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wide input range of LDO

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sisching

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hi, i would like to design 2-10V LDO. But it is very difficult to desing 2-10V bandgap. Do anyone has idea?
 

you can apply a depletion MOS transistor as a current source independence the voltage.
 

Hi, sisching,
Would you please explain why such a 2-10V bandgap is needed in LDO?
Thanks.
regards,

sisching said:
hi, i would like to design 2-10V LDO. But it is very difficult to desing 2-10V bandgap. Do anyone has idea?
Click to expand...
 

You may use auxiliary linear regulator for bandgap voltage reference.
 

Hi, sisching,
Would you please explain why such a 2-10V bandgap is needed in LDO?
Thanks.
regards,

sisching said:
hi, i would like to design 2-10V LDO. But it is very difficult to desing 2-10V bandgap. Do anyone has idea?
Click to expand...
 

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