LB1913 - Sanyo

LB1913 FDD Spindle Motor Driver

Ordering number : EN5503 Monolithic Integrated IC LB1913 FDD Spindle Motor Driver Overview The LB1913 is a three-phase disk drive motor driver IC that is optimal for use as a 3.5-inch floppy disk drive spindle motor driver. Package Dimensions unit: mm 3222-HSOP28 [LB1913] Functions and Features • • • • • • • • Three-phase full-wave linear drive On-chip .

Features

•
•
•
•
•
•
•
• Three-phase full-wave linear drive On-chip digital speed control Start and stop circuits (active low) Speed switching High: 300 rpm, Low: 360 rpm Current limiter circuit Index comparator circuit Index delay circuit Thermal protection circuit SANYO: HSOP28 Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Maximum output current Maximum steady-state output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max IO max1 IO max2 Pd max Topr Tstg Independent IC t ≤ 0.5 s Conditions Ratings 7.0 1.0 0.7 0.5
  –20 .