LS7263 Application Circuit Example

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4 Application examples of applications are given in the figure, it is a Winchester disk drives three-phase brushless DC motor, the operating speed is 3600r/min. Although the or
LS7263 Application Circuit Example - schematic

iginal design of the circuit operating speed is 3600r/min, but other speed may also be used. For example, the use of LS7263-02 circuit, with the government 2.68MHz crystal oscillator oscillator, plus a tachometer signal to divide the circuit, you can get an accurate 5400R/mn. If the crystal oscillator circuit with a variable frequency oscillator instead of t LS7263 also allows the motor to work in 1500r/min or less speed.

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