home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: sci.electronics
- Path: sparky!uunet!mcsun!chsun!bernina!schaerer
- From: schaerer@isi.ethz.ch (Thomas Schaerer)
- Subject: Re: Voltage regulators in parallel?
- Message-ID: <1992Dec18.161916.23357@bernina.ethz.ch>
- Sender: news@bernina.ethz.ch (USENET News System)
- Organization: Swiss Federal Institute of Technology (ETH), Zurich, CH
- X-Newsreader: TIN [version 1.1 PL8]
- References: <1992Dec18.125910.27545@syscon.rn.com>
- Date: Fri, 18 Dec 1992 16:19:16 GMT
- Lines: 13
-
-
- Mike DeMetz (miked@syscon.rn.com) wrote:
- : You should be able to regulate a pass transistor with the regulator.
- : You then can parallel pass transistors if really high currewnt is needed.
-
- This solution has a disadvantage! The power-parallel-pas-transistor
- is not saved with overtemperature. You have the problem with second
- breakdown. Not so with parallelconnecting of any LM317. If you will
- create a circuit with additional power-transistor you must proof
- the temperatur with an additional circuit or you make the cooler
- very large calculated as worstcase.
-
- Bye Thomas
-