[sdiy] MAX1044/ICL7660 or equivalents - experiences?

Stewart Pye stewpye at optusnet.com.au
Wed Jun 19 09:47:21 CEST 2013


Hi Justin,

I second what Paul said.

If it were me I'd use a class AB amp IC designed to run from a 9V 
supply. Either a bridge mode amp IC or a stereo amp that can be run in 
bridge mode.
If you really want to use a discrete design with a dual rail supply 
check out the Mean Well DC-DC converter modules. It will cost a lot more 
and take up a lot more space.

Regards,
Stewart.


On 6/19/2013 1:44 PM, Paul Perry wrote:
> I've used them, but note they don't have much output.
> Check the specs for output voltage with increasing current - I do not 
> think
> you will be impressed.
>
> And also note that the "maximim input voltage" really IS the maximum. 
> even for just a nanosecond.
>
> paul perry Melbourne Australia
>
>
> ----- Original Message ----- From: "Justin Owen" Subject: [sdiy] 
> MAX1044/ICL7660 or equivalents - experiences?
>
>
>> Hello,
>> I'm starting to tinker with a small, low-wattage transistor amp 
>> project. I'd like to run it off a standard Boss DC 9V wall wart - but 
>> I'd like to avoid going the Single supply/Biasing/Virtual Ground route.
>> Anybody here used the MAX1044 or any of it's equivalents?
>> Experiences/Alternatives/Pros/Cons etc.?
>>
>> Thanks.
>>
>> Justin
>>
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