source:Industry News Popular:adapter release time:2021-12-22 11:35:48 Article author:sznbone
Nowadays, instruments and equipment are more reliable in terms of characteristics, their functions are constantly improving, and the level of automation technology in applications is also getting higher and higher. And this kind of electronic information technology and the rapid development of its application are indispensable for power adapters. Power adapters have become more and more common in electronic computers, communications, aerospace, and household appliances. The types of power adapters are also increasing. many. What are the classifications of power adapters?
1. Classified by deployment method
①Pulse width modulation switching power supply adapter. The oscillating frequency remains the same, and the size of the output working voltage is changed and adjusted according to the total width of the single pulse. Sometimes the feedback closed-loop control loop is formed according to the sampling circuit and the coupling circuit to stabilize the strength of the output working voltage.
②Frequency adjustment type switching power supply adapter. The duty cycle remains the same, and the intensity of the output working voltage is adjusted and stabilized according to the oscillation frequency of the oscillator.
③Mixed deployment type switching power supply adapter. According to the adjustment of the oscillation frequency of the on-off time to adjust and output the strength of the working voltage stably.
2. Classified by circuit structure
①Single-piece switching power supply adapter. All switching stabilized power supply adapter circuits are made up of absorbing and merging electronic devices. Its structure is more complicated and its credibility is weak.
②Integrated circuit switching power supply adapter. All switching-regulated power adapter circuits or part of the circuits are composed of integrated circuits, which are generally thick film circuits. Some thick film integrated circuits contain power switch tubes, while others do not. The characteristics of this type of power switch power adapter are simple circuit structure, convenient adjustment and high credibility.
There are also some other classification methods for the classification of power adapters, and I will not introduce them in detail here!
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