Application of the constant current source circuit by the W7805


Posted on Mar 28, 2007

Circuit as shown with W7805 positive current source application integration circuit composed of the regulator. CKS integrated voltage regulator circuit illustrated W7805 work i


Application of the constant current source circuit by the W7805
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n suspension. After between its output terminal and the common terminal a resistor, a constant current is formed, so that the current flowing through the load RL, and then back to the power supply. Select W7805 regulator output voltage is low, mainly to improve efficiency. Adjust the size of R, it can change the value of a constant current source (of course, the regulator can not exceed the maximum output current). Output current corresponding to the formula:




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