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Re: [N8VEM-S100:6516] 7805 Package choices




TI TPS7101 is available in a DIP8 @ 500ma

MAX603 is another 500ma LDO in a DIP8 @500ma


On 15-03-11 02:22 PM, mike wrote:
>
>
> 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.
>>
>>
>>