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TL103WA: 600mV ripple in Vref

Part Number: TL103WA

Hi  team,

As below waveform, there are 600mV ripple observed in TL103 pin3. Would please you help analyze this? We have tried 2 pcs device. The results are the same.

The configuration:

  • Bias=12V, +24V=24V
  • D7, R43 are removed