lb1910 Sanyo Semiconductor Corporation, lb1910 Datasheet
lb1910
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lb1910 Summary of contents
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... Ordering number : EN5383 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. Functions and Features • Three-phase full-wave linear driver • Digital speed control circuit • Start and stop circuits (active low) • ...
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... FG amplifier input offset amplifier internal reference voltage Thermal shutdown temperature TSD * Hysteresis TSD * Note: * Items marked with an asterisk are design target values and are not measured. LB1910 = Conditions = 0.7 A, sink + source min typ ...
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... U phase phase U phase phase V phase phase V phase phase W phase Note: Hall input high levels are defined as: U > > > LB1910 – IN – – IN No. 5383-3/7 ...
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... Block Diagram LB1910 No. 5383-4/7 ...
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... – L: 0.4 V max 4.5 V min LB1910 Equivalent circuit diagram U phase Hall element input V phase Hall element input W phase Hall element input Minus side connection for providing the Hall bias current This pin becomes open in the stopped state, thus cutting the Hall bias current. ...
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... LB1910 Equivalent circuit diagram Start/stop mode switching This is an active-low input. Rotational speed switching Reference clock input A 1-MHz input frequency corresponds to speeds of 300 and 360 rpm. • Ground • This pin, pin 14, and the frame must all be grounded together ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of December, 1997. Specifications and information herein are subject to change without notice. LB1910 Equivalent circuit diagram U phase output V phase output ...