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How to use about BIAS pin of TPS7A8300

Other Parts Discussed in Thread: TPS7A8300

Hello.

My customer is going to use TPS7A8300.
 He is going to make the BIAS pin open.Because he does not use the BIAS power supply,

However, his system environment is very noisy.
Therefore, be concerned about UVLO of the BIAS pin malfunctioning when BIAS pin is open.


Q1.When I fix BIAS pin for the purpose of preventing malfunction, what kind of connection should do?
  For example, do pullup to VIN doing pulldown to GND.

Q2.May not malfunction even if I use BIAS pin in open (how becomes the input circuit of this pin?)

Best regards.

k-hashi.