LB11972V

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 Internal allowable loss Symbol Operating temperature Storage temperature * Specified board (114.3×76.1×1.6mm : Glass epoxy) Operating Range at Ta = 25°C Parameter Supply voltage w w w t a .D VO max VI max IO max Pd max1 Pd max2 Topr Tstg Symbol VCC VCC max S a Conditions e h U 4 t e .c m o Ratings 15.0 15.0 -0.3 to VCC+0.3 1.0 0.5 1.0 -30 to +85 -55 to +150 Unit V V V A W W °C °C Independent IC Mounted on a specified board.* Conditions Ratings 7 to 13.8 Unit V w w w .D a S a t e e h U 4 t m o .c O3005 MS PC B8-7113 No.8797-1/8 LB11972V Electrical Characteristics at Ta = 25°C, VCC = 12V Parameter Circuit current Output saturation voltage 1 Output saturation voltage 2 MCOM pin common-phase input voltage range PCOUT output current 1 PCOUT output current 2 VCONIN input ...