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; Mon, 27 Apr 2020 17:03:03 -0700 Received: from PCH.MIT.EDU (localhost.localdomain [127.0.0.1]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 03RNrPWR032510; Mon, 27 Apr 2020 19:53:56 -0400 Received: from outgoing-exchange-1.mit.edu (OUTGOING-EXCHANGE-1.MIT.EDU [18.9.28.15]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 03RNrNaT032504 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 27 Apr 2020 19:53:23 -0400 Received: from oc11exedge1.exchange.mit.edu (OC11EXEDGE1.EXCHANGE.MIT.EDU [18.9.3.17]) by outgoing-exchange-1.mit.edu (8.14.7/8.12.4) with ESMTP id 03RNqJ1d027960 for ; Mon, 27 Apr 2020 19:53:05 -0400 Received: from w92exhyb5.exchange.mit.edu (18.7.71.110) by oc11exedge1.exchange.mit.edu (18.9.3.17) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Mon, 27 Apr 2020 19:52:30 -0400 Received: from oc11exhyb2.exchange.mit.edu (18.9.1.98) by w92exhyb5.exchange.mit.edu (18.7.71.110) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 27 Apr 2020 19:52:53 -0400 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (104.47.66.41) by oc11exhyb2.exchange.mit.edu (18.9.1.98) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Mon, 27 Apr 2020 19:52:53 -0400 Received: from DM5PR21CA0030.namprd21.prod.outlook.com (2603:10b6:3:ed::16) by BYAPR01MB3670.prod.exchangelabs.com (2603:10b6:a02:8c::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2937.22; Mon, 27 Apr 2020 23:52:50 +0000 Received: from DM3NAM03FT006.eop-NAM03.prod.protection.outlook.com (2603:10b6:3:ed:cafe::5d) by DM5PR21CA0030.outlook.office365.com (2603:10b6:3:ed::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.4 via Frontend Transport; Mon, 27 Apr 2020 23:52:50 +0000 Received: from mail-qv1-f44.google.com (209.85.219.44) by DM3NAM03FT006.mail.protection.outlook.com (10.152.82.121) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2921.25 via Frontend Transport; Mon, 27 Apr 2020 23:52:49 +0000 Received: by mail-qv1-f44.google.com with SMTP id p13so9518464qvt.12 for ; Mon, 27 Apr 2020 16:52:49 -0700 (PDT) Received: from ?IPv6:::1? ([2804:14c:bb81:849a::1001]) by smtp.gmail.com with ESMTPSA id w42sm12459234qtj.63.2020.04.27.16.52.47 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Apr 2020 16:52:48 -0700 (PDT) From: Isaac Marino Bavaresco To: "piclist@mit.edu" Sender: "piclist-bounces@mit.edu" Date: Mon, 27 Apr 2020 16:52:43 -0700 Subject: Re: [EE] Voltage regulator with high input voltage Thread-Topic: [EE] Voltage regulator with high input voltage Thread-Index: AdYc8GNsgp84COFKRCuUPrBPNFDi4Q== Message-ID: References: <74ba642e-b6f8-16b4-9049-764f93d487c1@gmail.com> <5EA72863.6010608@narwani.org> <5EA735E6.1010409@narwani.org> List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: <5EA735E6.1010409@narwani.org> Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US Content-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: x-antivirus-status: Clean x-antivirus: Avast (VPS 200427-0, 27/04/2020), Outbound message received-spf: Pass (protection.outlook.com: domain of gmail.com designates 209.85.219.44 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.219.44; helo=mail-qv1-f44.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding:content-language; bh=OOhafucalqrimT+P5WkfTzUz2ikf/ktuXPSHGOKtLYI=; b=NTZpMOR5W+X33DM+k91Wx2fNg1uKjbuICb1MIOleI/jbUeFqXck8JAYF1m8gpby38a svAo57IaZu3DVW9z6TRrNokgE7jbCu3NNYFMfadsCGdAGExVHe0yy5kOmw3CWjGdAomg w459bhJM6ejka9kAxuNwmFAeoBA5yvMxD3B0LU589IvGEawf61YG21lmxwIMgpzOzrXU ipJruGPrUEvygVskwukMywiPvue/20xLr3oASHBWiQVWqJRE4+JUYAb4y5L635ShXvYn aTsPvlSmVBjxqMU5wu4+peNPjW9I8QNaw6/3Fw5bcY1m+vB65pgOIUrRnVIEIPn1z/Il 74dA== authentication-results: spf=pass (sender IP is 209.85.219.44) 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 user-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 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:ad4:4e64:: with SMTP id ec4mr24854265qvb.137.1588031569066; Mon, 27 Apr 2020 16:52:49 -0700 (PDT) x-topics: [EE] x-mime-autoconverted: from quoted-printable to 8bit by PCH.mit.edu id 03RNrNaT032504 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 TXkgY2lyY3VpdCBoYXMgc29tZSB2ZXJ5IHNwZWNpZmljIHJlcXVpcmVtZW50cy4gSXQgb3BlcmF0 ZXMgYXQgMTAgfiAxNVYKd2l0aCBldmVudHVhbCB2ZXJ5IHNob3J0IHNwaWtlcyB1cCB0byA0MFYu CgpUaGUgMjcwLW9obSByZXNpc3RvciBvbmx5IGRpc3NpcGF0ZXMgYXBwcmVjaWFibGUgcG93ZXIg aW4gaW5mcmVxdWVudCBhbmQKc2hvcnQgc3VyZ2VzLCBpdHMgdGVtcGVyYXR1cmUgbmV2ZXIgcmlz ZXMgcGVyY2VwdGlibHkuIEl0cyB2YWx1ZSBpcyBsb3cKc28gaXQgY2FuIHN1cHBseSBlbm91Z2gg YmFzZSBjdXJyZW50IHdpdGggdGhlIG5vcm1hbCBsb3cgaW5wdXQgdG8gb3V0cHV0CnZvbHRhZ2Ug ZGlmZmVyZW5jZS4KCkluIHlvdXIgY2FzZSwgeW91IGNhbiB1c2UgYSBtdWNoIGhpZ2hlciB2YWx1 ZSByZXNpc3RvciBhbmQgYSBEYXJsaW5ndG9uCnRyYW5zaXN0b3IuIFlvdXIgaW5wdXQgdm9sdGFn ZSBpcyBhbHdheXMgbXVjaCBoaWdoZXIgdGhhbiB0aGUKcmVndWxhdG9yJ3MgaW5wdXQgdm9sdGFn ZSwgeW91IGhhdmUgZW5vdWdoIHZvbHRhZ2UgaGVhZHJvb20gdG8gdXNlIGEKaGlnaCB2YWx1ZSBy ZXNpc3Rvci4KCkNoZWVycywKCklzYWFjCgoKRW0gMjcvMDQvMjAyMCAxNjo0MywgTmVpbCBlc2Ny ZXZldToKPiBHb3RjaGEuCj4KPiBPbmUgbW9yZSBxdWVzdGlvbiAtLSBkb2VzIHRoZSAyNzAtb2ht IHJlc2lzdG9yIG5lZWQgdG8gYmUgdGhhdCBsb3cuIElmIAo+IGhlJ3MgZHJvcHBpbmcgZnJvbSA0 MFYgdG8gOC4yViwgdGhhdCByZXNpc3RvciB3aWxsIG5lZWQgdG8gYmUgaGlnaCAKPiB3YXR0YWdl LiAgU2hvdWxkbid0IGEgbXVjaCBoaWdoZXIgdmFsdWUgd29yayBoZXJlPwo+Cj4gQ2hlZXJzLAo+ IC1OZWlsLgo+Cj4KPgo+IE9uIDQvMjcvMjAyMCAzOjA4IFBNLCBJc2FhYyBNYXJpbm8gQmF2YXJl c2NvIHdyb3RlOgo+PiBOZWlsLAo+Pgo+PiBWKyBpcyBhbiBvdXRwdXQgdG8gb3RoZXIgY2lyY3Vp dHMgdGhhdCB1c2UgdW5yZWd1bGF0ZWQgdm9sdGFnZS4KPj4KPj4gQ2hlZXJzLAo+Pgo+PiBJc2Fh Ywo+Pgo+Pgo+Pgo+Pgo+PiBFbSAyNy8wNC8yMDIwIDE1OjQ1LCBOZWlsIGVzY3JldmV1Ogo+Pj4g SXNhYWMsCj4+Pgo+Pj4gV2hhdCdzIHRoZSBwdXJwb3NlIG9mIFYrIGluIHRoaXM/Cj4+Pgo+Pj4g Q2hlZXJzLAo+Pj4gLU5laWwuCj4+Pgo+Pj4KPj4+Cj4+PiBPbiA0LzI3LzIwMjAgMjozNiBQTSwg SXNhYWMgTWFyaW5vIEJhdmFyZXNjbyB3cm90ZToKPj4+PiBTb21ldGhpbmcgbGlrZSB0aGUgaW1h Z2UgYmVsb3cuCj4+Pj4KPj4+PiBDaGFuZ2UgdGhlIFRyYW5zaXN0b3IsIFplbmVyLCBjYXBhY2l0 b3IgYW5kIHJlc2lzdG9yIHRvIHlvdXIgbmVlZHMuCj4+Pj4KPj4+PiBDaGVlcnMsCj4+Pj4KPj4+ PiBJc2FhYwo+Pj4+Cj4+Pj4KPj4+Pgo+Pj4+IEVtIDI3LzA0LzIwMjAgMTQ6MjQsIERhdmlkIEMg QnJvd24gZXNjcmV2ZXU6Cj4+Pj4+IEkgYW0gZGVzaWduaW5nIGEgY3VycmVudCBtb25pdG9yIGZv ciBteSBlLWJpa2UuICBVc2luZyBhbiBJTkExNjkgaGkgc2lkZQo+Pj4+PiBjdXJyZW50IHNlbm9y IGludG8gYSBtaWQgcmFuZ2UgUElDIHdpdGggYSB0d28gZGlnaXQgTEVEIGRpc3BsYXkuCj4+Pj4+ Cj4+Pj4+IFByb2JsZW0gaXMgZ2V0dGluZyB0aGUgNSB2b2x0cyBmb3IgdGhlIFBJQyBmcm9tIHRo ZSBlIGJpa2UgYmF0dGVyeSB3aGljaCBpcwo+Pj4+PiBub21pbmFsbHkgMzZ2IGJ1dCBjYW4gcmlz ZSB0byBvdmVyIDQwIHZvbHRzIHdoZW4gZnVsbHkgY2hhcmdlZC4gIE1vc3Qgc21hbGwKPj4+Pj4g bGluZWFyIHJlZ3VsYXRvcnMgc2VlbSB0byBiZSByYXRlZCBhdCAzNnYuLgo+Pj4+Pgo+Pj4+PiBD dXJyZW50IHdvdWxkIGJlIGEgY291cGxlIG9mIG1pbGxpYW1wcyB3aXRoIHRoZSBkaXNwbGF5IG9m ZiAobW9zdCBvZiB0aGUKPj4+Pj4gdGltZSkuICBOZWFyZXIgMTAwIHdpdGggdGhlIGRpc3BsYXkg b24uLgo+Pj4+Pgo+Pj4+PiBBbnkgc3VnZ2VzdGlvbnMKPj4+Pj4KPj4+Pj4KPj4+Pj4gX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4+Pj4+IERhdmlkIEMgQnJvd24K Pj4+Pj4gNDMgQmluZ3MgUm9hZAo+Pj4+PiBXaGFsZXkgQnJpZGdlCj4+Pj4+IEhpZ2ggUGVhayAg ICAgICAgICAgICAgICAgICAgICAgICAgIFBob25lOiAwMTY2MyA3MzMyMzYKPj4+Pj4gRGVyYnlz aGlyZSAgICAgICAgICAgICAgICBlTWFpbDogZGNiLmhvbWVAZ21haWwuY29tCj4+Pj4+IFNLMjMg N05EICAgICAgICAgIHdlYjogd3d3LmJpbmdzLWtub3dsZS5jby51ay9kY2IKPj4+Pj4gPGh0dHA6 Ly93d3cuamIubWFuLmFjLnVrL35kY2I+Cj4+Pj4+Cj4+Pj4+Cj4+Pj4+Cj4+Pj4+ICpTZW50IGZy b20gbXkgZXRjaC1hLXNrZXRjaCoKCi0tIApFc3RlIGVtYWlsIGZvaSBlc2NhbmVhZG8gcGVsbyBB dmFzdCBhbnRpdsOtcnVzLgpodHRwczovL3d3dy5hdmFzdC5jb20vYW50aXZpcnVzCgoKLS0gCmh0 dHA6Ly93d3cucGljbGlzdC5jb20vdGVjaHJlZi9waWNsaXN0IFBJQy9TWCBGQVEgJiBsaXN0IGFy Y2hpdmUKVmlldy9jaGFuZ2UgeW91ciBtZW1iZXJzaGlwIG9wdGlvbnMgYXQKaHR0cDovL21haWxt YW4ubWl0LmVkdS9tYWlsbWFuL2xpc3RpbmZvL3BpY2xpc3QK .