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Now downloading free:SGS-THOMSON TDA8175

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Mfg:SGS-THOMSON
Model:TDA8175 🔎
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Group:Electronics > Components > Integrated circuits
Uploaded:01-04-2005
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File name TDA8175.pdf

TDA8175 TV VERTICAL DEFLECTION OUTPUT CIRCUIT . . . . . POWER AMPLIFIER FLYBACK GENERATOR AUTOMATIC PUMPING COMPENSATION THERMAL PROTECTION REFERENCE VOLTAGE DESCRIPTION The TDA8175 is a monolithic integrated circuit in HEPTAWATT package. It is a high efficiency power booster for direct driving of vertical windings of TV yokes. It is intended for use in Color and B & W television sets as well as in monitors and displays. PIN CONNECTIONS 7 6 5 4 3 2 1 INPUT OUTPUT STAGE SUPPLY OUTPUT GROUND FLYBACK GENERATOR SUPPLY VOLTAGE INVERTING INPUT HEPTAWATT (Plastic Package) ORDER CODE : TDA8175 Tab connecte dto Pin 4 BLOCK DIAGRAM 1000µ F 35V +VS 0.1µ F 1N4001 35V 220µ F 6 3 Flyback Generator 2 Variable Gain Amplifier 1 Power Amplifier 5 1.5 Thermal Protection 7 Variable Gain Amplifier 0.1µF 200 YOKE 15k 22k 4 8.2k 1000µF 16V 2 8175-02.EPS September 1993 1/3 8175-01.EPS TDA8175 ABSOLUTE MAXIMUM RATINGS Symbol VS V5, V6 V3 V1, V7 IO IO Supply Voltage (PIn 2) Flyback Peak Voltage Voltage at PIn 3 Amplifier Input Voltage Output Peak Current (non-repetitive, t = 2ms) Output Peak Current at : f = 50 or 60Hz, t 10µs f = 50 or 60Hz, t > 10µs Pin 3 DC Current at V5 < V2 Pin 3 Peak-to-peak Flyback Current at f = 50 or 60Hz, tfly 1.5ms Total Power Dissipation at Tcase = 70 C Storage and Junction Temperature o Parameter Value 35 60 +VS +VS 2.5 3 2 100 3 20 -40, +150 Unit V V A A A mA A W o 8175-01.TBL 8175-03.TBL 8175-02.TBL I3 I3 Ptot Tj, Tstg C THERMAL DATA Symbol R th (j-c) Parameter Junction-case Thermal Resistance Max. Value 3 Unit o C/W ELECTRICAL CHARACTERISTICS (VS = 35V, Tamb = 25oC unless otherwise specified) Symbol I2 I6 I1 V3 V5 V5 V5 VO G VO V7 R7 Tj Parameter Pin 2 Quiescent Current Pin 6 Quiescent Current Amplifier Input Bias Current Pin 3 Saturation to GND Quiescent Output Voltage Output Saturation Voltage to GND Output Saturation Voltage to Supply Ramp Amplitude versus Voltage Supply AC Gain DC Output Voltage Accuracy Internal Bias Input Resistance Junction Temperature for Thermal Shutdown V1 = 1V I3 = 20mA VS = 35V, Ra = 39k I5 = 1.2A I5 = 0.7A -I5 = 1.2A -I5 = 0.7A 22V < VS < 30V VS = 26V 0.54 Test Conditions Min. Typ. 18 16 -0.1 1 19 1 0.7 1.6 1.3 4 0.61 8 2.7 50 140 0.67 1.4 1 2.2 1.8 Max. 36 36 -1 1.5 Unit mA mA µA V V V V V V %/V V % V k o C THERMAL PROTECTION The thermal protection circuit intervenes when the die temperatures reaches 150oC and turns-off the output power device. PUMPING COMPENSATION The device incorporates a special preampliflier, the gain of which varies with changes in supply voltage. This functionallows perfect compensationof height variations caused by changes in brightness. 2/3 TDA8175 PACKAGE MECHANICAL DATA :9 PINS - PLASTIC HEPTAWATT L E L1 M1 A C D1 L2 L5 L3 G1 H3 Dia. G2 G M D L6 Dimensions A C D D1 E F F1 G G1 G2 H2 H3 L L1 L2 L3 L5 L6 L7 M M1 Dia. Min. Millimeters Typ. H2 L7 2.4 1.2 0.35 0.6 2.41 4.91 7.49 10.05 16.97 14.92 21.54 22.62 2.6 15.1 6 2.8 5.08 3.65 2.54 5.08

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