Application Information - Philips TDA4861 Datasheet

Philips Semiconductors
Vertical deflection power amplifier for
monitors

APPLICATION INFORMATION

handbook, full pagewidth
handbook, full pagewidth
VOLTAGE
STABILIZER
1
V P1
9 V
470
F
150 k
from TDA4850
V-shift
Fig.5 Application for flyback voltage generation by doubling the supply voltage.
1997 Jan 20
8
TDA4861
5
Fig.4 GUARD circuit application on vertical output.
VERTICAL
DRIVER
DIFFERENTIAL
INPUT
AMPLIFIER
2 3
BAX13
1.8 k
1.8 k
1 M
V P3
BAX13
2.2
2N5819
vertical
output
signal
TDA4861
THERMAL AND
SOAR
PROTECTION
VERTICAL
OUTPUT
4 5
V P2 V-OUT
5.6
270
0.1 F
5.25 mH
yoke
R1
1
8
V P
1 k
3.3 k
BC548
22 F 220 k
MEH362
FLYBACK
DRIVER
FLYBACK
GENERATOR
6 7 8
SUB FLB V P3
C2 100 F
R2 240
470 F
V N
7.8 V
Product specification
TDA4861
GUARD output
HIGH = error
PULSE
CIRCUIT
9
PCO
R PCO
10 k
MEH359