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Ordering number : ENA2229
LB11899J
Monolithic Digital IC
Three-in-One Motor Driver for Portable VCR
Overview
LB11899J is a three-in-one motor driver for portable VCR.
Function
• Capstan motor drive unit 3-phase, 120 degrees full conducting, direct PWM drive Built in PWM oscillator Current limiter (It is fixed internally and setup externally.) Forward/reverse rotation 2 levels FG amplifier (Built-in gain resistor) Control amplifier output pin Over voltage protection function Built-in
• Drum motor drive unit 3-phase, 120 degrees full conducting soft switching sensorless drive FG sensorless function 2 levels PG amplifier FG and PG mixing output (Separated output is also possible.