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