Ordering number: EN5634
Monolithic Digital IC
LB1895, 1895D 3-Phase Brushless Motor Driver for CD-ROM Spindle Motors
Overview
The LB1895 and LB1895D are 3-phase brushless motor drivers for use in CD-ROM spindle motors.
Package Dimensions
unit : mm
3222-HSOP28
[LB1895]
Functions and Features
.
Current linear drive .
V-type control amplifier built in .
Because the power supply for the bias circuit on the upper .
.
.
.
.
.
output side is separate, output with low saturation can be attained by boosting only that power supply.
(Effective when VCC = 5 V) Because current is detected on the upper side, there is no
voltage loss due to the RF resistance.
In addition, the RF
voltage reduces the ...