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LM79L: spec check

GARETH OU
Guru 11415 points
Part Number: LM79L

Hi 

Can I confirm with you that when using the LM79L05ACM, if the input power supply is +5V, the output is -5V?

  • 0
    TI__Expert 6570 points

    Hey Gareth,

    LM79L regulates a negative input voltage to a negative output voltage with a lower absolute value. 

    In the case of LM79L05ACM, your input voltage must be greater than or equal to Output Voltage (-5V) + Dropout Voltage (-1.7V), or between -30V and -6.7V input for this device to properly regulate -5V. 

    BR,

    Erin