SGS Thomson Microelectronics TDA8176 Datasheet

.

SYNCHRONIZATION CIRCUIT

.

OSCILLATOR A ND RA MP GENERATO R

.

HIGH POWER GAIN AMPLIFIER

.

FLY BACK GENERATOR

.

VOLT AGE REGULATOR

TDA8176

TV VERTICAL DEFLECTION SYSTEM

FOR TV AND MONITORS

DESCRIPTION

The TDA8176 is a monolithic integrated circuit in
Multiwatt 15 package. It is intended for us e in color
TV sets and monitors.

PIN CONNECTIONS

Tab connected

to Pin 8

BLOCK DIAGR AM

12

MULTIWATT 15

(Plastic Package)

ORDER CODE : TDA8176

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

5 11

7

OSCILLATOR
SYNC. INPUT
HEIGHT ADJUSTMENT
REGULATOR VOLTAGE
POWER AMPLIFIER V
N.C.
POWER AMPLIFIER OUT
GROUND
FLYBACK
N.C.
VOLTAGE SUPPLY
RAMP OUT
RAMP GENERATOR
COMPENSATION
AMPLIFIER

S

8176-01.EPS

15

14

November 1992

OSCILLATOR

SYNC

CIRCUIT

VOLTAGE

REGULATOR

RAMP

GENERATOR

313

FLYBACK

GENERATOR

BUFFER

STAGE

POWER

AMPLIFIER

PREAMPLIFIER

148

9

2

8176-02.EPS

1/5

TDA8176

ABSOL UTE MAX IM UM R ATING S

Symbol Parameter Value Unit

V

5

, V

V

4

V

10

I

o

I

o

I

o

I

3

I

3

I

8

P

tot

, TjStorage and Junction Temperature – 40, + 150 °C

T

stg

THERMAL DA TA

Symbol Parameter Value Unit

R

th (j–c)

R

th (j–a)

Supply Voltage at Pin 2 35 V
Flyback Peak Voltage 60 V

5

Power Amplifier Input Voltage + 10

– 0.5
Output Peak Current (non repetitive) at t = 2 ms 2 A
Output Peak Current at f = 50 Hz t ≤ 10 µs 2.5 A
Output Peak Current at f = 50 Hz t > 10 µs 1.5 A
Pin 3 DC Current at V4 < V

2

Pin 3 Peak to Peak Flyback Current for f = 50 Hz, t

≤ 1.5 ms 1.8 A

fly

100 mA

Pin 8 Current ± 20 mA
Power Dissipation at T

at T

= 90 °C

tab

= 80 °C

amb

20

1.4

Thermal Resistance Junction-case Max. 3 °C/W
Thermal Resistance Junction-ambient Max. 50 °C/W

V
V

W
W

8176-01.TBL

8176-02.TBL

AC ELECTRICAL CHARACTERIST ICS

(refer to the test circuit, V

Symbol Parameter Test Conditions Min. Typ. Max. Unit

I

s

I

14

V

9

V

15

t

fly

f

o

∆f Synchronization Range I

f

∆

∆V

∆f




∆T

tab



Supply Current Iy = 1 App 140 mA
Sync. Input Current (positive or negative) 500 µA
Flyback Voltage Iy = 1 App 51 V
Peak to peak Oscillator Sawtooth Voltage 2.4 V
Flyback Time Iy = 1 App 0.7 ms
Free Running Frequency (P1 + R1) = 300kΩ

Frequency Drift with Supply Voltage Vs = 10 to 35 V 0.005 Hz/V

S



Frequency Drift with Tab Temperature T




= 25V ; f = 50Hz ; T

S

= 25oC, unless otherwise specified)

amb

C2 = 100 nF

+ R1) = 260kΩ

(P

1

C2 = 100 nF

= 0.5 mA 14 Hz

8

= 40 to 120 °C 0.01 Hz/°C

tab

44 Hz

52 Hz

8176-03.TBL

2/5