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TDA8179S
TV VERTICAL DEFLECTION BOOSTER

. . .

POWER AMPLIFIER FLYBACK GENERATOR THERMAL PROTECTION

DESCRIPTION Designed for monitors and high performance TVs, the TDA8179S vertical deflection booster delivers flyback voltages up to 90V. The TDA8179S operates with supplies up to 42V and provides up to 2App output current to drive to yoke. The TDA8179S is offered in HEPTAWATT package. PIN CONNECTIONS

HEPTAWATT (Plastic Package) ORDER CODE : TDA8179S

7 6 5 4 3 2 1

Non-inverting Input Output Stage Supply Output GND Flyback Generator Supply Voltage Inverting Input

Tab connected to pin 4
8179S-01.EPS

May 1993

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TDA8179S
BLOCK DIAGRAM
+ VS

2

6

3 FLYBACK GENERATOR

1
POWER AMPLIFIER

5 YOKE THERMAL PROTECTION

7

4

APPLICATION CIRCUIT
+ VS

2

6

3

IN VREF

1

TDA8179S

5

OUT

7 YOKE

4

Note : For values see "Easy Design of Vertical Deflection Stages" (software available from our sales offices)

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8179S-03.EPS

8179S-02.EPS

TDA8179S
ABSOLUTE MAXIMUM RATINGS
Symbol VS V5 , V6 V1 , V7 IO Supply Voltage (pin 2) Flyback Peak Voltage Amplifier Input Voltage Output Peak Current Non-repetitive, t = 2ms f = 50 or 60Hz, t 10µs f = 50 or 60Hz, t > 10µs I3 Ptot Tstg Tj Pin 3 DC at V5 < V2 Pin 3 Peak Flyback Current at f = 50 or 60Hz, tfly 1.5ms Total Power Dissipation at TC = 70 C Storage Temperature Junction Temperature
o

Parameter

Value 50 100 + VS

Unit V V A

2 2 1.8 100 1.8 20 - 40, + 150 0, +150 mA A
o o

C C

Symbol Rth (j-c)

Parameter Junction-case Thermal Resistance Max.

Value 3

Unit
o

C/W

ELECTRICAL CHARACTERISTICS (V7 = 2.2V, VS = 42V, TA = 25oC, unless otherwise specified) (refer to the test circuits - see Figure 1 next page)
Symbol VS I2 I6 I1 V3L V5 Parameter Operating Supply Voltage Range Pin 2 Quiescent Current Pin 6 Quiescent Current Amplifier Bias Current Scanning Voltage Quiescent Output Voltage VS = 42V VS = 35V V5L V5H VD5 - 6 VD3 - 2 R1 Tj Output Saturation Voltage to GND Output Saturation Voltage to Supply Diode Forward Voltage between Pins 5-6 Diode Forward Voltage between Pins 3-2 Input Resistance Junction Temperature for Thermal Shutdown I5 = 1A - I5 = 1A ID = 1A ID = 1A R a = 3.9k R a = 5.6k 23.4 17 24.2 17.8 1.2 2.2 1.5 1.5 200 140 25 18.5 1.5 2.6 3 3 V V V V k
o
8179S-03.TBL

Test Conditions I3 = 0 I3 = 0 V1 = 1V I3 = 20mA I5 = 0 I5 = 0

Min. 10

Typ. 10 20 - 0.2 1.3

Max. 42 20 40 -1 1.8

Unit V mA mA µA V V

C

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8179S-02.TBL

THERMAL DATA

8179S-01.TBL

W

TDA8179S
FIGURE 1 : DC Test Circuits Figure 1a : Measurement of I1, I2, I6
+ VS I2 I6

Figure 1b : Measurement of V5H
+ VS

2

6

V5H 2
5

6

TDA8179S
S1 1

10k

1
a b

TDA8179S

5

7

4 I1 V7 1V
8179S-04.EPS

7

4

-I5

1V

V

7

S1 : (a) I2 and I6, (b) I1

Figure 1c : Measurement of V3L, V5L
+ VS

Figure 1d : Measurement of V5
+ VS

I 3 or I 5
2 6

2

6

S1 3 a b
1

TDA8179S

5

1

TDA8179S
5
7 4 V7 39k V5

7

4 V 3L V 5L
Re
8179S-06.EPS

3V

V7

S1 : (a) V3L, (b) V5L

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8179S-07.EPS

8179S-05.EPS

TDA8179S
Figure 2 : SOAof Each Output Power Transistor at TA = 25oC
10 I C (A)

I C max. pulsed 2 1.2 1 I C max. continued

Pulse Operation*

1ms 10ms

10

-1

DC Operation

10

-2

1

10

10

2

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8179S-08.EPS

* For single non repetitive pulse

VCE (V)

TDA8179S
PACKAGE MECHANICAL DATA : HEPTAWATT
L E L1 M1 A C D1 L2 L5 L3 G1 H3 Dia. G2 G M D

L6

Dimensions Min. A C D D1 E F F1 G G1 G2 H2 H3 L L1 L2 L3 L5 L6 L7 M M1 Dia.

Millimeters Typ.

H2

L7

2.4 1.2 0.35 0.6 2.41 4.91 7.49 10.05 16.97 14.92 21.54 22.62 2.6 15.1 6 2.8 5.08 3.65 2.54 5.08 7.62

Max. 4.8 1.37 2.8 1.35 0.55 08 0.9 2.67 5.21 7.8 10.4 10.4

Min.

Inches Typ.

0.094 0.047 0.014 0.024 0.095 0.193 0.295 0.396 0.668 0.587 0.848 0.891 0.100 0.200 0.300

Max. 0.189 0.054 0.110 0.053 0.022 0.031 0.035 0.105 0.205 0.307 0.409 0.409

3 15.8 6.6

0.102 0.594 0.236 0.110 0.200

0.118 0.622 0.260
HEPTV.TBL

3.85

0.144

0.152

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information 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 otherwise under any patent or patent rights of SGS-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 use as 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 I C 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 Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
2

6/6

PM-HEPTV.EPS

F1

F