source:power adapter Popular:adapter release time:2021-11-13 09:22:20 Article author:sznbone
Because of the long-term use of electronic equipment, it may be necessary to purchase a new power adapter in the later period. The adaptation conditions must be determined first. Moreover, the parameters of the power adapter are various, so the adapter cannot be used for charging at will. Today, let's take a look at the adaption conditions for choosing the power adapter and how to buy it. European power adapter
The input voltage adjustment range of the power adapter is the maximum change value of the allowable input mains voltage, generally 90~264V AC, the corresponding range is 90V~132V AC under 110V voltage, and the range is 176V~264V AC under 220V voltage..
The application of the power adapter in the notebook computer, the semiconductor integrated circuit (IC) used in the notebook computer requires a DC voltage. The DC voltage is used because the IC cannot work under the AC voltage of 50Hz or 60Hz, and the IC will be reversed voltage (reverse bias voltage). )damage. Generally, the fault voltage of an IC is below DC20V (DC5V~10V), and the IC can only work stably within the voltage range of the high-power power adapter specified in the product specifications. Therefore, the power adapter voltage for the IC must work within the operating range. European power adapter
The plug-in type Chinese regulatory certification power adapter switching power supply refers to a power supply that uses modern electronic technology to control the time ratio of the switch tube registration and shutdown. The plug-in type Chinese regulatory certification power adapter maintains a stable output voltage. The switching power supply of the power adapter Generally composed of pulse width modulation (PWM) control IC and MOSFET, advantages: high conversion power, small size, able to operate in a wide voltage range
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