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LMZ31503 - Leakage current

Akshay Mishra
Prodigy 160 points
Other Parts Discussed in Thread: LMZ31503

Hello,

         I am using an LMZ31503 in a design and on no load (with load disconnected), it seems to draw about 30mA. 

Is there any explanation on the same. My schematic reference is shown below:

Please advice.

  • 0
    TI__Mastermind 28020 points

    When the device is powered on and regulating an output voltage, I would expect around 20-30mA even with no load attached. Powering the internal circuitry and switching the FETs does draw consume power even if it is not delivering to the load.