Hi
Please help me if you can
I need a three-circuit DC / DC Converter
1. The boost converter with the following specifications:
One of the following IC circuit: TL 494 or SG3525 OR SG3524 or MC34063 or UC3843 OR UC3842
VI=5
VO=15
FS(MOS)=30KHZ
IO=2A OR 3A

2. The bUCK converter with the following specifications:
One of the following IC circuit: TL 494 or SG3525 OR SG3524 or MC34063 or UC3843 OR UC3842
VI=15
VO=5
FS(MOS)=30KHZ
IO=2A OR 3A

3. The (BUCK/boost) converter with the following specifications:
One of the following IC circuit: TL 494 or SG3525 OR SG3524 or MC34063 or UC3843 OR UC3842
FS(MOS)=30KHZ
IO=2A OR 3A
The input voltage to the desired output
///////////////////////////////////////////////////
If the circuit is protected against overload and short circuit as well

And if possible adjustable

Thank you very much wait for your answer

 

Hi
Please help me if you can
I need a three-circuit DC / DC Converter
1. The boost converter with the following specifications:
One of the following IC circuit: TL 494 or SG3525 OR SG3524 or MC34063 or UC3843 OR UC3842
VI=5
VO=15
FS(MOS)=30KHZ
IO=2A OR 3A

2. The bUCK converter with the following specifications:
One of the following IC circuit: TL 494 or SG3525 OR SG3524 or MC34063 or UC3843 OR UC3842
VI=15
VO=5
FS(MOS)=30KHZ
IO=2A OR 3A

3. The (BUCK/boost) converter with the following specifications:
One of the following IC circuit: TL 494 or SG3525 OR SG3524 or MC34063 or UC3843 OR UC3842
FS(MOS)=30KHZ
IO=2A OR 3A
The input voltage to the desired output
///////////////////////////////////////////////////
If the circuit is protected against overload and short circuit as well

And if possible adjustable

Thank you very much wait for your answer

Most of the devices you mention are well supported by online appnotes, the MC34063 has some online component calculators that make designing a breeze.

Buck/boost can be a bit tricky, there's various names like Cuk and Sepic you can google for types of designs - if you want to keep it simple; you could just feed a buck with a boost.

 

If all your HELP headers indicate a real emergency you should call 911!

 

If all your HELP headers indicate a real emergency you should call 911!

The reason this guy needs help is because he cant write a title for his forum posting that says anything about what he needs help with...

 

My friends, my English is not so good
So all the talk and taunt you just do not know
Just wanted to say I need help I am not josh
Thank

 

Sorry. What is josh?

 

Sorry. What is josh?

Hi
my friend / I know I'm not good in English
But I think this sentence is in itself nothing else but throw taunts
I am an Iranian / Persian culture we are ridiculed and taunted dropping very very ugly to others

 

Ok. I'll ask after promising that I am NOT taunting. Your English is better than my Iranian. But, I do not know what you mean by "josh". Is there another word you could use to help me understand?

 

There are over 751,543 messages on AAC. There is a simple reason why "HELP" is not a good title.
It would be rather stupid if many messages called for "HELP".
So think about it. "HELP" does not help anyone trying to sort through messages.
Next time please be more considerate.

 

My friends, my English is not so good
So all the talk and taunt you just do not know...

I think you are too sensitive if you think that I posted my comment to taunt. You should know that my mother tongue is not English...