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Adjustable DC-DC mc34063 buck regulator power supply board maximum 500mA
Input voltage: DC 3V-30V
Output voltage: DC 1.25V-(Input Voltage-2V) is adjustable up to 22 volts
Maximum continuous operating current: 500mA
Board size: 36mm × 33mm
Four fixed aperture: 3mm
Fixing hole center distance: 30mm × 26mm
Note that only the buck to use at least 1.5 volts input and output voltage difference, that is, enter at least 1.5 volts higher than the output before they can work, in order to maintain a more stable recommend at least 2 volts or more.
Component list
35V470uf electrolysis x1
20K Adjustable x1
Capacitor 104 x 2
25V220uf electrolysis x1
1.2K resistor x1
101 tiles x1
2N5401 x1
0.47 ohm x1
MC34063 x1
SR240 x1
Inductance x1
PCB board x1
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