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參數(shù)資料
| 型號(hào)： | HV506X |
| 廠商： | SUPERTEX INC |
| 元件分類(lèi)： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | 275V 40-Channel Row Driver with SCR Outputs |
| 中文描述： | EL DISPLAY DRIVER, UUC57 |
| 封裝： | 3.124 X 3.886 MM, DIE-57 |
| 文件頁(yè)數(shù)： | 8/9頁(yè) |
| 文件大?。?/td> | 464K |
| 代理商： | HV506X |
8
HV506
+ HV - (V
DD
- V
SS
)
V
SS
- HV
High Impedance
High Impedance
High Impedance
Output n
Output n+1
Sink*
SCR
Source*
SCR
D
2
*
t
OFF
(D
2
)
D
1
*
0V
Drive Current
Disabled
Drive Current
Disabled
t
OFF
(D
1
)
t
OFF
(Sink SCR)
t
OFF
(Source SCR)
HV Switching Waveforms and Operation
To drive a TFEL row with a negative pulse: The desired sink SCR
is enabled and V
is connected to -HV via a current limited
switch. After holding the output at the -HV level, the switch is
opened in order to set the sink SCR current to zero. The row is
then discharged through a discharge diode when D
is switched
to GND. The application of a positive pulse to a row operates in
a similar manner using the selected source SCR and D
1
.
*
Notes internal device handling current flow. Refer to Typical Output Circuit Connections for schematic.
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