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LM2904-Q1: Question of sleep current

Taemin Ahn
Intellectual 795 points

Part Number: LM2904-Q1
Other Parts Discussed in Thread: LM2904

Hi team

Low Supply-Current Drain Independent of Supply Voltage . . . 0.7 mA Typ

Above is the specification of the consumption current.
I want to know the standby current when 16V is applied to VCC.
Is it in the datasheet?

Thanks,

TM

  • 0
    TI__Guru**** 174676 points

    Taemin,

    The Icc spec covers 5V and max VCC which is 26V or 32V. 16V Icc would be between those limits. Interpolation can be used to get 16V ICC

    ICC [16V][max]  = ICC[5V][max] + (16V - 5V) / (26V - 5V) * ( ICC[26V][max] - ICC[5V][max] )

    ICC [16V][max]  = 1.2mA + 11V / 21V * ( 2mA - 1.2mA )

    ICC [16V][max]  = 1.62mA

    Typical current will be substantially lower. Note that the LM2904 can't be put in sleep mode. 

    Here is sample data at room temperature.