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LB1910

Sanyo
Part Number LB1910
Manufacturer Sanyo
Description FDD Spindle Motor Driver
Published Apr 25, 2005
Detailed Description Ordering number : EN5383 Monolithic Digital IC LB1910 FDD Spindle Motor Driver Overview The LB1910 is a 3-phase disc ...
Datasheet PDF File LB1910 PDF File

LB1910
LB1910

Overview
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 output voltage Leakage current Output saturation voltage Output leakage current Current limiter Control amplifier voltage gain Voltage gain difference between phases V/I conversion source current V/I conversion sink current V/I conversion current ratio DSC buffer input current FG Schmitt hysteresis Speed discriminator counts Discriminator operating frequency Oscillator frequency range Index output low-level voltage Index output leakage current FG amplifier voltage gain FG amplifier input offset ...


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