SGS Thomson Microelectronics TDA8174W, TDA8174 Datasheet
.
RAMP GENERATOR
.
INDEPENDENTAMPLITUDEADJUSTEMENT
.
BUFFERSTAGE
.
POWERAMPLIFIER
.
FLYBACKGENERATOR
.
INTERNAL REFERENCE VOLTAGE
.
THERMAL PROTECTION
TDA8174
TDA8174W
VERTICALDEFLECTION CIRCUIT
MULTIWATT11
(Plastic Package)
ORDER CODE :TDA8174
DESCRIPTION
TDA8174 and TDA8174W are a monolithic integrated circuits.
It is a full performance and very efficient vertical
deflection circuit intended for direct drive of a TV
picture tube in Color and B & W televisionas well
as in Monitorand Data displays.
PIN CONNECTIONS(top view)
10
9
8
7
6
5
4
3
2
1
CLIPWATT11
(Plastic Package)
ORDER CODE :TDA8174W
FLYBACK GENERATOR11
V
S
INVERTING INPUT
BUFFER OUTPUT
RAMPGENERATOR
GROUND
N.C.
HEIGHT ADJUSTMENT
TRIGGER INPUT
OUT PUTSTAGEV
POWEROUTPUT
S
April 1996
8174-01.EPS
1/5
TDA8174 - TDA8174W
BLOCK DIAGRAM
FLYBACK
GENERATOR
POWER
AMP.
THERMAL
68
2
11
1
TRIG-IN
TDA8174
3
10
VOLTAGE
REGULATOR
RAMP
GENERATOR
BUFFER
STAGE
794
R3
CLOCK
PULSE
PROTECTION
ABSOLUTEMAXIMUMRATINGS
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 repetitivet = 2ms) 6 A
Output Peak-to-peak Currentt > 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 °C
Junction Temperature 0, +150 °C
j
Ambient Temperature 0, +70 °C
8174-02.EPS
V
8174-01.TBL
THERMALDATA
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 °C/W
=35V ; T
S
=25oC unlessotherwise specified)
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 µA
Ramp GeneratorLinearity V6= 0to 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 SaturationVoltage to GND I1= 0.5A 0.5 1 V
I
= 1.2A 1 1.4 V
1
Out SaturationVoltage to V
s
–I1= 0.5A 1.1 1.6 V
= 1.2A 1.6 2.2 V
–I
1
8174-02.TBL
8174-03.TBL
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