PSRR of low dropout voltage regulators
Basic Electronics

PSRR of low dropout voltage regulators

Here’s an app note about PSRR of LDO from Microchip. The Power Supply Rejection Ratio is the ability of a device, such as a Low Dropout Voltage regulator, to reject the various perturbations that can be found in its input supply rail by providing a greatly attenuated signal at the...

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LDO regulator boasts high PSRR
IC

LDO regulator boasts high PSRR

by Susan Nordyk @ edn.com: In addition to low noise, the LT3045 linear regulator from Linear Technology provides a PSRR (power supply rejection ratio) of >90 dB to 10 kHz and >70 dB to 2.5 MHz, quieting noisy or high-ripple input supplies. The LDO regulator’s ultralow spot...

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Bias generators with ultralow noise and ripple for sensitive circuits
IC

Bias generators with ultralow noise and ripple for sensitive circuits

The LT®3095 generates two low-noise bias supplies from a common input voltage ranging from 3V to 20V. Each channel includes a fixed frequency, peak current-mode step-up switching regulator and a low-noise, singleresistor- programmable 50mA linear regulator. The linear regulator’s...

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