HD66137 Datasheet, PDF (10/19 Pages) Hitachi Semiconductor – High-Voltage Durable 240-Channel Common Driver for Dot-Matrix STN LCD

HD66137T
Power Supply Circuit Example
Figure 3 shows a power supply circuit example.
+21.0V
DC-DC
CONVERTER
+3.0~5.0V
+2.7~5.5V
–
+
GND
VLCD
VH
V_CC
SEG
V0
Driver
VM
V1
GND
COM
Driver
HD66137
+–
External Capacitor
(2.2~4.7 µF)
VEO
VL
VEE
C1 C2
+–
C0
External Capacitor
(2.2~4.7 µF)
Figure 3 Power Supply Circuit Example
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