Electronics Projects, 2.5v – 27.5v 2Amp Laboratory Power Supply Circuit article
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Laboratory power supply circuit classical transistor power supplies in a manner similar power transistors, MOSFETS irfp150 Used writer circuit pc power supply box has placed additional olrak volt meter module added circuit toroidal transformer is used the normal steel transformers used in
The primary device is an electronic workshop in the power supply stabilized. After 8 years to use simple 2 Voltage Power Supply (5V and 12V) concluded that the time for change. During the construction guiding principle: “The simpler the better, because the power supply is used for work, and not for the constant repair.
Laboratory Power Supply Project (atx casing)
230V AC power supply (tolerance 10% -20%),Stabilizing linear
Output voltage regulated smoothly 2.5 – 27.5 V (linear regulation, the accuracy of stability 1%)
The regulation of electricity in 2 ranges 0.2 A and 2A (an accuracy of 10%)
Signaling work in the “current mode”,
Work continued even in the worst conditions (2.5 V 2A),
Switched off the transformer for power losses at low voltages,
Bipolar circuit breaker network
The combined weight of the casing only with mechanism and isolated from any system capabilities,
Stable housing Desk (metal).
Source: sq2ahr.sp-qrp.pl/ 2.5v – 27.5v 2Amp Laboratory Power Supply Circuit PCB schematic alternative link: 2-5v-27-5v-2amp-laboratory-power-supply-circuit.rar alternative link2