Dec 19, 2025 · Hi All, Greetings! I am starting to design an LDO for the first time, and a few questions have come to my mind. I would appreciate your valuable advice on the following …

May 12, 2006 · simulate the output impedance of ldo regulator Is your pass transistor working all the time in triode region ? It would be a big trouble if you have it working at triode and …

Mar 27, 2019 · Hi I am working on a LDO design that requires a rather large PMOS pass transistor due to the specified max current. I have issues with pulling the pass transistor gate …

Jan 27, 2012 · Re: LDO vs Level shifter Yes, although if good efficiency and good noise performance were required, I would use a switcher to drop most of the voltage then use the …

Mar 8, 2012 · I don't understand the function of buffer in LDO. Could anyone explain it? Why adding buffer will help to improve power supply ripple rejection?

Feb 2, 2005 · nmos ldo compensation but in Low Drop-Out Regulator, Pmos is used to achieve lower voltage drop. how can Pmos do that other than Nmos?it seems that lower Ron is not the …

Apr 22, 2024 · I'm looking to minimize the frequency variation of an on-chip ring oscillator running at 2MHz, through using either an LDO as its supply voltage, or current-starving it with a current …

Oct 21, 2005 · how to do ac analysis of ldo another way is add a large inductor on you feedback path, and a capacitor connect to ground from opamp side. this may help you to do AC simulation.

Apr 2, 2006 · ldo frequency and transient response Some commercial chips like TI's add comparators to control overshoot and undershoot. When undershoot is detected, sourcing …

Mar 27, 2011 · Hi, I have a three stage LDO with an external capacitor and PMOS pass device. During Power up, the external capacitor has to be charged up and hence the Pass device is …