home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: sci.electronics
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!cs.utexas.edu!usc!newshub.sdsu.edu!chemteca.sdsu.edu!massoud
- From: massoud@chemteca.sdsu.edu (Massoud Ajami)
- Subject: Re: 12 V -> 3V, 0.6 A
- Message-ID: <massoud.13.721158300@chemteca.sdsu.edu>
- Summary: Poratble CD player in a car.
- Lines: 20
- Sender: news@newshub.sdsu.edu
- Nntp-Posting-Host: 130.191.227.22
- Organization: San Diego State University
- References: <1992Nov7.141550.538@ludd.luth.se>
- Date: Sat, 7 Nov 1992 17:45:00 GMT
-
- In article <1992Nov7.141550.538@ludd.luth.se> d89-ahg@ludd.luth.se (Anders Hedberg) writes:
- >From: d89-ahg@ludd.luth.se (Anders Hedberg)
- >Subject: 12 V -> 3V, 0.6 A
- >Summary: Poratble CD player in a car.
- >Date: 7 Nov 92 14:15:50 GMT
- >A friend wants to listen to his CD player powered from the car.
- >
- >The CD-player wanna have 3Volts at max 600 mA, and the car has a battery
- >of 12 volts.
- >
- >I thought of a LM317 or something similar, but I've never designed something
- >alike, and I need to know how to calculate the resistor values.
- >
- >/Anders Hedberg
-
- R1= from output to adj. pin =240 ohms.
- R2= from adj pin to ground = 330 ohms.
-
- Peace and Prosperity!
- ---==< 110 >==---
-