Tagged Questions
0
votes
2answers
68 views
5v solar batterypack to 12v output
This is just a concept I was thinking about.
I have an arduino project with some dc motors that needs to run outdoors for a long time. The DC motors themselves do not need to run all the time, ...
6
votes
1answer
126 views
Its a good practice use dc-dc converters and linear regulators in the same design?
Its a good practice use dc-dc converters and linear regulators? Or its better don't mix them?
Better use all linear tecnology or dc-dc converters in "cascade" or dc-dc with multiple outputs?
-1
votes
3answers
212 views
DC to DC converter [closed]
my question is, I need to drop the voltage down from a car battery, probably 14v or 12v, down to 5v to power a picaxe microntroller. Would a voltage regulator work fine for this? which one would work ...
0
votes
1answer
184 views
Atx psu 7v output
What is an easy way to get 7-7.2vdc from an scavenged atx psu? I had thought about using a lm317 but I'm going to need at least 5-7 amps of current, and the 12v-5v split just sounds like a really bad ...
1
vote
1answer
328 views
how can I made a 12vdc to 19vdc booster/regulator?
This is a fairly specific question, but I think the answer could probably be applied to various voltages.
I would like to make a circuit that will take in a 12-14volt source (from a lead acid) that ...
6
votes
3answers
3k views
Regulated 3.3V from a Lithium-ion (or LiPo) battery
Background
I wish to power my circuit with a Lithium-ion or LiPo battery (likely a battery with around 1000 mAh capacity). These batteries have a voltage that goes from 4.2V to 2.7V typically during ...
3
votes
2answers
385 views
What must be the minimum input voltage of a series regulator?
I'm designing a series regulator. I need 3.3V in my circuit, the circuit has 5V and 9V available in it.
What should be the minimum input DC voltage in a DC series regulator in general case?
In this ...
2
votes
3answers
331 views
Cost effective way to convert 12v DC to 7.6v DC @2A
I'm working on a hobby project that involves continuously powering a 5 watt handheld radio for long periods of time off a 12v automotive electrical system (in reality the input will be more like ...
2
votes
2answers
834 views
11-16V DC voltage stabilization for 13.8V powered ham radio
I am looking for any resources on how to construct a relatively high power (25A, 13.8V) voltage stabilizer (or voltage booster if you like) for my 13.8V powered ham radio.
The problem I try to ...
