LM317 Low-Cost 3A Switching Regulator

A switching voltage regulator circuit shown in the schematic diagram here can be a low cost solution for your high efficiency requirement electronic circuit design. Unlike other switching regulator circuit that uses special purpose integrated circuit (IC), this circuit uses a standard linear regulator LM317 IC. LM317 regulator IC provide a stable internal voltage reference, and provide the adjustment method. […]

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28V DC To 5V DC Switch-Mode Converter (Regulator)

This is a 28VDC to 5VDC switching converter circuit.  As a switch-mode voltage regulator, this circuit gives higher efficiency than linear regulator type. Using the National Semiconductor LM1575-5.0, this circuit can be used to convert 28VDC To 5VDC with efficiency of >80%. This circuit can be used as a 5V source @ 1A. Here is the schematic diagram of the […]

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