有款无线产品,4接干电池供电,满电电压在6V-6.5V。要用LDO转成3V。无线发射时电流在40-70mA,待机uA级别。
目前由用到TPS78230的,但是它的输入电压最大6V,建议最大5.5V,不满足输入电压条件。
看到款低Iq的TPS706,但是这个芯片似乎缺货严重,有没有其他不缺能满足条件的,当然了,成本尽量低。
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