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SI9961 Datasheet PDF - Vishay Semiconductors

Part NameDescriptionManufacturer
SI9961 12-V Voice Coil Motor Driver Vishay
Vishay Semiconductors Vishay
SI9961 Datasheet PDF : SI9961 pdf   
SI9961 image

DESCRIPTION
The Si9961 is a linear actuator (voice coil motor) driver suitable for use in disk drive head positioning systems. The Si9961 contains all of the power and control circuitry necessary to drive the VCM that is typically found in 31/2-inch hard disk drives and optical disk drives. The driver is capable of delivering 1.8 A at a nominal supply of 12 V.

FEATURES
● 1.8-A H-Bridge Output
● Class B Linear Operation
● Externally Programmable Gain and Bandwidth
● Undervoltage Head Retract
● Programmable Retract Current
● Low Standby Current
● Rail-to-Rail Output Swing
● Single 12-V Supply
● System Voltage Monitor with Fault Output

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