S6A0092 Datasheet, PDF (42/54 Pages) Samsung semiconductor – 80 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD

S6A0092
VOLTAGE GENERATOR CIRCUIT
26 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD
VDD
- ^C1
C1 ₊
C1
VDD
CAP1+
CAP1-
CAP2+
CAP2-
VOUT
VR
Rb
Ra
-
C3 ₊
GND
C2 ^{- +}
C2
C2
C2
C2
GND
V0
V1
V2
V3
V4
VSS
C1: 0.1 ~ 4.7uF
C2: 0.1 ~ 4.7uF
C3: 1 ~ 10nF
Figure 21. When Built-in Power Supply is used (VC, VR, VF = 1, 1, 1)
VDD
External
Power
Supply
VDD
CAP1+
CAP1-
CAP2+
CAP2-
VOUT
VDD
VDD
CAP1+
CAP1-
CAP2+
CAP2-
VOUT
VDD
VDD
CAP1+
CAP1-
CAP2+
CAP2-
VOUT
GND
VR
VR
VR
Rb
Ra
GND
C2 ^{- +}
C2
C2
C2
C2
V0
V1
V2
V3
V4
VSS
GND
(VC, VR, VF = 0, 1, 1)
External
Power
Supply
GND
-+
V0
V1
V2
V3
V4
VSS
(VC, VR, VF = 0, 0, 1)
External ^V0
V1
Power
V2
Supply
V3
V4
VSS
GND
(VC, VR, VF = 0, 0, 0)
All capacitor is C2.
C2: 0.1 ~ 4.7uF
Figure 22. When External Power Supply is used
38