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LM237: about add the ON/OFF circuit

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Part Number: LM237

Hello E2E,

Our customer is planning to about add the ON/OFF circuit for LM237. They looked LM1085 datasheet. That linear regulator can about add the ON/OFF circuit on external, figure17.

Does LM237 can same using as LM1085?

Regards,
ACGUY

  • Hi ACGUY,

    You can use similar method as shown in figure 17 of LM1085 datasheet. But please note, LM1085 is a positive LDO while LM237 is a negative one. When you apply the biopolar to block or sink the current, make sure you have the current in the right direction. 

    Regards,
    Jason Song

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