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 mo.
Three-in-One Motor Driver
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.) Over voltage protection function Built-in
• Loading motor drive unit H-bridge forward/reverse rotation Motor voltage switch Short brake Input control for 3 values Over voltage protection function Built-in
• Common unit Over-heat protection function (Thermal Shut Down)
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
IC power source voltage
VCC max
Motor power source 1 Motor power source 2 Motor power source 2 Applied input voltage
CVCO max DVCO max LVCO max VI1 max
Motor output current1
ICOUT max
Peak current
Motor output current2
IDOUT max
Peak current ( within 2sec)
IDOUT2max
Constant current
Motor output current3
ILOUT max
Peak current (within 2sec)
ILOUT2max
Constant current
ORDERING INFORMATION
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