LB11669MC

Ordering number : ENA2075 LB11669MC Monolithic Digital IC For Fan Motor Two-Phase Half-Wave Driver http://onsemi.com Overview The LB11669MC is a two-phase uni-polar brushless motor driver for fan motor. Functions Two-phase half-wave drive. incorporated. RD (lock detection) outputs incorporated. FG (rotation detection) outputs incorporated. Thermal shutdown circuit incorporated. Lock protection and automatic return function Output protection zener diode incorporated. Hall input amplifier incorporated. Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum inflow current IIN max 100 mA Output current IOUT ave 400 mA IOUT peak Only when starting and lock protection is activated 800 mA Output withstand voltage VOUT max Internal V FG/RD output current IFG/RD max 10 mA FG/RD output withstand voltage VFG/RD max 30 V Allowable power dissipation Pd max Mounted on a board * 750 mW Operating temperature Topr -30 to +85 °C Storage temperature Tstg -55 to +150 °C * Specified board : 114.3mm × 76.1mm × 1.6mm, glass epoxy board. Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time. Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current, high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us...