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- From: bhandarkar@wrksys.enet.dec.com (Dileep Bhandarkar)
- Newsgroups: comp.arch
- Subject: Re: question on computer systems using Alpha ...
- Message-ID: <1992Aug12.143817.8106@ryn.mro4.dec.com>
- Date: 12 Aug 92 17:27:05 GMT
- References: <1992Aug10.202955.4254@talon.ucs.orst.edu> <DOCONNOR.92Aug11133018@potato.sedona.intel.com>
- Sender: news@ryn.mro4.dec.com (USENET News System)
- Organization: Digital Equipment Corporation
- Lines: 20
-
-
- In article <DOCONNOR.92Aug11133018@potato.sedona.intel.com>, doconnor@sedona.intel.com (Dennis O'Connor) writes...
- >
- >bhandarkar@wrksys.enet.dec.com (Dileep Bhandarkar) writes:
- >] [...] The [ Alpha 21064 ] CPU does need 3.3V. [...] You can derive the 3.3V
- >] from a standard 5V supply by using a DC to DC regulator on your circuit board.
- >
- >Yes, I'm sure you can, but what does a 10-amp 5V-to-3.3V DC-to-DC
- >converter look like, how big is it, does it need a fan, and how
- >much does it cost ? :-)
- >
- >Seriously, is such a beefy DC-to-DC converter really avaialble ?
- >--
- >Dennis O'Connor doconnor@sedona.intel.com
-
- Linear Technology Corporation of Milpitas, CA makes some. They are typically in
- TO-3 packages that are about a square inch. A heat sink is needed. The same fan
- that cools the microprocessor can cool the regulator.
-
- /d
-