The Unitrode UC3172A is a full bridge power amplifier designed for demanding servo applications such as head positioning in high-density disk drives. The device operates with 5V or 12V supplies and includes precision current sensing via a single resistor, along with protection features like current limiting and thermal shutdown.
| Continuous Output Current | 1A |
|---|---|
| Standby Current | < 1.8mA |
| Quiescent Supply Current | 13mA |
| Total Vsat at 1A | 1.65V |
| Thermal Shutdown Temperature | 165 °C |
The device is rated for a continuous output current of 1A.
The maximum operating junction temperature is +150°C.