TPS54140: SCH check

Hello,

I reviewed your schematic, please see my comments below:

• The required minimum input capacitance for this device is 3 uF of effective capacitance. This capacitor should also have a ripple-current rating greater than the maximum input current ripple of the device, which can be found via equation 38 of the datasheet. Please see section 9.2.2.5 of the datasheet for more details. 
• This device has a minimum slow start capacitor spec. Please ensure that the C10 capacitor complies with what equations 40 and 6 outline in the datasheet.
• The output capacitance is largely a factor of the customer's specifications in output current and output voltage ripple. Please ensure that your chosen output capacitance abides by your specifications utilizing the equations found in section 9.2.2.3 of the datasheet. 
• I see no further issues with the schematic. The datasheet does give a general schematic for a 3.3 V output in section 9.2, but as long as the adjustments made to your application are in accordance with the equations mentioned above, I see no other issues.

Thank you,

Joshua Austria