TELEFUNKEN Semiconductors
TEA 8172
1
Rev. A1: 17.07.1995
TV Vertical Deflection Output Amplifier
Technology: Bipolar
Features
D Output peak current, I
5
= 2 A
D Flyback current, peak to peak, I
3
= 3 A
D Thermal protection, T
j
140
C
Case:
7 leads special plastic case
Block diagram
Flyback
generator
Power
amplifier
Thermal
protection
2
3
5
1
7
6
4
+
Deflection
coil
+ VS
94 8723
Figure 1 Block diagram
Pin Configuration
Pin
Function
1
Inverted input
2
Supply voltage
3
Flyback generator
4
Ground
Pin
Function
5
Output
6
Output stage supply
7
Non
inverted input
TELEFUNKEN Semiconductors
TEA 8172
2
Rev. A1: 17.07.1995
Absolute Maximum Ratings
Parameters
Symbol
Value
Unit
Supply voltage
Pin 2
V
S
35
V
Flyback peak voltage
Pins 5 and 6
V
5, 6
60
V
Voltage at pin 3
V
3
V
S
V
Input voltage
Pins 1 and 7
V
1, 7
V
S
V
Output peak current:
Pin 5
t = 2 ms, non repetitive
f = 50/60 Hz, t
v 10 ms
f = 50/60 Hz, t > 10
ms
I
O
2.5
3.0
2.0
A
DC current at pin 3, V
5 <
V
2
I
3
100
mA
Flyback current peak to peak,
Pin 3
f= 50/60 Hz, t
fly
1.5 ms
I
3
3
A
Power dissipation,
T
case
= 70
C
P
tot
20
W
Storage temperature
T
stg
40 to + 150
C
Junction temperature
T
j
40 to + 150
C
Thermal Resistance
Parameters
Symbol
Maximum
Unit
Junction case
R
thJC
3
K/W
Electrical Characteristics
V
S
= 35 V, T
amb
= 25
C, reference point Pin 4 (GND), see test circuits, unless otherwise specified
Parameters
Test Conditions / Pin
Symbol
Min
Typ
Max
Unit
Quiescent current
I
3
= 0, I
S =
0
Pin 2
I
3
= 0, I
S =
0
Pin 6
figure 2
I
2
I
6
8
16
16
36
mA
Input quiescent current
V
1
= 1 V
Pin 1
figure 3
I
1
0.1
1
mA
Saturation voltage to GND
I
3
= 20 mA
Pin 3
figure 4
V
3-4
1
1.5
V
Output voltage
V
S
= 35 V, R
r
= 39 k
W
figure 5
Pin 5
V
5
18
V
Saturation voltage to GND
I
5
= 0.7 A
Pin 5
I
5
= 1.2 A
figure 6
V
5-4
0.7
1.0
1.0
1.4
V
Saturation voltage to
supply
I
5
= 0.7 A
Pin 5
I
5
= 1.2 A
figure 7
V
5-6
1.3
1.6
1.8
2.2
V
Junction temperature for
thermal shut down
T
j
140
C
TELEFUNKEN Semiconductors
TEA 8172
4
Rev. A1: 17.07.1995
Dimensions in mm
7 leads special plastic case
We reserve the right to make changes without further notice to improve technical design.
Parameters can vary in different applications. All operating parameters must be validated for each customer
application by customer. Should Buyer use TEMIC products for any unintended or unauthorized application, Buyer
shall indemnify TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any
claim of personal damage, injury or death associated with such unintended or unauthorized use.
TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Telephone: 49 (0)7131 67 2831, Fax Number: 49 (0)7131 67 2423
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