5V switching IC

Nov 26, 2005 24 Replies
R

Yes. I'd agree with that thinking entirely. I have actually seen a number of circuits in odd locations, that are either 'based' on this, or share yet another common ancestor. There is another problem with the circuit, that some parts of the operation, will show up deficiencies in many of the circuit modelling programs. Though these are mainly excellent, especially when using devices in 'normal' enviroments, the results when pushing component behaviour, can be suprisingly different from the real devices...

BestWishes

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R

Did either of you read the description on the web page? Just for redundancy's sake:

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I thought it was the best description of a circuit's operation I've ever seen.

And if you read on, he makes some recommendations as to upping the input voltage.

I'm very impressed by his web page, except at the very bottom in his ASCIImatic of a TIP3055 dummy load, he's got the 3055 upside down. :-) (maybe that's a test, to see if anybody reads all the way through the thing. ;-) )

Cheers! Rich

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J

message news: snipped-for-privacy@4ax.com...

I don't have that kind of problem anymore... I can't even hear my Timex beep on the hour ;-)

...Jim Thompson

| James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC\'s and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | | http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
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G

Thanks for the information. The circuit you suggested is neat. I agree that it is for a specific purpose and should be taken that way. Because of my low current requirement I was facing the dilema. For normal larger currents, I guess there are plenty of ready solutions. In the end I have decided to redesign my product around a 6V supply and use a LDO. Thanks for the efforts. Thanks Roger and everyone here Guru

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S

Especially when you have another frequency in the circuit which creates audible difference somewhere in audio stage.... sounds truly awful.

Siol ------------------------------------------------ Rather than a heartless beep Or a rude error message, See these simple words: "File not found."
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