CW3805 type adjustable output voltage stabilized power supply circuit
Source: InternetPublisher:李商隐身 Keywords: Stabilized power supply circuit BSP Updated: 2021/07/26
It uses the CW 3085 eight-terminal adjustable positive output integrated voltage regulator. Its output voltage range
is 1. 6 ~ 37V, the current is 100mA, and the voltage adjustment rate is 0.025%/V.
In the figure, RP and Rz are sampling resistors . Adjusting the potentiometer RP can change the output voltage from 1.6 to 37V. Ri is the current limiting
protection resistor ; C3 is the vibration elimination capacitor; Ci, C2, and C4 are filter capacitors that can eliminate ripples. and noise, improving voltage quality.
If the positive terminal in the figure is connected to ground, the negative terminal can obtain a negative adjustable voltage.
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