[time-nuts] Power supply for Thunderbolt
wa2lbi at frontiernet.net
Mon Apr 21 10:35:43 EDT 2008
The only load on my Meanwell T-30B is the Thunderbolt and there is no problem.
On Mon, Apr 21, 2008 at 10:29 AM, David C. Partridge
<david.partridge at dsl.pipex.com> wrote:
> Based on what's been said so far, I've ordered a Meanwell T-30B from Aibin
> Does this supply need dummy loads to ensure regulation, or does it manage OK
> with just the load the Thunderbolt places on it?
> The TB manual specifies:
> +12v +/-10% max current 750 mA
> +5v +/-5% max current 400 mA
> -12v +/-10% max current 10 mA
> +5v 50 mV peak-to-peak, 15 mVrms
> +/-12v 75 mV peak-to-peak, 20 mVrms
> Looking at the T-30B datasheet, it suggests ripple/noise of around 20-25mV
> p-p on all lines for an input between 210 and 250V.
> This does seem to meet those specifications - that's pretty good for an
> SMPS. I'm used to them being pretty noisy brutes.
> Many thanks to all
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of iovane at inwind.it
> Sent: 21 April 2008 14:46
> To: time-nuts
> Subject: Re: [time-nuts] Power supply for Thunderbolt
> .... I also purchased from Aibin Guo a Mean Well. Model: T-30B power supply
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