Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site brl-tgr.ARPA Path: utzoo!linus!philabs!cmcl2!seismo!brl-tgr!tgr!decvax!decwrl!spar!turtlevax!weitek!mae@UCB-VAX.ARPA From: mae@UCB-VAX.ARPA Newsgroups: net.micro.cpm Subject: Re: DC-DC converter ICs - try MC145406 instead of 1488 Message-ID: <991@brl-tgr.ARPA> Date: Mon, 26-Aug-85 10:49:47 EDT Article-I.D.: brl-tgr.991 Posted: Mon Aug 26 10:49:47 1985 Date-Received: Thu, 29-Aug-85 06:34:45 EDT Sender: news@brl-tgr.ARPA Lines: 13 In article <301@cmu-cs-g.ARPA>, monta@cmu-cs-g.ARPA (Peter Monta) writes: > Are there ICs which convert +5V to +15V and -15V, at about 40mA each? > This would be very convenient for providing RS-232 signal levels; > often this is the only place such voltages are needed. (1488s require > about 40mA at each voltage.) ------ You might be interested in a new part from Motorola, it's the MC145406. It's a CMOS tranceiver that combines the functions of the 1488 and 1489. It contains 3 drivers and 3 receivers. It runs on +-5 V. And it uses 1/10 the power of the 1488. Price is $1.59 in 100-unit quantities (see _Electronic Design_, August 8,1985, pg. 149). Mike