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參數(shù)資料
| 型號： | BA9756FS |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | High-voltage control circuit for CRT displays |
| 中文描述： | 高的CRT顯示器的電壓控制電路 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 120K |
| 代理商： | BA9756FS |
BA9756FS
Multimedia ICs
High-voltage control circuit for CRT
displays
BA9756FS
The BA9756FS is LSIs that control CRT anode voltage in multi-scan monitors and similar devices, using
a chopper-type voltage control circuit. The internal sawtooth wave generator circuit uses automatic gain control
(AGC) to enable coverage of a wide range from 30kHz to over 150kHz. The BA9756FS is equipped with an internal
high-precision voltage source featuring an output voltage precision of ± 0.7%.
!
Applications
CRT displays, HDTVs, others
!
Features
1) Internal chopper-type voltage
control circuit.
2) Internal buffer circuit enables direct
drive of Power MOSFET for output
drive.
3) Internal high-precision voltage
source offers output voltage
precision of ± 0.7%.
!
Block diagram
M / M
GND
9.0V
V
CC
1
V
CC
2
Buffer
+
+
–
+
–
SAW GEN.
20
1
19
2
18
3
17
4
16
5
15
6
14
7
13
8
12
9
11
10
!
Absolute maximum ratings
(Ta=25°C)
Parameter
Symbol
Limits
Unit
V
CC
1
V
CC
2
Pd
Topr
Tstg
- 25~+80
Power supply voltage 1
Power supply voltage 2
Power dissipation
Operating temperature
Storage temperature
*
1
When mounted on a 70mm
×
70mm
×
1.6mm glass epoxy board.
Reduced by 7.5mW for each increase in Ta of 1C over 25C.
*
1
18
20
750
- 55~+125
V
V
C
C
mW
!
Recommended operating conditions
(Ta=25°C)
Parameter
Symbol
Unit
Max.
Typ.
Min.
V
CC
1
V
CC
2
11
11
-
-
V
V
17
17
Power supply voltage 1
Power supply voltage 2
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