DESCRIPTION
PIN CONNECTIONS (top view) INVERTING INPUT V S1 N.C. FLYBACK SENSE OUTPUT N.C. OUTPUT SUPPLY REFERENCE VOLTAGE 1 2 3 4 5 6 7 8 16 15 14 13 GND 12 11 10 9 8173-01.EPS May 1993 1/4 TDA8173 BLOCK DIAGRAM +VS 2 7 4 Flyback Generator TDA8173 1 Power Amplifier 5 8 Reference Voltage Thermal Protection YOKE 9 10 11 12 13 14 15 16 ABSOLUTE MAXIMUM RATINGS
Symbol VS V5 V4 V1, V8 Io Io Io I4 I4 Ptot Tstg, Tj Supply Voltage (pin 2) Flyback Peak Voltage Voltage at Pin 4 Amplifier Input Voltage Output Peak Current (non repetitive, t = 2 ms) Output Peak Current at f = 50 or 60 Hz, t ≤ 10 µs Output Peak Current at f = 50 or 60 Hz, t > 10 µs Pin 4 DC Current at V5 < V2 Pin 4 Peak to Peak Flyback Current at f = 50 or 60 Hz, tfly ≤ 1.5 ms Total Power Dissipation at Tcase = 60 °C Storage and Junction Temperature Parameter Value 35 60 + Vs + Vs – 0.5 2.5 3 2 100 3 6 – 40 to 150 V A A A mA A W °C 8173-01.TBL 8173-02.TBL Unit V V THERMAL DATA Symbol Rth (j–c) Rth (j–a) Parameter Thermal Resistance Junction-case Thermal Resistance Junction-ambient Max.
STMicroelectronics
