LB1910

Ordering number : EN5383 Monolithic Digital IC LB1910 FDD Spindle Motor Driver Overview The LB1910 is a 3-phase disc drive motor driver that is optimal for use as a 3.5-inch FDD spindle motor driver. Package Dimensions unit: mm 3222-HSOP28 [LB1910] Functions and Features Three-phase full-wave linear driver Digital speed control circuit Start and stop circuits (active low) RPM switching H: 300 rpm L: 360 rpm Current limiter circuit Built-in index comparator Thermal shutdown 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 to +80 –40 to +150 Unit V A A W °C °C Allowable Operating Ranges at Ta = 25°C Parameter Recommended supply voltage Symbol VCC Conditions Ratings 4.2 to 6.5 Unit V SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 43096HA (OT) No. 5383-1/7 LB1910 Electrical Characteristics at Ta = 25°C, VCC = 5 V Parameter Current drain SL bias current SL input low-level voltage SL input high-level voltage S/S bias current S/S low-level voltage S/S high-level voltage Hall amplifier input bias current Common-mode input voltage range Differential input voltage range Hall bias ...