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TPS563201: The power supply selection

dave lan
Intellectual 520 points
Part Number: TPS563201

Hi sir，

Now the customer needs such a scheme, with adjustable output power, input 12v, output 1.1v to 5.5 v, the output current is 2A, and the output wave is less than 10mV， help please recommend a, thank you！

  • 0
    TI__Expert 5745 points

    Add a circuit to FB pin like this. The value of the R1 is 10 times of the Rfb-low(which connect to the GND), the R2=1K,  C1=100pF. You can change the Cadj to change the output. And for the loop stable , pls increase the Cout to make the Fco small which will decrease the transient respond.