Power | PartQuest™ Explore

Copy of Diode_bridge_rectifier_LM - on Thu, 06/18/2020 - 10:50

Krištof Moravčík
Designer224204

Krištof Moravčík

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Copy of Diode_bridge_rectifier_LM - on Thu, 06/18/2020 - 10:47

Matúš
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Matúš

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Copy of Diode_bridge_rectifier_LM - on Thu, 06/18/2020 - 10:11

Michal_3
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Copy of Diode_bridge_rectifier_LM - on Tue, 06/16/2020 - 11:52

lukas_1
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Copy of Diode_bridge_rectifier_LM - on Tue, 06/16/2020 - 11:50

lukas_1
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Copy of AC-DC Power Adapter - on Sun, 06/14/2020 - 11:56

damianybr
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Description

<p>This is a circuit design for a typical wall-plug power adapter.</p>

<p>The sinusoidal source represents a typical US 60 Hz, 120V AC wall supply.</p>

<p>A transformer steps the voltage down to a manageable range to be rectified for a 5V DC supply, but the waveform is still sinusoidal.</p>

<p>The 4 diode bridge rectifier takes this lower amplitude sinusoidal signal and produces a DC biased result, but still with noise resulting from the rectification process.</p>

<p>The capacitor before the voltage regulator chip helps smooth some of this noise. Then the regulator chip provides a self-contained, feedback controlled mechanism to keep the output voltage at the specified value.</p>

<p>The output capacitor further smooths any output ripple and provides a reservoir of charge to supply any surge in current load that may be encountered.</p>

<p>This example includes a load resistor that allows the exploration of the effects of load. The load is varied during the simulation and it can be seen that above a load of 100 mA, the regulation of the output voltage begins to deteriorate.</p>

<p>The addition of a few components can make it possible for such a circuit to provide significantly higher power loads. See http://www.systemvision.com/design/ac-dc-power-adapter-current-boost-regulator for an example.</p>

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Copy of Diode_bridge_rectifier_LM - on Wed, 06/10/2020 - 21:43

jozhka456
Designer224157

jozhka456

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CARNY_IIC_bridge

Xenon666
Designer223972

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5.6.

Rutk0
Designer224189

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Samuel diody 562020

samcis
Designer223917

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