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请帮忙推荐一款电源芯片

Other Parts Discussed in Thread: TPS54320

要求:

电源降压芯片.

用在手持式的数据采集器中,IC的封装不能太大.

输入电压是两节Li电池(电压8.4V).

输出电压为3.6V,在最大电流为2A或者3A,转换效率94%以上.

工作在最小电流1mA是的,转换效率也要高,最好有80%以上