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Ordering number : ENA0377A
LB11988V
Monolithic Digital IC
Fan Motor Driver
http://onsemi.com
Overview
LB11988V is a motor driver IC optimal for driving the DC fan motors.
Functions
• Three-phase full-wave current linear drive • Built-in current limiter circuit • Built-in saturation prevention circuits in both the upper and lower sides of the output stage • Forward/backward rotation direction setting circuit built in • FG amplifier • Thermal shutdown circuit
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
Maximum output current Allowable power dissipation
VCC max VS max IO max Pd max
Independent IC
24 V 24 V 1.3 A 0.