Overview
The LB1910 is a 3-phase disc drive motor driver that is optimal for use as a 3.5-inch FDD spindle motor driver.

Functions and Features
• Three-phase full-wave linear driver
• Digital speed control circuit
• Start and stop circuits (active low)
• RPM switching H: 300 rpm L: 360 rpm
• Current limiter circuit
• Built-in index comparator
• Thermal shutdown circuit