What I mean- I need it to draw only the amps needed. Let's say the circuit normally draws 2.5 amps but then the load demands 3 amps will it do that or is it a constant 3 amp output?
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What I mean- I need it to draw only the amps needed. Let's say the circuit normally draws 2.5 amps but then the load demands 3 amps will it do that or is it a constant 3 amp output?
Not sure I fully understand. However, the output voltage of the regulator will remain constant until the load draws somewhat more than 3A.
The input current to the regulator will depend on the ratio of the input voltage and otuput voltage and efficiency.