參數(shù)資料
型號(hào)： S6A0094
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 80 SEG / 34 COM DRIVER & CONTROLLER FOR STN LCD
中文描述： 80賽格/ 34 COM驅(qū)動(dòng)程序
文件頁(yè)數(shù)： 44/62頁(yè)
文件大小： 745K
代理商： S6A0094
S6A0094
80 SEG / 34 COM DRIVER & CONTROLLER FOR STN LCD
40
LCD DRIVING POWER SUPPLY CIRCUIT
The Power Supply circuit produces LCD panel driving voltage at low power consumption. The LCD driving Power
Supply circuit consists of voltage converter, voltage regulator, and voltage follower. It is controlled by power
control instruction. Table 14 shows how the LCD Driving Power Supply circuit works by power control instruction
sets.
Table 14. Power Supply Control Mode Set
VR VF VC
Voltage
regulator
Voltage
follower
Voltage
converter
VOUT pin
VR pin
V0, V1, V2,
V3, V4 pin
Internal voltage output
1 1 1
Enable
Enable
Enable
Internal
voltage
output
External
voltage
input
Used for
voltage
adjustment
Used for
voltage
adjustment
1 1 0
Enable
Enable
Disable
Internal voltage output
0 1 0
Disable
Enable
Disable
Open
Open
V1
～
V4: Internal voltage output
V0: External voltage input
V0
～
V4: External voltage input
0 0 0
Disable
Disable
Disable
Open
Open
NOTE: SEC recommendation is to use only the case listed above table.
VOLTAGE CONVERTER
The Voltage Converter circuit generates positive 4 times voltage of 2.0V that is generated internally. VOUT is
generated from the Voltage Converter. And this conversion voltage is used in the built-in voltage regulator circuit.
This application circuit is same as 3 times DC/DC converter.
Figure 15. DC/DC Converter Output and Circuit
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