Circuit diagram of 3A switching power supply regulator
Source: InternetPublisher:红水杯 Keywords: switching power supply voltage regulator lm317 Updated: 2024/01/05
This is the circuit diagram of the 3A switching power supply regulator:
The circuit is simple and cheap, a current booster based on the famous IC voltage regulator LM317, power transistor 2N3782. Don't forget to add a heat sink, especially for the power transistor 2N3782.
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