Power Management

Q&A Using a digital potentiometer like AD5175 to set the output voltage of LT3045-1

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AD5175 Production
The AD5175 is a single-channel, 1024-position digital rheostat that combines industry leading variable resistor performance with nonvolatile memory (NVM...
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LT3045-1 Recommended for New Designs
The LT3045-1 is a high performance low dropout linear regulator featuring LTCâ€™s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive...
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LT3045-1 on Analog.com

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Using a digital potentiometer like AD5175 to set the output voltage of LT3045-1

Deponce

on Nov 4, 2023

Could we use a digital potentiometer like AD5175 to set the output voltage of LT3045-1, would it effect it's noise performance?

Tags: power management ad5175 D/A Converters (DAC) LT3045-1 LDO Linear Regulators Positive Linear Regulators (LDO) Digital Potentiometers (DigiPOT) Show More

0 ARad

on Nov 7, 2023 12:03 PM
I don't think the AD5175 will cause the LT3045-1 to be noisy as long as the usual capacitor from SET of the LT3045-1 to GND is there.
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