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LMZ34002, LMZ35003 / Adjusting output voltage with LM10010

S.Satoshi
Guru 21675 points
Other Parts Discussed in Thread: LMZ35003, LM10010, LMZ34002

Hi Everyone,

Our customer plan to use LM10010 to adjust output voltage of LMZ34002 and LMZ35003. They are referring the app note SNVA709 (www.ti.com/.../snva709.pdf) but then they have question for both device as below.

  • Regarding LMZ35003, the RSET is connected to VOUT at LMZ35003, then can LM10010 connect to VADJ pin like SNVA709?
  • Regarding LMZ34002, can LMZ34002 be used with the same configuration with SNVA709 though it's negative output module?

Your comment will be appreciated.

Best Regards,

Sonoki / Japan Disty

  • 0
    TI__Intellectual 1710 points

    Hi Satoshi,

    The LMZ35003 and LMZ34002 had different voltage sensing conifiguration from those listed in SNVA709 app note.  Instead, there was internally a 10k ohm between VADJ and AGND (for LMZ35003), or VADJ and A_VOUT (for LMZ34002).  However, the "principles" stated in SNVA709 still applied, depending on the Vout and the change range of Vout.

    If you have any further question, please send me an email to chung@ti.com.

    Thanks,

    Hung