[sdiy] MAX1044/ICL7660 or equivalents - experiences?

Dan Snazelle subjectivity at hotmail.com
Wed Jun 19 14:39:51 CEST 2013


The lt1045's are way better

Sent from my iPhone

On Jun 19, 2013, at 6:27 AM, Justin Owen <juzowen at gmail.com> wrote:

> Thanks everyone - helpful, much appreciated.
> 
> Justin
> 
> 
> 
> -----Original Message-----
> From: Olivier Gillet [ol.gillet at gmail.com]
> Received: 18.06.2013 21:43:49
> To: Justin Owen
> Cc: SDIY List
> Subject: Re: [sdiy] MAX1044/ICL7660 or equivalents - experiences?
> 
> I used the MAX1044 on an earlier project and "upgraded" to a LT1054 for the
> Shruthi. It can be configured to work at a higher switching frequency, has
> a built-in regulation capabilities (which I don't use), can deliver more
> current, and tolerates higher input voltages.
> 
> One thing to be careful is that it is destroyed if the input voltage
> exceeds 15V. This will happen more often than you'll expect with some cheap
> unregulated 9V wall-warts people are going to power your device too. I've
> seen some of these have output peaks at 16V even when loaded!
> 
> Olivier
> 
> 
> On Tue, Jun 18, 2013 at 9:33 PM, Justin Owen <juzowen at gmail.com> wrote:
> 
>> 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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>> 
> 
> 
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