The problem of electronic products no-load power consumption is always perplexing the engineers all over the world. Along with human consciousness of environmental protection strengthening, how to resolve tremendous waste of energy has become more and more urgent. California Energy Commission (CEC) implements the brand-new compulsory standard aimed at AC-DC and AC-AC external supply adaptor efficiency which bring serious impact to almost all the electronic products. The third standard requests all the electronic products no-load power consumption below 0.3W. But now the international advanced level just meets the first demand of energy star below 0.5W. The reason of delay is that the problem on technical stratification has not been solved. The article is in view of the new standard to issue a series of solution.

According to experiments, for from 3W to 150W, the power can achieve the energy efficiency requirement in Energy Star. We already had the total solution and the technical support. From Information industry department China Electronic Product Reliability and Environmental Testing research Institute, the result is 0.09W. We believe WRI Minimum Energy No-load Controller is your best choice.

"Work requirements of the state" in Energy Star" project is the average energy efficiency.
To gain "Energy Star" certification, external power supply products must meet or exceed the lowest average efficiency required by "Energy Star".

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  The series of ME44035-N constant current source with high current is produced by Wrangler International(Shenzhen) Co., Ltd. It is a high-power LED driver module with wide input voltage scale and high precision constant current.  It can drive different number of 350mA LED series or several parallel connections of low current LED (20mA). The constant current source of safety measures in isolation, with over current protection, small in size, can be embedded within the small size lamps, long service life, safe and reliable.

  Constant source IC can stabilize the current, which is regulated to be constant. This IC is mainly used in series LED power supply. The number of every string red LED can be up to 110 when the input voltage is 220VAC. The input voltage is between 85VAC and 240VAC, and the output current set by the external components is constant. The external circuit is simple, while without inductance or transformer. At the same time, the circuit is small and can be put into the LED lamps and lanterns.

"Work requirements of the state" in Energy Star" project is the average energy efficiency.
To gain "Energy Star" certification, external power supply products must meet or exceed the lowest average efficiency required by "Energy Star".