LB11923V

Ordering number : ENN7498 Monolithic Digital IC LB11923V Three-Phase Brushless Motor Driver Overview The LB11923V is a pre-driver IC designed for variablespeed control of 3-phase brushless motors. It can be used www.DataSheet4U.com to implement a motor drive circuit with the desired output capacity (voltage, current) by using discrete transistors for the output stage. It implements direct PWM drive for minimal power loss. Since the LB11923V includes a builtin VCO circuit, applications can control the motor speed arbitrarily by varying the external clock frequency. Package Dimensions unit: mm 3277-SSOP44 [LB11923V] 15.0 44 23 Features Direct PWM drive output Speed discriminator + PLL speed control circuit Speed lock detection output Built-in crystal oscillator circuit Forward/reverse switching circuit Braking circuit (short braking) Full complement of on-chip protection circuits, including lock protection, current limiter, and thermal shutdown protection circuits. 1 (0.68) 0.65 0.22 5.6 7.6 22 (1.5) 1.7max 0.2 SANYO: SSOP44 (275 mil) Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Maximum input current Output current Allowable power dissipation 1 Allowable power dissipation 2 Operating temperature Storage temperature Symbol VCC max IREG max IO max Pd max1 Pd max2 Topr Tstg VREG pin UH, VH, WH, UL, VL, and WL outputs Independent IC When mounted on the specified PCB (114.3 × 76.1 × 1.6 mm glass epoxy PCB) Condition...