Ordering number : EN6088B
LB1976
Monolithic Digital IC
For Fan Motor
3-phase Brushless Motor Driver
http://onsemi.
com
Overview
The LB1976 is a 3-phase brushless motor driver IC suited for use in direct PWM driving of DC fan motors for air conditioners, water heaters, and other similar equipment.
Since a shunt regulator circuit is built in, single power supply operation sharing the same power supply for the motor is supported.
Features
• Withstand
voltage 60V, output current 2.
5A • Direct PWM drive output • 3 built-in output top-side diodes • Built-in current limiter • Built-in FG output circuit
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter Supply
voltage
Output current...