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ADP1850 current sense gain calculation

Hey All,

I am struggling to calculate the Rcsg resistor for the ADP1850. Probably using ohms law all i have from the datasheet is the voltage only which is 0.4 and 2.1. I have the Vcsmin and Vcsmax at 0.66 and 1.206 respectively. The Rramp is calculated to be 101k. My requirement is as follows

  • Freq: 400kHz
  • Vin: 12V
  • Vout: 8.1V
  • Iout: 50A