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TDA4864AJ Datasheet(PDF) 11 Page - NXP Semiconductors

Part No. TDA4864AJ
Description  Vertical deflection booster
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 11 page
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2003 Oct 31
11
Philips Semiconductors
Product specification
Vertical deflection booster
TDA4864J; TDA4864AJ
APPLICATION INFORMATION
handbook, full pagewidth
TDA4864J
22
µF
2
VF
5
VP
>1 kΩ
220 k
BC548
BC556
3.3 k
1N4448
2.2
guard output
HIGH = error
vertical
output
signal
Fig.8 Application circuit with TDA4864J for external guard signal generation.
handbook, full pagewidth
TDA4864J
470
µF
DIFFERENTIAL
INPUT
STAGE
VERTICAL
OUTPUT
76
5
4
3
2
1
REFERENCE
CIRCUIT
FLYBACK
GENERATOR
VP1
−8 V
VN
GND
1.8 k
1
(1 W)
deflection
coil
4.3
5.6
100
nF
BYV27
from
deflection controller
+50 V
THERMAL
PROTECTION
VFB
V-OUT
1.8 k
R1
470
µF
270
VF
VP2
RS1
470
µF
+9 V
VP
CS1
RP
R3
R2
D1
INN
INP
5.6
RS2
CS2
(1)
Fig.9 Application circuit with TDA4864J.
Attention: the heatsink of the IC must be isolated against ground of the application (it is connected to pin GND).
(1) With CS2 (typical value between 47 and 150 nF) the flyback time and the noise behaviour can be optimized.




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