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TDA2270 Datasheet

Part Number TDA2270
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description TV VERTICAL DEFLECTION OUTPUT CIRCUIT
Datasheet TDA2270 DatasheetTDA2270 Datasheet (PDF)

TDA2270 TV VERTICAL DEFLECTION OUTPUT CIRCUIT . . . . . . . DRIVES VERTICAL DEFLECTION WINDINGS DIRECTLY HIGH EFFICIENCY INTERNAL FLYBACK GENERATOR THERMAL PROTECTION ON-CHIP VOLTAGE REFERENCE HIGH OUTPUT CURRENT (2.2 A peak) 16-LEAD POWERDIP PLASTIC PACKAGE DIP16 (Plastic package) ORDER CODE : TDA2270 PIN CONNECTIONS DESCRIPTION The TDA2270 is a high efficiency monolithic output stage for vertical deflection circuits in TVs and monitors. Driving the vertical windings directly, the device c.

  TDA2270   TDA2270






TV VERTICAL DEFLECTION OUTPUT CIRCUIT

TDA2270 TV VERTICAL DEFLECTION OUTPUT CIRCUIT . . . . . . . DRIVES VERTICAL DEFLECTION WINDINGS DIRECTLY HIGH EFFICIENCY INTERNAL FLYBACK GENERATOR THERMAL PROTECTION ON-CHIP VOLTAGE REFERENCE HIGH OUTPUT CURRENT (2.2 A peak) 16-LEAD POWERDIP PLASTIC PACKAGE DIP16 (Plastic package) ORDER CODE : TDA2270 PIN CONNECTIONS DESCRIPTION The TDA2270 is a high efficiency monolithic output stage for vertical deflection circuits in TVs and monitors. Driving the vertical windings directly, the device contains a power amplifier, flyback generator, voltage reference and thermal protection circuit. The TDA2270 is supplied in a 16-pin DIP with the four center pins connected together and used for heatsinking. BLOCK DIAGRAM SUPPLY VOLTAGE FLYBACK GENERATOR NC GND GND NC OUTPUT OUTPUT STAGE SUPPLY 1 2 3 4 5 6 7 8 16 15 NON-INVER TING INPUT INVERTING INPUT NC GND GND NC 2270-01.EPS 14 13 12 11 10 9 GND REFERENCE VOLTAGE +VS 1 8 2 FLYBACK GENERATOR 15 POWER AMP. 7 YOKE 16 REFER ENCE VOLTAGE THERMAL PROTECTION 4 9 12 13 10 5 September 1992 1/7 2270-02.EPS TDA2270 ABSOLUTE MAXIMUM RATINGS Symbol Vs V7 , V8 V2 V15, V16 Io Io Io I2 I2 Ptot Tstg, Tj Supply Voltage (pin 1) Flyback Peak Voltage Voltage at Pin 2 Amplifier Input Voltage Output Peak Current (non repetitive, t = 2 ms) Output Peak Current at f = 50 Hz, t ≤ 10 µs Output Peak Current at f = 50 Hz, t > 10 µs Pin 2 DC Current at V7 < V1 Pin 2 Peak to Peak Flyback Current at f = 50 Hz, tfly ≤ 1.5 ms Total Power Dissipat.


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