The TDA1872A is a monolithic integrated circuit in a 15‑lead MULTIWATT package designed for direct drive of the yoke of 110° color TV picture tubes. It can also be used in portable CTVs, black‑and‑white TVs, monitors and displays.
The document lists the pin‑out, absolute maximum ratings, DC and AC electrical characteristics, thermal data, and several example application circuits that illustrate how to use the internal ramp generator, synchronization, blanking, and flyback functions.
| Supply Voltage (Pin 14) max | 36 V |
|---|---|
| Flyback Peak Voltage (V1, V2) max | 60 V |
| Synchronous Input Voltage max | 20 V |
| Output Current (non‑repetitive) max | 3 A |
| Output Peak Current at 50 Hz max | 35 A |
| Maximum Power Dissipation | 30 W |
| Storage Temperature range | -40 °C to 150 °C |
| Thermal Junction‑case resistance | 3 °C/W |
| Thermal Junction‑ambient resistance | 40 °C/W |
The maximum supply voltage is 36 V at pin 14.
The device can be stored from –40 °C to 150 °C.
It is a vertical deflection circuit intended for direct drive of the yoke of 110° color TV picture tubes.