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LB1980H Datasheet(PDF) 6 Page - Sanyo Semicon Device

Part # LB1980H
Description  Three-Phase Brushless Motor Driver for VCR Capstan Motors
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1980H Datasheet(HTML) 6 Page - Sanyo Semicon Device

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Block Diagram
No. 5974-6/8
LB1980H
Control
amplifier
Reference
voltage
About
0.43
× VCC
Forward/
reverse
selection
Differential
distribution and
torque ripple
correction
block
Drive distribution circuit
and lower side saturation
prevention circuit
Feedback
amplifier
FG amplifier
Antilogarithm
conversion
and
differential
distribution
Upper side
saturation
prevention
control
Output stage


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