DESCRIPTION
PIN CONNECTIONS (top view) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 FLYBACK SUPPLY BLANKING OUTPUT AMPLIFIER INPUT (-) AMPLIFIER INPUT (+) RAMP OUTPUT RAMP GENERATOR GROUND HEIGHT ADJUSTMENT OSCILLATOR SYNC. INPUT OSCILLATOR OSCILLATOR AMPLIFIER SUPPLY AMPLIFIER OUTPUT 1675A-01.EPS Tab connected to Pin 8 September 1993 1/11 TDA1675A BLOCK DIAGRAM + +V S BLANKING OUT 13 14 2 + C f BLANK GENERATOR AND CRT PROTECTION 6 VOLTAGE REGULATOR FLYBACK GENERATOR 15 11 Ro 4 Co 3 OSCILLATOR RAMP GENERATOR R3 + CLOCK PULSE POWER AMP. - 1 Ly Ry Iy YOKE R1 R2 12 Re 7 SYNC. SYNC. BUFFER STAGE THERMAL PROTECTION Ra 7 9 10 8 Rb Rc + + Ca Cc LIN 1675A-02.EPS HEIGHT Rd Cb Rf ABSOLUTE MAXIMUM RATINGS
Symbol VS V1, V2 V5 V11, V12 V13 IO IO IO I15 I15 Ptot Tstg, Tj Supply Voltage at Pin 14 Flyback Peak Voltage Sync. Input Voltage Power Amplifier Input Voltage Voltage at Pin 13 Output Current (non repetitive) at t = 2ms Output Peak Current at f = 50Hz t > 10µs Output Peak Current at f = 50Hz t ≤ 10 µs Pin 15 Peak-to-peak Flyback Current at f = 50Hz, tfly ≤ 1.5ms Pin 15 D.C.
STMicroelectronics
