LB11822

www.DataSheet4U.com Ordering number : ENN7105 Monolithic Digital IC LB11822 Three-Phase Brushless Motor Driver for OA Products Overview The LB11822 is a three-phase brushless motor driver that is optimal for driving drum and paper feed motors in laser printers and plain paper copiers. This IC adopts a direct PWM drive technique for minimal power loss. Flexible control of motor speed in response to an externally provided clock frequency (corresponding to the FG frequency) can be implemented by using the LB11822 in conjunction with the Sanyo LB11825M. Package Dimensions unit: mm 3147B-DIP28H [LB11822] 28 15 R1.7 12.7 11.2 8.4 Functions and Features Three-phase bipolar drive (30 V, 3.1 A) Direct PWM drive Built-in low side inductive kickback absorbing diode Speed discriminator + PLL speed control Speed locked state detection output Built-in forward/reverse switching circuit Full complement of built-in protection circuits, including current limiter circuit, thermal protection circuit, and motor lock protection circuit. 1 20.0 27.0 14 1.93 1.78 0.6 1.0 4.0 4.0 SANYO: DIP28H Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Supply voltage Output current Allowable power dissipation 1 Allowable power dissipation 2 Operating temperature Storage temperature Symbol VCC max IO max Pd max1 Pd max2 Topr Tstg T ≤ 500 ms Independent IC When infinitely large heat sink Conditions Ratings 30 3.1 3 20 –20 to +80 –55 to +150 Unit V A W W °C °C Any an...