Overview
The LB1817M is the ideal IC for applications requiring a 5 V, low-profile FDD spindle motor driver.

Functions and Features
• Three phase total wave linear driver (external PNP)
• Low saturation voltage
• On-chip digital speed control
• Start/stop circuit (“L” level active)
• Rotation speed switching
• Current limiter circuit
• On-chip index processing circuit
• Index timing supports adjustments using VR
• AGC circuit
• Temperature protection circuit