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LT8638S :

Category: Hardware
Product Number: LT8638S

I'm using LT8638S in my custom board. My specifications are input voltage :  5 to 12 V max and output voltage : 1.2 V @ 8 A. I simulated the design in LT power CAD and got phase margin : 63 degrees and gain margin@ 180 is -18 dB. In datasheet Inductor value is given more and those values making design unstable. Can u please review and give any suggestions to improve the design.