View tda2170 datasheet:

TDA2170 TV VERTICAL DEFLECTION OUTPUT CIRCUIT The functions incorporated are : . POWER AMPLIFIER . FLYBACK GENERATOR . REFERENCE VOLTAGE . THERMAL PROTECTION MULTIWATT 11 (Plastic Package) DESCRIPTION ORDER CODE : TDA2170 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 11 NC 10 GND 9 REFERENCE VOLTAGE 8 OUTPUT STAGE SUPPLY 7 OUTPUT 6 GND 5 FLYBACK GENERATOR 4 SUPPLY VOLTAGE 3 NON INVERTING INPUT 2 INVERTING INPUT 1 NC Tab connected to Pin 6 December 1992 1/7 2170-01.EPS TDA2170 BLOCK DIAGRAM +VS 4 8 5 Flyback Gene