Other Parts Discussed in Thread: LM25118, LM5116
Hi Expert,
I am trying to estimate the gain and phase margin using "LM 5118/LM 25118 Quick Start Component Calculator (Rev.A)".
However, changing any parameter does not result in a Buck Loop Phase of less than 0 deg (Gain margin > 0dB). Also, the condition in Figure 19 Typical Application in the datasheet does not result in a Buck Loop Phase of less than 0 deg as shown in Figure 25.
Is the Calculator's loop phase calculation correct? Could you please disclose the formula?
Best Regards,
Morimoto