参数资料
型号: EL5000AERZ
厂商: Intersil
文件页数: 10/12页
文件大小: 0K
描述: IC DRIVER TFT-LCD HV 16TSSOP
标准包装: 94
显示器类型: LCD
电流 - 电源: 1.1mA
电源电压: 3.3V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
EL5000A
Output Waveforms
Figure 21 shows a typical CKV and CKVB output
waveforms. The output droop rate depends on the external
discharge resistor value and the output capacitor load.
Figure 22 shows the delay time between the incoming
horizontal sync timing pulse CPV and the generated output
pulses. Δ t is dependent mainly on the value of C L . Figure 23
shows the effect of STV.
CKV
CKV
CKVB
CKVB
FIGURE 21. CKV AND CKVB OUTPUT WAVEFORMS
STV
CPV
FIGURE 23. EFFECT OF STV
CKV
Auxiliary Functions
CKVB
DISH: It discharges V OFF when the logic power voltage level
drops out, when 'DISH' is < -0.6V (V CC system power turns
off), V OFF is connected to ground level by 1k Ω .
OECON: It provides continuos polarity changes to the
TFT-LCD panel during the vertical blanking.
CPV
FIGURE 22. CPV TO CKV/CKVB DELAY
VCC
+18V TO +40V
C4
1μF
C1
0.1μF
C2
0.1μF
C3
22μF
6
STVP
VSYNC TIMING
HSYNC TIMING
15
14
12
10
11
DISCH
OECON
STV
CPV
OE
2
CKV
3
CKVCS
CKVB 5
CKVBCS
7
R2 5k
R3 5k
R
R
C
C
WRITING TIMING
EL5000
R
C
C10
R6
ca 20k*
2nF*
C8
0.1μF
C9
22μF
TFT-LCD
-9V TO -20V
FIGURE 24. TYPICAL APPLICATION CIRCUIT
10
FN6167.2
February 20, 2008
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