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Posts Tagged ‘linear regulator’

App note: Linear regulator problem situations – Power supply does not start

Sunday, March 10th, 2019

App note from ROHM Semiconductor about various start up problem on 3 pins linear regulator. Link here (PDF) Although linear regulators can be used to easily configure power supplies, the linear regulators may cause startup problems depending on the type of loads. This application note introduces cases where the power...

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App note: Linear regulator specifications

Sunday, December 30th, 2018

Thorough items on a linear regulator datasheet provides valuable details about its proper usage discussed in this App note from ROHM semiconductor. Link here (PDF) A linear regulator data sheet includes a specifications table that lists output voltage values and precision. Besides, very important information such as maximum ratings, operating...

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Op-Amp based linear regulators

Tuesday, August 12th, 2014

Warren Young of Tangentsoft writes: Experienced audio DIYers are familiar with monolithic linear regulators like the 78xx series and the LM317. Here’s a simplified block diagram of a standard linear regulator, from National Semiconductor’s Application Note 1148 Let’s see... We have an op-amp, a couple of transistors, a voltage reference, and...

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