![]() Regulators get their lower voltage by bleeding off the excess voltage as heat. They achieve their purpose at around 90-95% efficiencies. The answer? Buck Converters are WAY more efficient. So you may be wondering why use the more complicated Buck Converters when a simple voltage regulator serves the exact same function with no external circuitry. Essentially if you increase the "on" time you increase the voltage out and vice versa. It then passes this through caps and inductors and filters it down to a desirable lower voltage. The Buck Converter integrated circuit (IC) switches the higher voltage on and off very very quickly. It achieves this by taking the higher source voltage and "chops" it. Ok ok so it might not be like a transformer electrically speaking but it does take a voltage in and transform it to a lower voltage. It might help to think of it as a transformer for DC circuits. Essentially what it does is take some higher voltage in (higher than what you want for your project), chops it up, and pieces together a lower voltage. They also can commonly be referred to by other names, a DC-DC converter or a switching regulator. Alright! So hello everyone! Long time user, follower, commenter but first time iblest here! So for my first instructable I thought I'd share a recent simple project I made a Buck Converter.īuck Converters are great! I use them all over the place in many of my nerdy, techy, geeky hobbiest projects. ![]()
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