Current limiter circuit with control characteristics gain switching.
Output stage upper/lower oversaturation prevention circuit (No external capacitor required).
FG amplifier built in.
Thermal shutdown circuit built in. Absolute Maximum Ratings at Ta = 25°C
Parameter Maximum power supply voltage Symbol VCC max VS max Maximum output current.
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Ordering number : EN8791
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LB11889M
Overview
Monolithic Digital IC
For VCR Capstan
Three-Phase Brushless Motor Driver
The LB11889M is three-phase brushless motor driver for VCR capstan motors.
Features
• 3-phase full-wave current linear drive. • Torque ripple correction circuit (fixed correction ratio). • Current limiter circuit with control characteristics gain switching. • Output stage upper/lower oversaturation prevention circuit (No external capacitor required). • FG amplifier built in. • Thermal shutdown circuit built in.