L
Largo
I wish to cascade two 3-terminal voltage regulators. One MC7809CT
into a LM317T. I other words, I need 9 volts and then feed that to a
5 Volt regulator for digital circuitry. Any pitfalls here?
What bypass capacitors are uses for the input and output of each
regulator?
I see the data sheet says .33uF on the input and .1uF on the output
for these regulators. I use tantilum dipped electrolytics on both
input and output. Would this mean I'd have a .33 and .1 in parallel
between the 7809 and LM317?
Do I need electrolytic caps on the inputs?
Thanks
Largo
into a LM317T. I other words, I need 9 volts and then feed that to a
5 Volt regulator for digital circuitry. Any pitfalls here?
What bypass capacitors are uses for the input and output of each
regulator?
I see the data sheet says .33uF on the input and .1uF on the output
for these regulators. I use tantilum dipped electrolytics on both
input and output. Would this mean I'd have a .33 and .1 in parallel
between the 7809 and LM317?
Do I need electrolytic caps on the inputs?
Thanks
Largo