LA5522 Application Circuit

  
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LA5522 Application Circuit It works briefly as follows: When the supply voltage vcc motor mechanical or negative change when the load changes,
LA5522 Application Circuit - schematic

can cause changes in motor speed. And speed proportional to the anti-electric potential E. Marrow also change accordingly the voltage across the motor also changes. From adjustable resistor 1, 4 on two sampled voltage v ,. Reflects these voltage changes, delivered to the error amplifier inverting input terminal, compare it with the inverting input of the reference voltage VREF, the error amplifier controls the two rear base of the transistor, the output voltage (pin 3) is adjusted. 3-pin output voltage and V. . There was a negative relationship between the feedback control, the results tend to be closed-loop control to maintain a constant speed.




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