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MC34063 current expansion negative voltage output circuit diagram, input 5V, output 14.5V, adjust R4, R5 to change the output voltage.
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LM386 is an audio power amplifier produced by National Semiconductor Corporation, mainly used in low-voltage consumer products. To minimize external components, the voltage gain is built-in to 20. ...[Details]
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The wearable market has been brewing and developing amid rumors of Apple's "iwatch", but it was not until the recent public debut of Apple's smartwatch "Apple Watch" that the wearable market has trul...[Details]
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Most servers are set up as 24-hour running devices, so the energy-saving technology of servers is more important than personal products such as ordinary PCs and notebooks. Usually, there are two main ...[Details]
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As the LED lighting industry continues to hit new heights, energy conservation and environmental protection are becoming more and more important. High-brightness, low-energy consumption, and long-l...[Details]
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WALTHAM, Mass. — April 8, 2022 — C&K Switches, an affiliated portfolio company of Sun Capital Partners, Inc., is pleased to announce that it will be acquired by Littelfuse, Inc., an industrial techno...[Details]
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This article summarizes some common methods of secondary constant current in LED lighting power supply, hoping to help novices improve. It is no exaggeration to say that the LED driver power suppl...[Details]
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The working principle of the bistable control circuit is shown in the figure. Here is an example of a multi-point control switch for reference. Assuming that the load is a light, when the button AN...[Details]
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As we all know, solar panels have an IV curve, which represents the output performance of the solar panel, representing the current and voltage values respectively. The intersection of the two ...[Details]
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We often encounter the situation that LEDs do not light up. Packaging companies, application companies, and units and individuals who use them may encounter this situation. This is what people in ...[Details]
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With the rapid development of LED lighting and the gradual improvement of light efficiency, LED manufacturers have put forward higher requirements for LED drivers , connectors and other devices. W...[Details]
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Bourns has launched a new series of automotive-grade high-temperature rated semi-shielded power inductors. The SRN6045HA power inductor has a wide operating temperature range of up to 125°C, can demo...[Details]
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In small wind power generation equipment, batteries are one of the important auxiliary equipment. Batteries play an important role in storing electrical energy and stabilizing voltage in DC power g...[Details]
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Why does charging take so long?
What does it mean to offer "fast" charging? It depends on your definition of "fast" -- and it usually comes down to consumer expectations. A common example ...[Details]
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Lately, marketing has been hyping up digital power, which has been lingering in the academic world for decades, with no ill intentions but excessive enthusiasm (Figure 1). Now that some of the hype...[Details]