TDA8170
TV VERTICAL DEFLECTION OUTPUT CIRCUIT
....The functions incorporated are :
POWER AMPLIFIER
FLYBACK GENERATOR
REFERENCE VOLTAGE
THERMAL PROTECTION
DESCRIPTION
The TDA8170 is a monolithic integrated circuit in
HEPTAWATTTM package. It is a high efficiency
power booster for direct driving of vertical windings
of TV yokes. It is intended for use in Colour and B
& W television receivers as well as in monitors and
displays.
PIN CONNECTIONS
7
6
5
4
3
2
1
Tab connected to Pin 4
HEPTAWATT
(Plastic Package)
ORDER CODE : TDA8170
REFERENCE VOLTAGE AND NON-INVERTING INPUT
OUTPUT STAGE SUPPLY
OUTPUT
GROUND
FLYBACK GENERATOR
SUPPLY VOLTAGE
INVERTING INPUT
BLOCK DIAGRAM
+ VS
26
RE FERENCE
VOLTAGE
3
FLYBACK
GENE R ATOR
1
7
TDA8170
PO WER
AMPLIFIER
4
5
THERMAL
P ROTECTION
December 1997
1/7
No Preview Available !

1 page



Figure 3 : PC Board and Component layout of the Circuit of fig. 2(1 : 1 scale)
C2
R5
C1
C5
R2
TDA8170
D1
R1
R3
R4
R6
C3
R7
C6
R11
TDA8170
GND VS YOKE YOKE GND V7 IN
( VO )
COMPONENTS LIST FOR TYPICAL APPLICATIONS
Component
RT1
R1
R2
R3
R4
R5
R6
R7
D1
C1
C2 eI.
C3 eI.
C4
C5 eI.
C6 eI.
C7
110 ° TVC
5.9 Ω/10 mH
1.95 App
10
12
10
27
12
0.82
270
1.5
1N 4001
0.1
1000/25 V
220/25 V
0.22
200/25 V
4.7/16 V
1.0/16V
110 ° TVC
9.6 Ω/24.6 mH
1.2 App
4.7
10
5.6
12
8.2
1
330
1.5
1N 4001
0.1
470/25 V
220/25 V
0.22
2200/25 V
4.7/16 V
1.0/16V
90 ° TVC
15 Ω/30 mH
0.82 App
10
12
5.6
18
5.6
1
330
1.5
1N 4001
0.1
470/25 V
220/25 V
0.22
1000/16 V
10/16 V
1.0/16V
Unit
kΩ
kΩ
kΩ
kΩ
kΩ
Ω
Ω
Ω
–
µF
µF
µF
µF
µF
µF
µF
5/7

5 Page