.
RAMPGENERATOR
.
INDEPENDENTAMPLITUDEADJUSTEMENT
.
BUFFERSTAGE
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POWERAMPLIFIER
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FLYBACKGENERATOR
.
THERMALPROTECTION
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INTERNAL REFERENCE VOLTAGE DECOUPLING
TDA8174A
TDA8174AW
VERTICALDEFLECTIONCIRCUIT
MULTIWATT11
(Plastic Package)
ORDER CODE :TDA8174A
DESCRIPTION
TDA8174Aand TDA8174AWareamonolithicintegratedcircuits.
It is a full performance and very efficient vertical
deflection circuit intendedfor direct drive of a TV
picturetube in Color andB & W television as well
as in Monitorand Datadisplays.
PIN CONNECTIONS(topview)
10
9
8
7
6
5
4
3
2
1
CLIPWATT11
(Plastic Package)
ORDER CODE :
FLYBACKGENERATOR11
V
S
INVERTING INPUT
BUFFEROUTPUT
RAMPGENERATOR
GROUND
VOLTAGEREF DECOUPLING
HEIGHT ADJUSTMENT
TRIGGERINPUT
OUTPUT STAGEV
POWEROUTPUT
TDA8174AW
S
February 1997
8174A-01.EPS
1/5
TDA8174A- TDA8174AW
BLOCKDIAGRAM
FLYBACK
GENERATOR
POWER
AMP.
THERMAL
68
2
11
1
TRIG-IN
TDA8174A
5
3
10
VOLTAGE
REGULATOR
RAMP
GENERATOR
BUFFER
STAGE
794
R3
CLOCK
PULSE
PROTECTION
ABSOLUTE MAXIMUMRATINGS
Symbol Parameter Value Unit
V
S
V
1,V2
V
3
V
9
I
0
I
0
I
11
I
11
P
tot
T
stg
T
T
amb
Supply Voltage 35 V
Flyback Peak Voltage 65 V
Trigger Input Voltage 20 V
Amplifier Input Voltage GND, V
S
Output Peak-to-peak Current (non repetitive t = 2ms) 6 A
Output Peak-to-peak Current t > 10µs4A
Pin 11 DC Current at V1<V
10
Pin 11 Peak-to-peak Current @ t
Total Power Dissipation @ T
tab
< 1.5ms 3 A
fly
=60°C30W
100 mA
Storage Temperature – 40, +150
Junction Temperature 0, +150
j
Ambient Temperature 0, +70 °C
8174A-02.EPS
V
C
°
C
°
8174A-01.TBL
THERMAL DATA
Symbol Parameter Value Unit
R
th (j-tab)
R
th(j-a)
DC ELECTRICALCHARACTERISTICS (V
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
2
I
10
–I
7
–I
7
dI
7/I7
V
1
V
1L
V
1H
2/5
Thermal Resistance Junction-tab Max. 3 °C/W
Thermal Resistance Junction-ambient Max. 40
= 35V ; T
S
=25oC unlessotherwisespecified)
amb
Pin 2 Quiescent Current I1=0,I11= 0 16 36 mA
Pin 10 Quiescent Current I1=0,I11= 0 15 30 mA
Ramp GeneratorBias Current V7= 0 0.5 µA
Ramp GeneratorCurrent V7=0,–I4=20µA 18.5 20 21.5
Ramp GeneratorLinearity V6= 0 to 15V,–I4=20µA 0.2 1 %
Quiescent Output Voltage Ra= 30kΩ,Rb= 10kΩ,Vs= 35V 17.0 17.8 18.6 V
R
= 6.8kΩ,Rb= 10kΩ,Vs= 15V 7.2 7.5 7.8 V
a
Out Saturation Voltage to GND I1= 0.5A 0.5 1 V
I
= 1.2A 1 1.4 V
1
Out Saturation Voltage to V
s
–I1= 0.5A 1.1 1.6 V
–I
= 1.2A 1.6 2.2 V
1
C/W
°
8174A-02.TBL
A
µ
8174A-03.TBL