CW104-204-304 type adjustable negative output voltage stabilized power supply circuit
Source: InternetPublisher:已注销 Keywords: Stabilized power supply circuit BSP Updated: 2021/02/20
It uses CW 104/204/304 type ten-terminal adjustable negative output integrated voltage regulator. Its output
voltage adjustment range is 0-40V, and the current is 20mA. The integrated voltage regulator itself has a static operating current of 3.5-5mA.
In the figure, Ri is the current limiting protection resistor; R2 is the constant current resistor; Cz and C3 are filter capacitors. Adjusting the potentiometer RP can change
the output voltage.
If the negative terminal in the figure is connected to ground, the positive terminal can obtain a positive adjustable voltage.
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