TDA8170 Datasheet, PDF (4/7 Pages) STMicroelectronics – TV VERTICAL DEFLECTION OUTPUT CIRCUIT

TDA8170
Figure 1a : Measurement of I₁, I₂, I₆, V₇,
∆V7/∆VS
+V_S
I₂
I₆
2
6
5
Figure 1b : Measurement of V_5H
2
6
+V_S
V_5H
TDA8170
7
4
V₇
10kΩ
S1 _a
1
b
I₁
1V
1
TDA8170
5
1V
4
-I₅
S1 : (a) I2 and I6 ; (b) I1
Figure 1c : Measurement of V_3L, V_5L
+V_S
I₃ or I₅
2
6
S1
3
a
b
1
TDA8170
3V
5
4
V_3L
V_5L
S1 : (a) V3L ; (b) V5L
Figure 1d : Measurement of V₅
+V_S
2
6
12kΩ
1
TDA8170
5
2V
4
V₅
R_a
5.6kΩ
Figure 2 : Application Schematic
1N4001
V_S
C1
C2
D1
C3
0.1µF 470µF
220µF
t_fly
2
63
C7 1µF
7
V₇
Iy
GND
V_i
R1
1
to
10kΩ
RT1
4.7kΩ
TDA8170
4
R3
5
C4
0.22µF
to
Ly
24.6mH
R7
R6
1.5Ω
330Ω
Ry
R4
9.6Ω
IN
12kΩ
C6
8.2kΩ
R2
4.7µF
C5
5.6kΩ
2200µF
R5 Iy
R5
to
1Ω
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