Received: from PCH.mit.edu (18.7.21.50) by mail.efplus.com (192.168.0.8) with Microsoft SMTP Server (TLS) id 8.3.485.1; Wed, 12 Feb 2020 08:59:11 -0800 Received: from PCH.MIT.EDU (localhost.localdomain [127.0.0.1]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 01CGlLan013221; Wed, 12 Feb 2020 11:50:12 -0500 Received: from outgoing-exchange-3.mit.edu (OUTGOING-EXCHANGE-3.MIT.EDU [18.9.28.13]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 01CGlJum013209 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 12 Feb 2020 11:47:19 -0500 Received: from OC11EXEDGE3.EXCHANGE.MIT.EDU (OC11EXEDGE3.EXCHANGE.MIT.EDU [18.9.3.21]) by outgoing-exchange-3.mit.edu (8.14.7/8.12.4) with ESMTP id 01CGkklF002956 for ; Wed, 12 Feb 2020 11:46:47 -0500 Received: from w92exhyb3.exchange.mit.edu (18.7.71.73) by OC11EXEDGE3.EXCHANGE.MIT.EDU (18.9.3.21) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 12 Feb 2020 11:46:50 -0500 Received: from oc11exhyb1.exchange.mit.edu (18.9.1.60) by w92exhyb3.exchange.mit.edu (18.7.71.73) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 12 Feb 2020 11:47:18 -0500 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (104.47.55.172) by oc11exhyb1.exchange.mit.edu (18.9.1.60) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Wed, 12 Feb 2020 11:47:18 -0500 Received: from SN6PR01CA0008.prod.exchangelabs.com (2603:10b6:805:b6::21) by DM5PR01MB2586.prod.exchangelabs.com (2603:10b6:3:3c::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2729.22; Wed, 12 Feb 2020 16:47:17 +0000 Received: from DM3NAM03FT035.eop-NAM03.prod.protection.outlook.com (2a01:111:f400:7e49::209) by SN6PR01CA0008.outlook.office365.com (2603:10b6:805:b6::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2729.22 via Frontend Transport; Wed, 12 Feb 2020 16:47:17 +0000 Received: from mail-ed1-f53.google.com (209.85.208.53) by DM3NAM03FT035.mail.protection.outlook.com (10.152.82.188) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2729.22 via Frontend Transport; Wed, 12 Feb 2020 16:47:16 +0000 Received: by mail-ed1-f53.google.com with SMTP id g19so3158425eds.11 for ; Wed, 12 Feb 2020 08:47:16 -0800 (PST) From: RussellMc To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Wed, 12 Feb 2020 08:46:38 -0800 Subject: Re: [EE] TL431+NPN as rated series regulator? Circuit questions. Thread-Topic: [EE] TL431+NPN as rated series regulator? Circuit questions. Thread-Index: AdXhxb/CZ0rLa2MsTxm3LM43pDVFxA== Message-ID: References: List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: TS500.efplus4.local X-MS-Has-Attach: X-Auto-Response-Suppress: All X-MS-Exchange-Organization-SenderIdResult: Pass X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: Pass (protection.outlook.com: domain of gmail.com designates 209.85.208.53 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.208.53; helo=mail-ed1-f53.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=mRQiEDztHqt/J7OXQ6vAvsfKoB/1X9Zttz7svprPCaA=; b=mvo0YsXNesF/ehnx7pWNUta42EmAC7iNpZ2dDk2AwqiyC+REnWqw+KJ3oET853TGjc ZKCEW8MjivKVMeL64TKbmO0unGpkTOtLG8iNe/BW1ZqQM+F1sG90Kanbko+lTf2gHlbn KC2IOqs6E0Dx72G4M4gA/It4289pwynEcmbwadkursa9k29AE1ayIRfPHgs6vwNM4vjX FNa08vcE0HWoTKaWSIGj1nO7B+fSRJJbtm6b+PSOvLXFF9K0TsEeD10bDNIAqCnGyBLK gKszGxOvc8rBywylp/MH3R+8cY5yKPkzqw3WIIIDPggSMrHB0P53Xn803oTYxXzL6L+T uoQg== authentication-results: spf=pass (sender IP is 209.85.208.53) smtp.mailfrom=gmail.com; mit.edu; dkim=pass (signature was verified) header.d=gmail.com;mit.edu; dmarc=pass action=none header.from=gmail.com;compauth=pass reason=100 errors-to: piclist-bounces@mit.edu list-id: "Microcontroller discussion list - Public." list-post: x-beenthere: piclist@mit.edu x-mailman-version: 2.1.6 x-received: by 2002:a17:906:2892:: with SMTP id o18mr12543218ejd.312.1581526035391; Wed, 12 Feb 2020 08:47:15 -0800 (PST) x-topics: [EE] x-content-filtered-by: Mailman/MimeDel 2.1.6 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 On Thu, 13 Feb 2020 at 04:20, Jason White wrote: > Texas instruments > > Adding a link to relevant documents is usually a really good idea. Fig29, page 27 here: http://www.ti.com/general/docs/suppproductinfo.tsp?distId=3D10&gotoUrl=3Dht= tp%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftl431 Russell --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .