[PSUBS-MAILIST] PWM

[Jon Wallace via Personal_Submersibles]

This one?
https://www.youtube.com/watch?v=-fii6G_ewdw



On 4/6/2017 7:17 PM, Alec Smyth via Personal_Submersibles wrote:
> Hi guys, just a quick update. I received the LED drivers and just 
> spent an hour or so playing with them. Everything worked like a charm 
> so tomorrow they go into Shackleton. I was particularly pleased 
> because running them in air for a minute or so, both the lights and 
> drives were still cool to the touch. I was running two 5K lights off a 
> shared drive, which I set at 34.1V and 2.34A per the LED specs. That's 
> 80 watts, and this is a 400 watt drive so I guess that's how one ends 
> up with cool circuitry. This is not going to need a fan on its 
> enclosure, just holes. My drive is a "MingHe D3806."
>
> The drives came with no instructions whatsoever but there were 
> reasonable explanations online. Here is a video that will give you a 
> pretty clear idea of how they are configured. The video is of another 
> model from the same manufacturer, but the controls are identical. Mine 
> is a combination step up / step down, which has the benefit of more 
> input voltage flexibility but is less efficient.
>
> https://www.youtube.com/watch?v=S_KjmF1iI9w&t=201s
>
>
>
> Best,
>
> Alec
>