF = bit X
AVDD
C1P
C1N
C2P
C2N
VOUT
VF
VL6
VL5
VL4
VL3
VL2
AVSS
X
X
2
0
is the bit of turns on/off of the internal voltage converter and regulator
is the bit of turns on/off of the voltage divider
2
and X
0
GND
R1
in the command of Power Control Register;
C1
+
VDD
C2
2x DC-DC Converter
R2
+
GND
C2
+
AVDD
C1P
C1N
C2P
VOUT
VF
VL6
VL5
VL4
VL3
VL2
AVSS
SOLOMON