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03-28-2017
- The odd voltage about LM2596 - Power Distribution Systems - Voltage Talk forum
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The odd voltage about LM2596
Hello~all
I’m a student majoring in electronics while my professional knowledge is limited.I need some help ! Recently,I give electricity to GSM module passing LM2596-ADJ (this one). The normal outputted voltage is 4.2v. However,When it receives messages or calls,the peak voltage will up to 4.6v suddently. Then the module will close off normal.：wallbash： As far as I am concerned, it is common that the power voltage will be putted down if the current of GSM is big. Why this rise here ?Could anybody here tell me? Thanks a lot. 
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