TDA8179FS
TV VERTICALDEFLECTION BOOSTER
May 1993
Output Stage Supply
Output
GND
SupplyVoltage
InvertingInput
Tabconnectedto pin 4
7
6
5
4
3
2
1
Non-invertingInput
Flyback Supply Voltage
8179F-01.EPS
PIN CONNECTIONS
HEPTAWATT
(Plastic Package)
ORDER CODE : TDA8179FS
.POWER AMPLIFIER
.FLYBACK SUPPLY VOLTAGESEPARATED
.THERMAL PROTECTION
DESCRIPTION
Designed for monitors and high performance TVs,
the TDA8179FSvertical deflectionboosteris able
to workwith a flybackvoltagemorethanthedouble
of VS.
The TDA8179FSoperateswith suppliesup to 42V,
flyback output up to 92V and provides up to 2App
output current to driveto yoke.
The TDA8179FS is offered in HEPTAWATT pack-
age.
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YOKE
+V
S
26
POWER
AMPLIFIER
THERMAL
PROTECTION
4
5
1
7
+ V FLYBACK
3
8179F-02.EPS
BLOCK DIAGRAM
YOKE
+VS
26 3
4
5
1
7
+VF
IN OUT
TDA8179FS
VREF
8179F-03.EPS
Note :For values see Easy Design of Vertical Deflection Stages” (software available from our sales offices)
APPLICATION CIRCUIT
TDA8179FS
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ABSOLUTE MAXIMUMRATINGS
Symbol Parameter Value Unit
VSSupply Voltage (pin 2) 50 V
VFFlyback Supply Voltage 100 V
VF-V
SDifference between Flyback Supply Voltageand Supply Voltage 50 V
V1,V
7Amplifier Input Voltage + VS
IOOutput Peak Current Non-repetitive, t = 2ms
f = 50 or 60Hz, t 10µs
f = 50 or 60Hz, t > 10µs
2
2
1.8
A
I3Pin 3 Peak Flyback Current at f = 50 or 60Hz, tfly 1.5ms 1.8 A
Ptot TotalPower Dissipation at TC=70
oC20W
Tstg Storage Temperature - 40, + 150 oC
TjJunction Temperature 0, +150 oC
8179F-01.TBL
THERMAL DATA
Symbol Parameter Value Unit
Rth (j-c) Junction-case Thermal Resistance Max. 3 oC/W
8179F-02.TBL
ELECTRICAL CHARACTERISTICS
(V7=2.2V, VS=42V, TA=25oC, unlessotherwisespecified)
(refer to the testcircuits - see Figure 1 nextpage)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VSOperating Supply Voltage Range 10 42 V
I2Pin 2 Quiescent Current I3=0 I
5= 0 10 20 mA
I6Pin 6 Quiescent Current I3=0 I
5= 0 20 40 mA
I1Amplifier Bias Current V1= 1V - 0.2 - 1 µA
V5Quiescent Output Voltage VS= 42V Ra= 3.9k
VS= 35V Ra= 5.6k23.4
17 24.2
17.8 25
18.5
V
V5L Output Saturation Voltage to GND I5= 1A 1.2 1.5 V
V5H Output Saturation Voltage to Supply - I5= 1A 2.2 2.6 V
VD5 - 6 Diode Forward Voltagebetween Pins 5-6 ID= 1A 1.5 3 V
VD3 - 6 Diode Forward Voltagebetween Pins 3-6 ID= 1A 1.5 3 V
R1Input Resistance 200 k
TjJunction Temperature for Thermal
Shutdown 140 oC
8179F-03.TBL
TDA8179FS
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FIGURE 1 : DC Test Circuits
26
5
1
74
+V
S
I6
I2
I1
1V
S1 a
b
V7
10k
TDA8179FS
8179F-04.EPS
S1 :(a) I2and I6, (b) I1
Figure1a : Measurement of I1,I
2,I
6
26
51
4
+V
S
1V
V5H
5
-I
7
V7
TDA8179FS
8179F-05.EPS
Figure 1b : Measurementof V5H
26
51
4
+V
S
V
Re
39k
7
V7
5
TDA8179FS
8179F-07.EPS
Figure 1d : Measurementof V5
26
5
1
4
+VS
3
3V V5L
5
I
7
V7
TDA8179FS
8179F-06.EPS
Figure1c : Measurement of V5L
TDA8179FS
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* For single non repetitive pulse
Pulse Operation*
1ms
10ms
DC
Operation
I max.pulsed
C
I max. continued
C
V (V)
CE
I (A)
10110
2
10
10
1
10
-1
-2
C
2
1.2
8179F-08.EPS
Figure2 : SOAof EachOutput Power Transistor at TA=25oC
TDA8179FS
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L2
L3L5
L7
L6
Dia.
A
C
D
E
D1
H3
H2
FG
G1
G2
L1
L
MM1
F1
PM-HEPTV.EPS
PACKAGE MECHANICAL DATA : HEPTAWATT
Information furnished is believed tobe accurate and reliable. However,SGS-THOMSON Microelectronics assumes no responsibility
for the consequences of use of suchinformation nor for any infringement of patents or other rights of third parties which may result
from its use. No licence is granted by implication or otherwiseunder anypatent or patent rights ofSGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previously supplied.SGS-THOMSON Microelectronics products are not authorized for useas critical components in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
1994 SGS-THOMSON Microelectronics - All Rights Reserved
Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips
I2C Patent. Rights to use these components in a I2C system,is granted provided that the system conforms to
the I2C Standard Specifications as defined by Philips.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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Dimensions Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
A 4.8 0.189
C 1.37 0.054
D 2.4 2.8 0.094 0.110
D1 1.2 1.35 0.047 0.053
E 0.35 0.55 0.014 0.022
F 0.6 08 0.024 0.031
F1 0.9 0.035
G 2.41 2.54 2.67 0.095 0.100 0.105
G1 4.91 5.08 5.21 0.193 0.200 0.205
G2 7.49 7.62 7.8 0.295 0.300 0.307
H2 10.4 0.409
H3 10.05 10.4 0.396 0.409
L 16.97 0.668
L1 14.92 0.587
L2 21.54 0.848
L3 22.62 0.891
L5 2.6 3 0.102 0.118
L6 15.1 15.8 0.594 0.622
L7 6 6.6 0.236 0.260
M 2.8 0.110
M1 5.08 0.200
Dia. 3.65 3.85 0.144 0.152
HEPTV.TBL
TDA8179FS
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