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Low power consumption and low power 10W power supply chip U9513B With the advent of single-chip control switching power supply, switching power supply adapters have also surpassed power frequency transformer adapters with a strong momentum of development. This phenomenon is more obvio
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As an uninterruptible power supply, UPS has been widely used in various industries such as chemical industry, transportation, railway, power plant, substation, metallurgy, nuclear power plant, mobile communication, control equipment and its emergency protection system. It is used for computer and co
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1. Input voltageChina is generally 220V. Due to the instability of the grid voltage, a wide voltage input is often required, so it is designed to work normally at 90-270V. Usually the US electricity range is 110-130V, and Japan’s electricity range is 100V.2. The ripple of the output voltageSince th
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Ripple is mainly in five aspects: input low-frequency ripple, high-frequency ripple, common-mode ripple noise caused by parasitic parameters, ultra-high-frequency resonance noise generated during switching of power devices, and ripple caused by closed-loop regulation control. wave noise. 1. Low f
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In the product design, if the requirements of the application environment for power isolation are not considered, when the product is applied, the system will be unstable due to improper design, and even the high voltage will damage the downstream load, and there will be hazards. The safety of
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DC/DC converter, as a very important part of the electric vehicle power system, one of its important functions is to provide the required power for the power steering system, air conditioner and other auxiliary equipment. The other type appears in the composite power system and is connected in serie
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It can be seen from the data sheet that IS802 is a power supply with a push pull architecture, with a total of 6 pins. After reading the schematic diagram, the only thing that is not clear is the Ext clock, so let's take a look at the Ext clock. what's going on.The pin function in the manual
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AIAccelerators are increasingly demanding electricity. The thermal design power (TDP) of the Nvidia H100 is 700 watts (W), while the world's most commonly installed data center CPU, Intel Skylake/Cascade Lake has a TDP of less than 200W. Next-generation chips will require more power to support h
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Negative-side synchronous rectifier chipU7710 shows its talentsWith the improvement of environmental protection awareness and the active promotion of government regulations in many countries, electronic products The specification requirements for power supplies are becoming more and more stringent.
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For commonly used power supply topologies, non-isolated power supplies mainly include: Buck, Boost, Buck-Boost, etc.; and isolated power supplies mainly include various flyback, Forward, half-bridge, LLC and other topologies. Combining commonly used isolated and non-isolated power supplies, we can i
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Electrical fast burst There are three reasons for the impact on equipment.( 1) The power supply of the device is directly conducted through the power supply line, resulting in excessive noise voltage on the power line of the circuit. When the interference source is injected into the live wire or the
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Fourth, basic switching power supply topology analysisFor switching power supply topology: inductor, switching tube The node between the diode and the diode is called the switching node; after the current flows into the node from the inductor, it can either flow out of the diode or the switch tube (
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