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If you want to make the voltages off chip then obviously, you can just use voltage regs.
To create them on chip, you'll need to design such circuits yourself. A quick search on google should give you plenty of schematics, you'll just need to sim them to find out if the'll do what you need.
You'll need to have a very clear idea of the amount of current these will have to supply, and (obviously) design for that.
Hi
yes, Fig A is true.
As I know you must buffer output.
(current can effects on thid circuit)
If you use buffer, it can sink and source current and there will be no problem.
regards
thanks...all
I have one more question
For example,
Vout=Vref(1+R1/R2)
Vref=3.5 ,1.5V and Vout to make is 1V as shown in the 2nd circuit.
Vout is always over Vref. how to make?
and,
If i use the 2nd circuit, what kind of type pass transistor of LDO is used as vss power?
I have to use nmos pass tr. for sinking current?
Hi
yes, Fig A is true.
As I know you must buffer output.
(current can effects on thid circuit)
If you use buffer, it can sink and source current and there will be no problem.
regards
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