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LD7000

Ldic
Part Number LD7000
Manufacturer Ldic
Description Spindle/VCM Controller and Pre-driver
Published Oct 11, 2006
Detailed Description www.DataSheet4U.com LD7000 Spindle/VCM Controller and Pre-driver DESCRIPTION The LD7000 Servo and Spindle Predriver, a ...
Datasheet PDF File LD7000 PDF File

LD7000
LD7000

Overview
www.
DataSheet4U.
com LD7000 Spindle/VCM Controller and Pre-driver DESCRIPTION The LD7000 Servo and Spindle Predriver, a CMOS monolithic integrated circuit housed in a 64-lead TQFP package operates from +5 V and +12 V supplies.
It is designed to drive a voice coil actuator and a 3-phase, Hall-sensorless motor with external power MOSFETs.
The device is intended for use in 12 V disk drive applications.
The actuator driver includes a saturation detector to monitor the loop compensation amplifier for saturation, an uncommitted opamp for input signal conditioning, a voltage reference to provide a precise voltage level for internal PWM buffers, and reduced power dissipation.
The spindle driver incl...


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