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• LM140L: Trying to determine if there has a been a change to the process that has tightened the output voltage closer to the 11.8V?

  

  Chris Hill

  Resolved

  Part Number: LM140L Other Parts Discussed in Thread: TPS7A47 We usually receive parts varying from 11.7-11.9 and 11.9-12.1 and we are seeing greater number of parts arriving only in the 11.7-11.9 range and we are curious if the spec has been change to…

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

• RE: LM140L: LM140LAH-12 oscillating

  

  Donald Jones

  " ... Removing the 4.7uF capacitor it no longer oscillates! ..." Schematic shows two (2) 4.7uF capacitors. I will presume that: you removed Cout (C22) and it no longer oscillates, and that C22 is a low ESR ceramic, and that the oscillation does not…

  • over 8 years ago
  • Power management
  • Power management forum

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