조절 가능 PWM 모듈 -TL494, 300hz - 100Khz
(Adjustable PWM Module -TL494)
개요
- 본 제품은 조절 가능 PWM 모듈 -TL494입니다.
- 7-40V를 입력 받아서 사용할 수 있으며 모듈상의 포텐셔미터 R5, R6를 이용하여 duty cycle과 주파수를 조절할 수 있습니다.
- 출력 PWM 주파수는 300hz - 100Khz 범위내에서 duty cycle은 96%까지 조절이 가능합니다.
- TL494 칩 기반으로 디자인되었습니다.
특징
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Working voltage: DC 7V-40V
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Operating frequency 500Hz-100kHz (adjustable R6)
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Maximum output current: 250mA
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Output voltage: DC 5V
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Size: 26 x 23mm
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문서
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Instructions:Connect VCC to DC 7V-40V, as shownThe red indicator light indicates that the module power supply is working properly.Connect the OUT interface of this module to the positive terminal of the oscilloscope signal input terminal, and GND to the negative terminal of the oscilloscope signal input terminal.Adjust the duty cycle and frequencyAmong them, adjusting the potentiometer R5 is to adjust the duty cycle, and adjusting the potentiometer R6 is to adjust the frequency.Adjust the output frequency to more than 700 Hz, as shown belowPWM driveAfter adjusting the required frequency and duty cycle, directly connect OUT to the positive input terminal of the driving circuit, and GND to the negative input terminal of the driving circuit.