Home > Partner Resources > Specifications in Development > External Power Adapters Key Product Criteria
Qualifying External Power Adapters must meet both Active and No-Load mode requirements below.
Nameplate Output Power (Pno) | Minimum Average Efficiency in Active Mode (expressed as a decimal) |
---|---|
0 to <= 1 watt | >= 0.49 * Pno |
> 1 to <= 49 watts | >= [0.09 * Ln (Pno)} + 0.49 |
> 49 watts | >= 0.84 |
Nameplate Output Power (Pno) | Maximum Power in No-Load |
---|---|
0 to < 10 watts | <= 0.5 watts |
>= 10 to <= 250 watts | <= 0.75 watts |