I have tried to boost my input voltage up to 1.8V. When I supply input voltage that is 1.2V , I get (Vout=Vin-0.30V) on output pin so it would be 0.90. However I programmed my R1=1.02M ohm and R2=392K ohm to get 1.8 volt. I have realized that despite though I change my resistor values, output voltage has same difference according to input voltage (Vin-0.3V). TPS61220 IC decreases my input voltage instead of increasing. I checked all my pin connections but I don't find any problems. Can someone help me please?
