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Songhe XL6009 XL6009E1 Boost Converter Module DC - DC 4.5-30V to 5-35V Output Voltage Adjustable Step-up Converter Board Module Better Than LM2577 (10pcs)

Q: what would the maximum output of these be, say could they do 36v at 3.5 amps?

Listing spec says 4 amps and 35V out max.. You dont want to push the max on things typically. My educated guess is that it depends on the input voltage and I would cap the input current at 4A max . Think about the power in/out .. This thing doesnt make energy, it converts energy from one voltage to another higher voltage - at the expense of lower output current. At best its 94% efficient so it loses 6% in heat. For example if you needed 25VDC at 3A out , thats 75 watts, plus 4.5W heat loss (75W x 0.06) , so you need 79.5W input. If your input voltage is 12VDC, you need 79.5W of input power so that's 6.6 Amps (79.5W/12) - not likely, plus 4.5Watts of heat is a lot . Lets try an input of 20V , thats 79.5W/20 = 3.975A input ... might work for a while, still putting out 4.5W heat losses. Short of any better specs, I dont think I'd push it past 3A in or out and 60W of total power transfer for a long term solution but you can probably get out more if you have good airflow and its only peaking hard for say 1 or two minutes. Try it, observe temps, watch current input, if it starts running away getting higher and higher input current at same output then you are doomed, but if it fits your needs then its ok for a while at least. These seem to be good units generally, just need to understand the limitations. Also note that these have 50V in/out electrolytic caps. Thats good, some other brands have 35V caps and you need some margin if you are near 35V , its not good design to run at the max.

Q: To SteveR, What was my source ... 3.7 to 4.2 vdc from a 18650 battery.. was the source input with the .4 amp 6 vdc output ?

The minimum input of XL6009 is 4.5V

Q: Can this boost 5v to 7.4v?

From the title "Boost Converter Module DC - DC 4.5-30V to 5-35V Output Voltage Adjustable". So yes

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Product ID: 276586773

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Details

Brand
Songhe
Color
Black
Item Weight
1.9 Ounces
Input Voltage
5 Volts 24 12
Output Voltage
35 Volts

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Songhe XL6009 XL6009E1 Boost Converter Module DC - DC 4.5-30V to 5-35V Output Voltage Adjustable Step-up Converter Board Module Better Than LM2577 (10pcs)

Have a Question? See What Others Asked

what would the maximum output of these be, say could they do 36v at 3.5 amps?

To SteveR, What was my source ... 3.7 to 4.2 vdc from a 18650 battery.. was the source input with the .4 amp 6 vdc output ?

Does it really comes in a pack of 50 pcs?

Can this boost 5v to 7.4v?

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12 interest-free installments with tabby

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