Ordering number : ENN8797
Monolithic Digital IC
LB11972V
Overview
3-Phase Sensorless Motor Driver for Fan Motor Driver for Refrigerator
The LB11972V is a 3-phase full-wave current linear sensorless motor driver.
It is optimal for refrigerator fan motor drive.
Functions
• Three-phase sensor-less motor driver • Current linear drive • Built-in current limiting circuit • Built-in output stage saturation preventive circuit • With coil counter-electromotive FG output • Built-in thermal shutdown circuit • Built-in beat lock preventive circuit
Specitications
Absolute Maximum Ratings at Ta = 25°C
Parameter Supply
voltage Output application
voltage Input application
voltage Output current Intern...