source:power adapter Popular:adapter release time:2021-11-17 10:00:58 Article author:sznbone
Power adapters are widely used in routers, phone handsets, game consoles, language repeaters, walkmans, notebooks, mobile phones and other equipment. Most power adapters can automatically detect 100-240V AC (50/60Hz). China 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
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 the IC is below DC20V (DC5V～10V). The IC can only work stably within the voltage range of the high-power power adapter specified in the product specifications. Therefore, the voltage of the power adapter that supplies the IC must work within the operating range. China Power Adapter
Pay attention to the single-point grounding of digital circuits and analog circuits, single-point grounding of large current circuits and small current circuits, especially current and voltage sampling circuits, to reduce common resistance interference and reduce the impact of ground loops;
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