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Ltc3108 energy harvesting

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vibooze

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how to calculate the total load current during the burst and charging current
 

as for selective Vout 5V how much load current one can generate?
 

There are Youtube videos about energy harvesting. From what I can see an experimenter is glad if he gets a few uA @ 4 V.

Remember the simple 'crystal' radio set? With no battery you can hear broadcasts in headphones (high impedance type). If you're near a transmitter then you'll generate more power.
 

The load current is mainly limited by the available input voltage and step-up transformer ratio. Review the respective data sheet diagrams. There are diagrams for Vout = 4.5V, not so far from the intended operation point.
 

as if my Input voltage is 500mV and i am getting 5V then how much current i get on Vout ?

so that means we can get only micro Amperes in output?
 

Did you read the data sheet at all? It says about 3 mA with 1:20 transformer and 500 mV input.
 

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