How high of a voltage can you get away with on WS2812b LEDs?

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How high of a voltage can you get away with on WS2812b LEDs? I bought some of those hobbywing UBECs and when I connect it to a SLA 6v battery I’m reading an output of 5.33v (the ubec has a jumper to select 6v or 5v and I do have it on the 5v.) The package mine came in just says “red wire 5v” and doesn’t give a range. Think I bought from Amazon, but not sure of the specific supplier. I might just have to cut some off and test out myself until they burn up, but thought I’d ask.

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Just to clarify by “the package mine came in” I’m referring to the WS2812b LEDs.

3

WS2812B data sheet lists power supply voltage rating of 3.5V to 5.3V.
http://www.world-semi.com/DownLoadFile/108

4

Thanks for the info. I ordered a few of those UBECs and found one that was under the 5.3v barely! Get what you pay for I guess…I ordered cheap ones from AliExpress.