can’t you just power the SAF with 24? IIRC, you can?
Gino A. Villarini President Aeronet Wireless Broadband Corp. www.aeronetpr.com @aeronetpr From: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Organization: SPITwSPOTS Reply-To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Date: Friday, November 7, 2014 at 7:14 PM To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Subject: Re: [AFMUG] dc-dc step up / power supply Checking with SAF to see if I can just use a TP-DCDC-4856G-VHP . Then feed that 48v from the meanwell. Josh Reynolds, Chief Information Officer SPITwSPOTS, www.spitwspots.com<http://www.spitwspots.com> On 11/07/2014 02:13 PM, Bill Prince via Af wrote: That sort of sounds like it might work. Half the current on each 24V supply. I bet if one of them failed, the output would go to zero because of the isolation. bp <part-15@SkylineBroadbandService> On 11/7/2014 2:01 PM, Ken Hohhof via Af wrote: +24 to +48? or +24 to –48? Dumb question, if it’s +24 to +48, would it be kosher to use a 24V to 24V converter with isolated input/output and connect the negative output terminal to +24 so they are in series? Seems like this would improve efficiency and cut the power requirement in half, so that a 60W Traco should be adequate. http://www.alliedelec.com/images/products/datasheets/bm/Traco/70062693.pdf From: George Skorup (Cyber Broadcasting) via Af<mailto:[email protected]> Sent: Friday, November 07, 2014 3:50 PM To: [email protected]<mailto:[email protected]> Subject: Re: [AFMUG] dc-dc step up / power supply I would not use the SD. Get an RSD instead. On 11/7/2014 3:46 PM, Ty Featherling via Af wrote: 24V - 48V DC/DC converter 200W SD-200B-48Meanwell https://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_1953911_-1 This is from my parts list. More than you are asking for and about $80 but I bet you can look at others in that series to find a better fit. -Ty On Fri, Nov 7, 2014 at 3:35 PM, Josh Reynolds via Af <[email protected]<mailto:[email protected]>> wrote: Need some part numbers for cheap 24VDC -> 48VDC ~72W din mount step-up/power supplies. Throw some part numbers out there :) -- Josh Reynolds, Chief Information Officer SPITwSPOTS, www.spitwspots.com<http://www.spitwspots.com>
