Discussion in "New Ideas regarding projects" started by    vijay    May 19, 2013.
Sun May 19 2013, 03:04 AM
#1
I want to design 12v 300ma led driver ckt for smd led (SLLP-5630-206H-CW). with cheap cost.

1.As upto i know Lm723 gives 2-37v regulate output with 150ma max current..It is possible boost current to 300ma(constant) using a any transistor or anything else????


2.Is it possible to made it with lm317 ...??

3.if both is possible which is gud??
Sun May 19 2013, 06:07 PM
#2
Try using l317 or l200. Both are good
Mon May 20 2013, 08:28 AM
#3
what is price of l200?
Mon May 20 2013, 04:49 PM
#4
I think for that, you need to visit your local electronics market...
Thu Apr 16 2015, 05:11 PM
#5
How many LEDs are you driving and what is the supply voltage ?

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Fri Sep 29 2017, 02:45 AM
Maaz
i am doing the same project on verilog please contact me [email protected]
Wed Sep 20 2017, 12:36 AM
Ted
In a missing pulse detector using a 555 timer connected as a monostable vibrator with a PNP transistor,how does the positve input pulse turn on the PNP transistor?
Sun Sep 03 2017, 02:29 PM
martymarty
How do I connect an <NOKIA 1100 LCD > to an atmega328P ?
poojab51296
Sun Aug 20 2017, 10:23 AM
i am intending to interface sd card with STM32F4 and want to write a file in sd card using SPI protocol but using HAL only. Can anyone help me PLEASE!!!!
poojab51296
Sun Aug 20 2017, 10:22 AM
hello
rawat742
Fri Aug 18 2017, 11:37 AM
hi @ angel patel i will attach a file i hope it will be helpfull for you
ExperimenterUK
Mon Aug 14 2017, 09:57 PM
@ angel patel... just log in and post your problem
Mon Aug 14 2017, 01:45 PM
angel patel
hey any one help to make the led scrolling display
desuza6
Sat Jul 29 2017, 07:09 AM
I see the code for step motor h l 298 to rotate 45 degree, but all delay time, if I want to input sensor to h the pulses to stepmotor
rammichael
Thu Jul 27 2017, 12:05 PM
okay fine

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