High Quality 5.5*1.7mm 5v 1a 5w Wall Charger

High Quality 5.5*1.7mm 5v 1a 5w Wall Charger

• Generally, the power ripple of 5V products is generally controlled below 100mV, and the ripple of 12V products is generally 120mV at most. So how do we control the power adapter ripple?
  
  
• Firstly, we can increase the inductance and output capacitance filtering. To put it simply, since the current fluctuation in the inductance is inversely proportional to the value of the inductance, and the ripple of the power adapter is inversely proportional to the value of the output capacitance, we can increase the inductance and capacitance to reduce the ripple of the power adapter.
  
  
• Secondly, we can combine the capacitor C or RC on the diode. The purpose of this is mainly to suppress the high frequency oscillation, but the value has to be determined by many tests, because if the value is not selected properly, it may be counterproductive, so this method must be chosen carefully.
  
  
• Third, it is connected with LDO filtering, which is the most effective method, but also has the highest cost and high power consumption.
  Fourth, add a primary LC filter. LC filter has a good inhibitory effect on the ripple of power adapter.

• Shenzhen Waweis Technology Co., Ltd. is a high-tech enterprise engaged in r&d, production and sales of notebook adapters. Main: switch power supply, power adapter, charger, LED power supply, Disinfection lamp and other products professional production and processing. The products have passed CE, FCC, and other certifications. The products produced by the company have perfect protection function, stable performance, safe and reliable. With professional r & d, production and sales experience, the company has accumulated strong technical advantages and rich market resources in the field of power adapters. The company is now able to provide a full range of alternative adapters for the world's major brands of notebook computers.

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