參數(shù)資料
型號(hào)： HD66730
廠商： Hitachi,Ltd.
英文描述： Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器)
中文描述： 點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器（點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器）
文件頁數(shù)： 115/131頁
文件大?。?/td> 5169K
代理商： HD66730
HD66730/HD66731
115
V
CC
V1
V2
V3
V4
V5
V
CC
C1
C2
Vci
GND
V5OUT2
V5OUT3
R1
R1
R0
R1
R1
C1
C2
Vci
GND
V5OUT2
V5OUT3
R1
R1
R0
R1
R1
+
+
+
+
1
μ
F
+
1
μ
F
GND
GND
1
μ
F
1
μ
F
1
μ
F
GND
GND
(Double boosting)
(Triple boosting)
V
CC
V1
V2
V3
V4
V5
V
CC
Thermistor
Thermistor
Notes: 1.
2.
3.
4.
5.
6.
The reference voltage input (Vci) must be set below the power supply (V
CC
).
Current that flows into reference voltage input (Vci) is 2-3 times larger than the load current
flowing through bleeder resistors. Note that a reference voltage drop occurs due to the
current flowing into the Vci input when a reference voltage (Vci) is generated by resistor
division.
The amount of output voltage (V5OUT2/V5OUT3) drop of a booster circuit also increases
as the load current flowing through bleeder resistors increases. Thus, set the bleeder
resistance as large as possible (4.7 k
or greater) without affecting display picture quality.
Adjust the reference voltage input (Vci) according to the fluctuation of booster characteristics
because the output voltage (V5OUT2/V5OUT3) drop depends on the load current,
operation temperature, operation frequency, capacitance of external capacitors,
and manufacturing tolerance. Refer to Electrical Characteristics for details.
Adjust the reference voltage input (Vci) so that the output voltage (V5OUT2/V5OUT3)
after boosting will not exceed the absolute maximum rating of liquid crystal power supply
voltage (15V).
Make sure that you connect polarized capacitors correctly.
Figure 47 Example of Power Supply for Liquid Crystal Display Drive (with Internal Booster)
相關(guān)PDF資料
PDF描述
HD66731 Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器)
HD66731A00TB0L 122 x 32 pixel format, Compact LCD size
HD66731A00TA0L Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66731A01TA0L Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66731A01TB0L Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66730A00FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66730A01FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66731 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66731A00TA0L 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66731A00TB0L 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
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