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电源知识白皮书Introduction to Power Supplies
Introduction to Power Supplies
Introduction
Virtually every piece of electronic equipment, e.g., computers and their peripherals, calculators, TV and hi-fi equipment, and instruments, is powered from a DC power source, be it a battery or a DC power supply. Most of this equipment requires not only DC voltage but voltage that is also well filtered and regulated. Since power supplies are so widely used in electronic equipment, these devices now comprise a worldwide segment of the electronics market in excess of $5 billion annually. There are three types of electronic power conversion devices in use today which are classified as follows according to their input and output voltages: 1) DC/DC converter; 2) the AC/DC power supply; 3) the DC/AC inverter. Each has it
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