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LMR16006Y-Q1: PWM signal applied in SHDN pin

Elec Cheng
Expert 7055 points
Part Number: LMR16006Y-Q1
Other Parts Discussed in Thread: LMR16006

Hi Expert,

Our customer wants to achieve PWM output with LMR16006Y-Q1. Is it possible to apply a PWM signal on the SHDN pin?

Thanks 

Elec Cheng

  • +1
    TI__Genius 13735 points

    hi, Elec,

    Please consider the HL level should meet the VEN_L VEN_H spec, and frequency should not be very fast, because LMR16006 have a internal soft-start time. but the DC/DC output may not like a "PWM signal " as we thought to be.  Figure 10 and 11 in datasheet for  reference notice the power on/off time waveform.

    So LMR16006Y-Q1 is not recommend. please consider a power amplifier for your application.

    thank you.

    Elena

  • +1 in reply to Elena Gao
    TI__Genius 13735 points

    hi, Elec,

    If you agree to close this question , please click  Resolve , and for your further question, please feel free to open a new one.

    thank you

    Elena