[SI-LIST] Re: Wide input range LDO

Hi Kris,
                Thanks for the feedback. In fact the 250mA current
output requirement is  not at 12 Volt input. I needed an extension of
MCP1701 or TC55 device that can accept the nominal voltgae of 12 volts
(rather than 10 volts as is the case with microchip device) keeping all
other specs (package,Pin numbering .... etc ) the same.

Adeel.

-----Original Message-----
From: Kris Verbeeck [mailto:krisverbeeck@xxxxxxxxx] 
Sent: Tuesday, May 24, 2005 2:49 PM
To: adeelmk@xxxxxxxxxxx
Subject: Re: [SI-LIST] Wide input range LDO 

Hi Malik,

I hope you don't mind me saying, but I'm afraid you're
not going to find what you're looking for. Simple
calculation (7V * 0.25 = 1.75) that you plan to burn
1.75W in a tiny SOT-23. I don't think it's gonna
happen.

Anyways, here's a link with good quality LDO's you may
want to check out. ->
http://www.linear-tech.com/pc/categoryProducts.do

Hoping others will prove me wrong,

Kris Verbeeck.

--- Adeel Malik <adeelmk@xxxxxxxxxxx> wrote:
> Hi All,
>             In our low Power-Impedance design we
> require an LDO that can
> accept 12V input voltage for its stable 5 volt
> output in 3-Pin SOT-23 or
> SOT-89 package. The output current requirement is at
> least 250mA with
> the quiescent current consumption of about 2uA or
> less.
> I have searched the web and was able to find TC55
> and MCP1701 from
> Microchip but the only problem is that their input
> voltage is limited to
> 10Volts. Can someone help me finding the aforesaid
> LDO.
>  
> Regards,
> Adeel Malik     
>  
> 
>
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