Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
0 votes
0 answers
476 views

LDO phase margin

The recommended phase margin to achieve stability is 45. With a positive phase margin, but less than 45, the system is stable, but the output has some oscillation. For LDOs, we have specifications for ...
Gnawi's user avatar
  • 1
4 votes
4 answers
6k views

Phase margin analysis of a [diy] PMOS LDO [with LTspice]

I'm somewhat familiar with using LTspice to do phase margin analysis for a classic i.e. obvious negative feedback path opamp circuit; in fact I've done that analysis successfully for fixing real opamp ...
got trolled too much this week's user avatar