M51970L Application Example
Source: InternetPublisher:国民男神经 Keywords: Motor BSP multivibrator Updated: 2020/03/05
The voltage range of this circuit is 2. 5 ~ 17V, and the rated voltage is 9V. When Rsc -
27n, the typical output current limit is 27mA. The allowable power consumption is 550mW. The
monostable multivibrator completes the F/V conversion function, and its pulse width
is determined by the external resistor RT and capacitor CT connected to pin 1. This RrCT time constant determines the motor speed.
It is recommended to use RT= (10-500) kn. As shown in the figure, RT: 75kfl, Cr-.
0.022yF, p=10, the motor speed is about 3055r/min.
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