Overview
The LB1987, LB1987D, LB1987M, and LB1987H are optimal capstan motor drivers for use in VCR sets.

Functions
• Three-phase full-wave current-linear drive
• Torque ripple correction circuit (fixed correction ratio)
• Current limiter circuit with control characteristics gain switching
• Oversaturation prevention circuits for both the upper and lower sides of the output stage (No external capacitors are required.)
• FG amplifier
• Thermal shutdown circuit