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Numéro de référence | BA9756 | ||
Description | High-voltage control circuit for CRT displays | ||
Fabricant | ROHM Semiconductor | ||
Logo | |||
1 Page
Multimedia ICs
BA9756FS
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
!Block diagram
20 19 18 17 16 15 14 13 12 11
VCC1
VCC2
!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%.
–+
++
–
Buffer
SAW GEN.
M/M
9.0V
REF
GND
1 2 3 4 5 6 7 8 9 10
!Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Power supply voltage 1
VCC1
18
Power supply voltage 2
Power dissipation
VCC2
Pd
20
750*1
Operating temperature
Topr
- 25~+80
Storage temperature
Tstg
- 55~+125
*1 When mounted on a 70mm × 70mm × 1.6mm glass epoxy board.
Reduced by 7.5mW for each increase in Ta of 1˚C over 25˚C.
Unit
V
V
mW
˚C
˚C
!Recommended operating conditions (Ta=25°C)
Parameter
Power supply voltage 1
Power supply voltage 2
Symbol
VCC1
VCC2
Min.
11
11
Typ.
-
-
Max.
17
17
Unit
V
V
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Pages | Pages 9 | ||
Télécharger | [ BA9756 ] |
No | Description détaillée | Fabricant |
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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