World Sled-dog Championship in Sweden 瑞典举办世界雪橇犬锦标赛
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
UK study suggests phone bans may not be effective 英国研究指出校园手机禁令 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
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满载效率达95.5%，梵塔145W PD快充电源方案解析
前言充电头网拿到了梵塔推出的一款小体积大功率快充电源DEMO，这款DEMO基于PFC+LLC+SR高效架构设计，支持90-265V宽电压输入以及29V5A输出，最大输出功率145W。并使用了梵塔FAN6631+FAN6886+FAN6225全套方案，也正是得益于整套方案，电源的效率表现十分出色，230VAC输入下的满载效率高达95.5%。此外DEMO实物三围仅69.46*68.