tda4863j NXP Semiconductors, tda4863j Datasheet - Page 11

• Manufacturer Part Number: tda4863j
• Description: Vertical Deflection Booster
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
2000 Aug 17
handbook, full pagewidth
handbook, full pagewidth
Vertical deflection booster
Attention: the heatsink of the IC must be isolated against ground of the application (it is connected to pin 4).
(1) With C
from TDA485X
S2
(typical value between 47 and 150 nF) the flyback time and the noise behaviour can be optimized.
DIFFERENTIAL
Fig.8 Application circuit with TDA4863J for external guard signal generation.
STAGE
INPUT
INP
7
TDA4863J
INN
6
1.8 k
1.8 k
R3
R2
Fig.9 Application circuit with TDA4863J.
R S2
5.6
C S2
2
5
vertical
output
signal
(1)
V F
1N4448
2.2
R P
270
R1
BC556
PROTECTION
5
V-OUT
(1 W)
deflection
coil
THERMAL
VERTICAL
1
5.6
R S1
OUTPUT
11
C S1
100
22 F
nF
3.3 k
8 V
GND
4
V N
470 F
220 k
3
V P2
1 k
GENERATOR
FLYBACK
V P
TDA4863J; TDA4863AJ
BC548
470 F
guard output
HIGH = error
MHB721
TDA4863J
50 V
V F
2
V FB
4.3
BYV27
D1
REFERENCE
CIRCUIT
Product specification
9 V
1
V P1
V P
470 F
MHB722