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3V input , 1000V/100uA output power supply

时间:10-02 整理:3721RD 点击:

Now i am design a power supply.

the input voltage is 3V, output voltage is 1000V/100uA.

input voltage source is two batteries.  

first i use tps61040dbv boost the input voltage to 75V, nest step is boost the 75V to 1000V.

I want use capacitor pump to boost the voltage, but  using some IC plan may be better.

i hope some advice.

thanks every one.

LM5017 may be a good option, it apply fly-buck Topology.

you set Vout1=50V, using 20:1 ratio transformer to set Vout2=100V.

plse refer the schematic below and find the  datasheets for more details.

 

 

 

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