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SGM66099DC/DC同步升压芯片

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发表于2023-03-18 11:36:03 | 显示全部楼层
1# 电梯直达

The PC8609 is a synchronous step-up converter


with 0.65μA ultra low quiescent current. It is designed


for products powered by alkaline battery, NiMH


rechargeable battery, Li-Mn battery or rechargeable


Li-Ion battery, for which high efficiency under light load


condition is critical to achieve long battery life


operation.


The PC8609 step-up converter only

consumes


0.65μA quiescent

current under light load condition and


can achieve up to 75%

efficiency at 10μA load with


fixed output voltage version. It can also support up

to


300mA output current from

3.3V to 5V conversion, and


achieve up to 93% efficiency at 200mA load.


The PC8609 also offers both down mode


andpass-through operation for different applications.In


down mode, the output voltage can still be regulated at


target value even when input voltage is higher than


output voltage. In pass-through mode, the output


voltage follows input voltage. The PC8609 exits


down mode and enters into pass-through mode when


VIN >

VOUT + 0.3V.


The PC8609 supports true shutdown function when it


is disabled, which disconnects the load from the input


supply to reduce the current consumption. The


PC8609 offers both adjustable

output voltage version


and fixed output voltage versions. It is available


in Green WLCSP-1.22×0.83-6B and TDFN-2×2-6AL




13603089129


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