Re: [N8VEM-S100:6514] 7805 Package choices

["mike" <mi...@pikeaero.com>]

Microchip MCP1702-5002E/TO is available in a TO92, but does not give you
much headroom.



On 15-03-11 01:52 PM, Don Caprio wrote:
>
> Hey brains I have a question.
>
> I'm designing a 5V circuit. Considering the 78L05 (TO-92) and 7805
> (TO-220).
> The L05 is rated at 100ma while the 05 comes in 1a and 1.5 versions.
>
> Is there anything in between? 100ma is not quite enough while the 7805
> is overkill.
> Space is a concern so I like the TO-92 package.
>
> If I'm reading the datasheet right for a 7 segment display it draws
> 25-30ma for each
> segment? Thats a current draw of 250ma if all segments are lit.
> Therefore I may have
> to use the 7805/C or change my design to use dual state LED (17-22ma)
> instead of the 7 segment LED.
>
>
>