.
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