Comparison of LDO and level shifter | Forum for Electronics
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 LDO to regulate to the …
LDO design issue - no load condition | Forum for Electronics
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 high enough at no …
PTAT current source vs LDO to bias a ring oscillator for PVT ...
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 coming …
The size of pmos pass transistor in LDO regulator
May 12, 2006 · pmos pass transistor saturation ldo when pass transistor operates in triode region the loop gain will decrease drasticly.In order to get a reasonable gain error, make sure the loop gain is …
How to improve LDO's transient response? | Forum for Electronics
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 current will be increased …
operating region of pass element in LDO - Forum for Electronics
Mar 8, 2012 · I am really confused. What is the operating region of pass element in LDO (Low Dropout Linear Regulator)? I see a lot of documents saying that it operates in linear mode. However, in this …
Design Procedure for LDO topology | Forum for Electronics
Jul 20, 2003 · Hi to All, I would like to ask if someone could give me some info ( paper, or other design document) about the LDO topology that is attached below. I have not seen it often in papers or LDO …
Why PMOS used in LDO more than NMOS? | Forum for Electronics
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 reason.
LDO with NMOS as pass transistor.. | Forum for Electronics
Oct 18, 2004 · The NMOS pass transistor LDO is has a single pole roll-off characteristics.The gate of the NMOS pass transistor needs to be decoupled with capacitance to reduce the glitches in the output …
[SOLVED] - NEGATIVE LOOP GAIN OF LDO | Forum for Electronics
Jul 7, 2022 · I am trying to design an LDO with the following specification: Vout = 1.5V; Vin = 1.7V - 2V; Iload = 75uA to 1200uA. However, while I am simulating its loop gain, its gain is coming negative. …