Monolithic Non-Synchronous Step-Down Regulator With Integrated MOSFET . datasheet (ti.com)
On the TPS5402 spec above, with the equation (3) to calculate the inductor's value on page #11, I can only calculate the inductor's value to be 32.40741 uH; while the spec stated that the proper value is 5.4uH....not sure if there is an error on the spec or during my calculation process. When I made the calculation I use the below number:
Vout 5V Vin 12V IL 0.3 Iout 1A Fsw 0.3MHz
Can you help to explain on this? I had thought that I can take use of our existing 4.7uH inductor for the product...if the 5.4uH value is NOT correct, then I had to try other options.