TDA2170.pdf

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TV VERTICAL DEFLECTION OUTPUT CIRCUIT
TDA2170
TV VERTICAL DEFLECTION OUTPUT CIRCUIT
. FLYBACK GENERATOR
. REFERENCE VOLTAGE
. THERMAL PROTECTION
MULTIWATT 11
(Plastic Package)
DESCRIPTION
The TDA2170 is a monolithic integrated circuit in
11-lead Multiwatt
ORDER CODE : TDA2170
package. It is a high efficiency
power booster for direct driving of vertical windings
of TV yokes. It is intended for use in Colour are B
& W television receivers as well as in monitors and
displays.
)
PIN CONNECTIONS
11
10
9
8
7
6
5
4
3
2
1
NC
GND
REFERENCE VOLTAGE
OUTPUT STAGE SUPPLY
OUTPUT
GND
FLYBACK GENERATOR
SUPPLY VOLTAGE
NON INVERTING INPUT
INVERTING INPUT
NC
Tab connected to Pin 6
December 1992
1/7
. POWER AMPLIFIER
The functions incorporated are :
20664519.002.png
TDA2170
BLOCK DIAGRAM
+V S
4
8
5
Fly back
Generator
2
Power
A mplif ier
7
3
Reference
Volt age
Thermal
P rotect ion
YOKE
9
6
10
SCHEMATIC DIAGRAM
7
4
D4
Q11
C1
Q12
R12
8
Q10
D5
R5
3
D3
R4
Q20
D9
Q7
D8
2
Q1
Q2
Q6
D6
D7
Q21
Q9
Q13
5
Q4
Q8
D1
R6
R11
Q14
Q18
Q5
Q15
Q17
Q3
Q22
Q16
Q19
R1
D2
R2
R3
R7
R8
R9
C2
R12
Q23
Q26
Q24
R14
Z1
R13
Q27
Z2
Q28
Q25
Q29
R15
R16
R17 R18
6
10
9
2/7
20664519.003.png
TDA2170
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V s
Supply Voltage (pin 4)
35
V
V 7 ,V 8
Flyback Peak Voltage
60
V
V 5
Voltage at Pin 5
+ V s
V 2 ,V 3
Amplifier Input Voltage
+ V s – 0.5
V
I o
Output Peak Current (non repetitive, t = 2 msec)
2.5
A
I o
Output Peak Current at f = 50 Hz, t
3
10
m
sec
3
A
I o
Output Peak Current at f = 50 Hz, t > 10
m
sec
2
A
I 5
Pin 5 DC Current at V 7 <V 4
100
mA
I 5
Pin 5 Peak to Peak Flyback Current at f = 50 Hz, t fly
3
1.5 msec
3
A
P tot
Total Power Dissipation at T case =60 ° C
30
W
T stg ,T j
Storage and Junction Temperature
– 40 to 150
° C
THERMAL DATA
Symbol
Parameter
Value
Unit
R th (j-c)
Thermal Resistance Junction-case
Max
3
° C/W
R th (j-a)
Thermal Resistance Junction–ambient
Max
40
°
C/W
ELECTRICAL CHARACTERISTICS
(refer to the test circuits, V S =35V, T amb =25 ° C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit Fig.
I 4
Pin 4 Quiescent Current
I 5 =0;I 7 =0;V 3 = 3 V
8
16
mA
1a
I 8
Pin 8 Quiescent Current
I 5 =0;I 7 =0;V 3 =3V
16
36 mA 1a
I 3
Amplifier Input Bias Current
V 3 = 1 V
– 0.1 – 1
m
A
1a
I 2
Amplifier Input Bias Current
V 2 = 1 V
– 0.1 – 1
m
A
1a
V 9
Reference Voltage
I 9 = 0
2.2
V
1a
D
V 9
Reference Voltage Drift vs. Supply Voltage
V S = 15 to 30 V
1
2
mV/V 1a
D
V S
V 5L
Pin 5 Saturation Voltage to GND
I 5 =20mA
1
V
1c
V 7
Quiescent Output Voltage
V S =35V;R a =13k
W
18
V
1d
V S =15V;R a =13k
W
7.5
V
1d
V 7L
Output Saturation Voltage to GND
I 7 = 1.2 A
1
1.4
V
1c
I 7 = 0.7 A
0.7
1
V
1c
V 7H
Output Saturation Voltage to Supply
– I 7 = 1.2 A
1.6
2.2
V
1b
–I 7 = 0.7 A
1.3
1.8
V
1b
R 9
Reference Voltage Output Resistance
2.1
k
W
T j
Junction Temperature for Thermal Shut
Down
140
°
C
3/7
20664519.004.png
TDA2170
Figure 1 : DC Test Circuits
Figure 1a : Measurement of I 2 ;I 3 ;I 4 ;I 8 ;I 9 ;
D
Figure 1b : Measurement of V7 H
V 9 /
D
V S ;R9
S 1 : (a) I 2 ; (b) I 3 ,I 4 and I 8 .
S 2 : (a) I 4 and I 8 ; (b) I 3 ; (c) I 2 .
S 3 : (a) I 2 , 3 ,I 4 ,I 8 , 9 and V 9 ; (b) R9.
Figure 1c : Measurement of V 5L ,V 7.L .
Figure 1d : Measurement of V 7 .
S1 : (a) V 5L ; (b) V 7L .
Figure 2 : Application Circuit
4/7
20664519.005.png
TDA2170
Figure 3 : PC Board and Component Layout (1:1 scale)
COMPONENTS LIST FOR TYPICAL APPLICATIONS
110
°
TVC
110
°
TVC
90
°
TVC
Component
/10mH
1.95 App
W
9.6
/ 24.6 mH
1.2 App
15
/30mH
0.82 App
Unit
RT1
10
4.7
10
k
W
R1
12
10
12
k
W
R2
10
5.6
5.6
k
W
R3
27
12
18
k
W
R4
12
8.2
5.6
k
W
R5
0.82
1
1
W
R6
270
330
330
W
R7
1.5
1.5
1.5
W
D1
1N 4001
1N 4001
1N 4001
–
C1
0.1
0.1
0.1
m F
C2 el.
1000/25 V
470/25 V
470/25 V
m
F
C3 el.
220/25 V
220/25 V
220/25 V
m F
C4
0.22
0.22
0.22
m F
C5 el.
2200/25 V
2200/25 V
1000/16 V
m
F
C6 el.
4.7/16 V
4.7/16 V
10/16 V
m F
5/7
5.9
W
W
20664519.001.png

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