Si9993CS
Vishay Siliconix
Si9993
12-V VCM/Spindle Motor Driver for Large Capacity HDD
FEATURES
• 12-V Motor Supply • Blocking
Schottky Diode Replaced by External Synchronous Rectifier • Spindle Motor Driver Features: – External LITTLE FOOT® Drivers for High Current/Power Application – Constant Off-Time PWM Current Drive Minimizing Power Dissipation – Sensorless Motor Commutation Immune to PWM Noise – Externally Controlled Start-Up/Run Function – Low-Jitter Commutation Output for External Speed Control – Level Shifting Buffer Amplifier for PWM DAC – Adjustable Output Slew Rate Control – Unique Commutation Driver Minimizing Audible Noise – Programmable Phase Advance for High Speed Motor – Spe...