Steelwolf
Flashlight Enthusiast
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Or maybe not. Since heat is the principle concern here, a single 5mm driven at 60mA is a very different situation than a large array of 5mms each driven at 60mA.
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No worries there. The array is not the one I'm talking about. I have a couple of 3 and 7 LED arrays and a few single LED lights which could do with a boost, especially since I'm probably never going to get near the actual life span of the LEDs driving them as I'm doing right now.
As for that 32 LED array, it didn't pan out. The array was heating up quite a fair bit, but the driver was heating up even worse. But I've got a saving grace. I recently destroyed my mobile phone (old Nokia 3200). Got drenched by a rogue wave while fishing (it was a relatively safe groyne! That wave should not have been able to reach that high!). The phone is water-damaged and hence beyond reasonable repair, but the charger pumps out 3.6V 355mA. Which reminds me... I have a few phone batteries (not from the 3200) that IIRC are 3.6V... hmmm /ubbthreads/images/graemlins/naughty.gif Pity the output from the charger isn't more, but it will definitely work with 10 LEDs, which is just barely enough.
Or maybe not. Since heat is the principle concern here, a single 5mm driven at 60mA is a very different situation than a large array of 5mms each driven at 60mA.
[/ QUOTE ]
No worries there. The array is not the one I'm talking about. I have a couple of 3 and 7 LED arrays and a few single LED lights which could do with a boost, especially since I'm probably never going to get near the actual life span of the LEDs driving them as I'm doing right now.
As for that 32 LED array, it didn't pan out. The array was heating up quite a fair bit, but the driver was heating up even worse. But I've got a saving grace. I recently destroyed my mobile phone (old Nokia 3200). Got drenched by a rogue wave while fishing (it was a relatively safe groyne! That wave should not have been able to reach that high!). The phone is water-damaged and hence beyond reasonable repair, but the charger pumps out 3.6V 355mA. Which reminds me... I have a few phone batteries (not from the 3200) that IIRC are 3.6V... hmmm /ubbthreads/images/graemlins/naughty.gif Pity the output from the charger isn't more, but it will definitely work with 10 LEDs, which is just barely enough.
