TDA8171

TDA8171 VERTICAL DEFLECTION BOOSTER . . . . . . POWER AMPLIFIER FLYBACK GENERATOR THERMAL PROTECTION OUTPUT CURRENT UP TO 3.0APP FLYBACK VOLTAGE UP TO 70V (on Pin 5) INTERNAL REFERENCE VOLTAGE DESCRIPTION Designed for monitors and high performance TVs, the TDA8171 vertical deflection booster delivers flyback voltages up to 70V. The TDA8171 operates with supplies up to 35V and provides up to 3APP output current to drive the yoke. The TDA8171 is offered in HEPTAWATT package. PIN CONNECTIONS 7 6 5 4 3 2 1 Tab connected to Pin 4 NON-INVERTING INPUT + REFERENCE VOLTAGE OUTPUT STAGE SUPPLY OUTPUT GROUND FLYBACK GENERATOR SUPPLY VOLTAGE INVERTING INPUT HEPTAWATT (Plastic Package) ORDER CODE : TDA8171 BLOCK DIAGRAM SUPPLY VOLTAGE 2 OUTPUT STAGE SUPPLY 6 FLYBACK GENERATOR 3 FLYBACK GENERATOR REFERENCE VOLTAGE INVERTING INPUT 1 10kΩ NON-INVERTING + REFERENCE VOLTAGE 7 POWER AMPLIFIER THERMAL PROTECTION 5 OUTPUT TDA8171 4 GROUND December 1998 1/4 8171-02.EPS 8171-01.EPS TDA8171 ABSOLUTE MAXIMUM RATINGS Symbol VS V6 V1 , V7 IO I3 I3 VESD Toper Tstg Tj Notes : 1. 2. 3. 4. Parameter Supply Voltage (Pin 2) (see Note 1) Flyback Peak Voltage (Pin 6) (see Note 1) Amplifier Input Voltage (Pins 1-7) (see Note 1) Maximum Output Peak Current (see Notes 2 and 3) Maximum Sink Current (first part of flyback) (t < 1ms) Maximum Source Current (t < 1ms) Electrostatic Handling for all pins (see Note 4) Operating Ambient Temperature Storage Temperature Junction Temperature Versus Pin 4. T...