Hi team,
Does the LM317HV also can be used for negative input to negative output?
Thank you!
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Hi Zoe,
The minimum input-output voltage differential (Vin - Vout) for the LM317HV is -0.3 V. In a negative input to negative output configuration, the voltage differential would be smaller (more negative) than -0.3 V which would damage the device.
TI does have a wide selection of negative output LDO and voltage regulators that may be suitable for your application. They can be found with the parametric search function on the TI website here:
http://www.ti.com/power-management/linear-regulators-ldo/products.html
Thanks,
Gerard