Ordering number : ENA1915A LB11868V Monolithic Digital IC For Fan Motor Variable Speed Single-phase Full-wave Pre-driver http://onsemi.com Overview LB11868V is a single-phase bipolar driving motor pre-driver with the variable speed function compatible with external PWM signal.
With a few external parts, a highly-efficient and highly-silent variable drive fan motor with low power consumption can be achieved.
This product is best suited for driving of the server requiring large air flow and lar