What is LDO?
Short for low-dropout regulator: a linear regulator that works with only a small difference between input and output voltage. It is low-noise, but the voltage difference times the current is lost as heat.
Short for low-dropout regulator: a linear regulator that works with only a small difference between input and output voltage. It is low-noise, but the voltage difference times the current is lost as heat.
Noise-sensitive circuits commonly follow a switcher with an LDO.
Compared with a linear regulator (such as an LDO), which is…1/f noise (flicker noise) Bandgap voltage reference CMRR (common-mode rejection ratio) Comparator Cutoff frequency Differential amplifier Gain-bandwidth product (GBW) Instrumentation amplifier Negative feedback Operational amplifier (op-amp)