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File name:TDA 8174A_AW.pdf
[preview TDA 8174A/AW]
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Mfg:ST
Model:TDA 8174A/AW 🔎
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Descr:Circuito de deflexão vertical usado em chassis Vestel
Group:Electronics > Components > Integrated circuits
Uploaded:19-03-2007
User:Reparal
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File name TDA 8174A_AW.pdf

TDA8174A TDA8174AW VERTICAL DEFLECTION CIRCUIT . . . . . . . RAMP GENERATOR INDEPENDENT AMPLITUDE ADJUSTEMENT BUFFER STAGE POWER AMPLIFIER FLYBACK GENERATOR THERMAL PROTECTION INTERNAL REFERENCE VOLTAGE DECOUPLING MULTIWATT11 (Plastic Package) ORDER CODE :TDA8174A DESCRIPTION TDA8174Aand TDA8174AWare 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 television as well as in Monitor and Data displays. PIN CONNECTIONS (top view) CLIPWATT11 (Plastic Package) ORDER CODE :TDA8174AW 11 10 9 8 7 6 5 4 3 2 1 FLYBACK GENERATOR VS INVERTING INPUT BUFFER OUTPUT RAMP GENERATOR GROUND VOLTAGE REF DECOUPLING HEIGHT ADJUSTMENT TRIGGER INPUT OUTPUT STAGE V S POWER OUTPUT 8174A-01.EPS February 1997 1/5 TDA8174A - TDA8174AW BLOCK DIAGRAM TDA8174A 10 2 5 VOLTAGE REGULATOR FLYBACK GENERATOR 11 R3 TRIG-IN 3 RAMP GENERATOR CLOCK PULSE POWER AMP. 1 BUFFER STAGE THERMAL PROTECTION 8174A-02.EPS 4 7 8 9 6 ABSOLUTE MAXIMUM RATINGS Symbol VS V1, V2 V3 V9 I0 I0 I11 I11 Ptot Tstg Tj Tamb Parameter Supply Voltage Flyback Peak Voltage Trigger Input Voltage Amplifier Input Voltage Output Peak-to-peak Current (non repetitive t = 2ms) Output Peak-to-peak Current t > 10µs Pin 11 DC Current at V1 < V10 Pin 11 Peak-to-peak Current @ tfly < 1.5ms Total Power Dissipation @ Ttab = 60°C Storage Temperature Junction Temperature Ambient Temperature Value 35 65 20 GND, VS 6 4 100 3 30 ­ 40, +150 0, +150 0, +70 Unit V V V V A A mA A W °C °C °C THERMAL DATA Max. Max. 8174A-02.TBL 8174A-03.TBL Symbol R th (j-tab) Rth(j-a) Parameter Thermal Resistance Junction-tab Thermal Resistance Junction-ambient Value 3 40 Unit °C/W °C/W DC ELECTRICAL CHARACTERISTICS (VS = 35V ; Tamb = 25oC unless otherwise specified) Symbol I2 I10 ­I7 ­I7 dI7/I7 V1 V1L V1H Parameter Pin 2 Quiescent Current Pin 10 Quiescent Current Ramp Generator Bias Current Ramp Generator Current Ramp Generator Linearity Quiescent Output Voltage Out Saturation Voltage to GND Out Saturation Voltage to Vs Test Conditions I1 = 0, I11 = 0 I1 = 0, I11 = 0 V7 = 0 V7 = 0, ­I4 = 20µA V6 = 0 to 15V, ­I4 = 20µA Ra = 30k, Rb = 10k, Vs = 35V Ra = 6.8k, Rb = 10k, Vs = 15V I1 = 0.5A I1 = 1.2A ­I1 = 0.5A ­I1 = 1.2A Min. Typ. 16 15 20 0.2 17.8 7.5 0.5 1 1.1 1.6 Max. 36 30 0.5 21.5 1 18.6 7.8 1 1.4 1.6 2.2 Unit mA mA µA µA % V V V V V V 18.5 17.0 7.2 2/5 8174A-01.TBL TDA8174A - TDA8174AW DC ELECTRICAL CHARACTERISTICS (continued Symbol V4 dV4/Vs dV4/d I4 V5 VD11-10 VD1-2 GV Vfs V11 V3 I3 t3 Parameter Reference Voltage Reference Voltage Drift Versus Vs Reference Voltage Drift Versus I4 Internal Reference Voltage Diode Fwd Voltage Diode Fwd Voltage Output Stage Open Loop Gain V10-11 Saturation Voltage Pin 11 Scanning Voltage Trigger Input Threshold Trigger Input Bias Current Trigger Input Width Test Conditions ­I4 = 20µA Vs = 10V to 35V I4 = 10µA to 30µA ID = 1.2A ID = 1.2A f = 100Hz ­I11 = 1.2A I11 =

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