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PDF BA9755 Data sheet ( Hoja de datos )
| Número de pieza | BA9755 | |
| Descripción | High voltage controller for CRT displays | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BA9755 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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Multimedia ICs
High voltage controller for CRT
displays
BA9755S
The BA9755S is an LSI chip with a chopper voltage controller designed to control the anode voltage of multiscan
monitors and other CRTs. There are two internal high-precision power supplies, each with an output voltage preci-
sion of ±1%. Using a high-precision voltage detection resistor makes it possible to set anode voltage without adjust-
ment. Other internal components include an output voltage error detector and an overcurrent detector, which detects
overcurrent when the power is turned on.
•Applications
CRT displays and HDTV products
•Features
1) Internal chopper voltage controller.
2) Two internal high-precision power supplies, each
with an output voltage precision of ±1%.
3) Internal output voltage error detector.
4) Internal buffer circuit that directly drives power MOS-
FET for output drive.
•Absolute maximum ratings (Ta = 25°C)
Parameter
Applied voltage 1
Applied voltage 2
Power dissipation
Symbol
VCC1
VCC2
Pd
Limits
18∗1
20∗2
600∗1
Operating temperature
Topr
– 25 ~ + 75
Storage temperature
Tstg – 55 ~ + 125
∗ 1 18pin ∗ 2 3pin
∗ 3 Reduced by 6.0mW for each increase in Ta of 1°C over 25°C.
Unit
V
V
mW
°C
°C
•Recommended operating voltage (Ta = 25°C)
Parameter
Symbol
Limits
Applied voltage 1
VCC1
11 ~ 13
Applied voltage 2
VCC2
∗ Used with condition VCC2 м VCC1
11 ~ 16
Unit
V
V
1
1 page  
Multimedia ICs
PONDET
11
ABLIN
1122
Ref 6V
10k
VCC
4k
1k 1k
1k
4k
BA9755S
XRAYIN
13
XREF
14
VCC
1k 1k
4k
50k
VCC
1k
20
R23 50
74.45k
VREG6
15
1960
960
25k 20.01k
295
590
VCC
1k
55
VCC
PROTOUT
17
61.335k
760
380
VREG9
ESD16
16
25k 10.01k
144
200
VCC
18
20k
50k
20k
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet BA9755.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| BA9755 | High voltage controller for CRT displays | ROHM Semiconductor |
| BA9755S | High voltage controller for CRT displays | ROHM Semiconductor |
| BA9756 | High-voltage control circuit for CRT displays | ROHM Semiconductor |
| BA9756FS | High-voltage control circuit for CRT displays | ROHM Semiconductor |
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