TDA2170

TDA2170 TV VERTICAL DEFLECTION OUTPUT CIRCUIT . . . . The functions incorporated are : POWER AMPLIFIER FLYBACK GENERATOR REFERENCE VOLTAGE THERMAL PROTECTION MULTIWATT 11 (Plastic Package) DESCRIPTION The TDA2170 is a monolithic integrated circuit in 11-lead Multiwatt® package. It is a high efficiency power booster for direct driving of vertical windings of TV yokes. It is intended for use in Colour are B & W television receivers as well as in monitors and displays. PIN CONNECTIONS ORDER CODE : TDA2170 11 10 9 8 7 6 5 4 3 2 1 Tab connected to Pin 6 NC GND REFERENCE VOLTAGE OUTPUT STAGE SUPPLY OUTPUT GND FLYBACK GENERATOR SUPPLY VOLTAGE NON INVERTING INPUT INVERTING INPUT NC December 1992 1/7 2170-01.EPS TDA2170 BLOCK DIAGRAM +VS 4 8 5 Fly back Generator 2 Power Amplif ier 7 3 Reference Volt age Thermal Protect ion YOKE 9 6 10 SCHEMATIC DIAGRAM 7 4 D4 Q11 C1 Q10 3 Q7 2 Q1 Q2 Q4 D1 Q14 Q5 Q15 Q3 Q16 Q19 R1 D2 R2 R3 R7 R8 R9 Q17 Q22 Q6 Q9 Q8 R6 Q18 R11 D6 D7 Q13 D3 R4 D5 R5 D8 Q12 R12 8 Q20 Q21 D9 5 C2 R12 Q23 Q24 R14 Z1 R13 Q25 R15 6 10 9 R16 R17 R18 2170-03.EPS Q26 Z2 Q27 Q28 Q29 2/7 2170-02.EPS TDA2170 ABSOLUTE MAXIMUM RATINGS Symbol Vs V7 , V8 V5 V2 , V3 Io Io Io I5 I5 Ptot Tstg, Tj Supply Voltage (pin 4) Flyback Peak Voltage Voltage at Pin 5 Amplifier Input Voltage Output Peak Current (non repetitive, t = 2 msec) Output Peak Current at f = 50 Hz, t ≤ 10 µsec Output Peak Current at f = 50 Hz, t > 10 µsec Pin 5 DC Current at V7 < V4 Pin 5 Pe...