AS1117.rar

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AS1117芯片的详细资料,对电路设计人员很用的,
AS1117.rar
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<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/622b2efcff7f9c46a68b02dd/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/622b2efcff7f9c46a68b02dd/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">Alpha Semiconductor Inc. 1031 Serpentine Lane. Pleasanton, CA 94568 Tel: (925) 417-1391 Fax: (925) 417-1390</div><div class="t m0 x2 h2 y2 ff1 fs0 fc0 sc0 ls1 ws1">Rev. 9/14/99</div><div class="c x3 y3 w2 h3"><div class="t m0 x0 h4 y4 ff2 fs1 fc0 sc0 ls2 ws2">ALPHA</div></div><div class="c x3 y5 w3 h5"><div class="t m0 x0 h6 y6 ff2 fs2 fc0 sc0 ls3 ws2">SEMICONDUCTOR</div></div><div class="t m0 x3 h7 y7 ff1 fs3 fc0 sc0 ls4 ws3">Excellence in Analog Power Products</div><div class="c x4 y8 w4 h8"><div class="t m0 x5 h9 y9 ff3 fs4 fc1 sc0 ls5 ws2">&#945;</div></div><div class="t m0 x6 ha ya ff3 fs5 fc0 sc0 ls6 ws4"> <span class="ff2 fs6 ls7 ws2">AS1117</span></div><div class="t m0 x7 hb yb ff2 fs7 fc0 sc0 ls8 ws5">800mA Low Dropout Regulator</div><div class="t m0 x8 hb yc ff2 fs7 fc0 sc0 ls9 ws6">SCSI-II Active Terminator</div><div class="t m0 x9 hc yd ff2 fs8 fc0 sc0 lsa ws2">FEATURES<span class="_ _0"> </span><span class="lsb">APPLICATIONS</span></div><div class="t m0 x9 hd ye ff3 fs0 fc0 sc0 lsc ws2">&#8226;<span class="ff1 lsd ws7"> Guaranteed 800mA Output<span class="_ _1"> </span></span>&#8226;<span class="ff1 lse ws8"> SCSI-II Active Terminator</span></div><div class="t m0 x9 hd yf ff3 fs0 fc0 sc0 lsc ws2">&#8226;<span class="ff1 lsf ws9"> Three Terminal Adjustable Or Fixed 1.5V, 2.5V, 2.85V, 3V, 3.3V &amp; 5V<span class="_ _2"> </span></span>&#8226;<span class="ff1 ls10 wsa"> Portable/ Palm Top / Notebook Computers</span></div><div class="t m0 x9 hd y10 ff3 fs0 fc0 sc0 lsc ws2">&#8226;<span class="ff1 ls11 wsb"> Very Low Quiescent Current<span class="_ _3"> </span></span>&#8226;<span class="ff1 ls12 wsc"> Battery Chargers</span></div><div class="t m0 x9 hd y11 ff3 fs0 fc0 sc0 lsc ws2">&#8226;<span class="ff1 ls13 wsd"> Low Dropout Voltage Of 1.2 Volts At Full Load<span class="_ _4"> </span></span>&#8226;<span class="ff1 ls14 wse"> Disk Drives</span></div><div class="t m0 x9 hd y12 ff3 fs0 fc0 sc0 lsc ws2">&#8226;<span class="ff1 ls6 wsf"> Extremely Tight Load And Line Regulation<span class="_ _5"> </span></span>&#8226;<span class="ff1 ls15 ws10"> Portable Consumer Equipment</span></div><div class="t m0 x9 hd y13 ff3 fs0 fc0 sc0 lsc ws2">&#8226;<span class="ff1 ls16 ws11"> Very Low Temperature Coefficient<span class="_ _6"> </span></span>&#8226;<span class="ff1 ls17 ws12"> Portable Instrumentation</span></div><div class="t m0 x9 hd y14 ff3 fs0 fc0 sc0 lsc ws2">&#8226;<span class="ff1 ls18 ws13"> Fixed 2.85V Device For SCSI-II Active Terminator<span class="_ _7"> </span></span>&#8226;<span class="ff1 ls19 ws14"> SMPS Post-Regulator</span></div><div class="t m0 x9 hd y15 ff3 fs0 fc0 sc0 lsc ws2">&#8226;<span class="ff1 ls1a ws15"> Logic-Controlled Electronic Shutdown</span></div><div class="t m0 x9 hd y16 ff3 fs0 fc0 sc0 lsc ws2">&#8226;<span class="ff1 ls1b ws16"> Internal Overcurrent Limiting &amp; Thermal Overload Protection</span></div><div class="t m0 x9 hd y17 ff3 fs0 fc0 sc0 lsc ws2">&#8226;<span class="ff1 ls1c ws17"> Surface Mount Package SOT-223, TO-252, TO-220, SOT-89, TO-263, &amp; SO-8</span></div><div class="t m0 x9 hc y18 ff2 fs8 fc0 sc0 ls1d ws18">PRODUCT DESCRIPTION</div><div class="t m0 x9 h2 y19 ff1 fs0 fc0 sc0 ls1e ws19">The ALPHA Semiconductor AS1117 is a low power positive-voltage regulator designed to meet 800mA output current and comply</div><div class="t m0 x9 h2 y1a ff1 fs0 fc0 sc0 ls1f ws1a">with SCSI-II specifications with a fixed output voltage of 2.85V. This device is an excellent choice for use in battery-powered</div><div class="t m0 x9 h2 y1b ff1 fs0 fc0 sc0 ls20 ws1b">applications, as active terminators for the SCSI bus, and portable computers. The AS1117 features very low quiescent current and</div><div class="t m0 x9 h2 y1c ff1 fs0 fc0 sc0 ls21 ws1c">very low dropout voltage of 1.2V at a full load and lower as output current decreases. AS1117 is available as an adjustable or fixed</div><div class="t m0 x9 h2 y1d ff1 fs0 fc0 sc0 ls22 ws1d">2.85V, 3V, 3.3V, and 5V output voltages.</div><div class="t m0 x9 h2 y1e ff1 fs0 fc0 sc0 ls23 ws1e">The AS1117 is offered in a 3-pin surface mount package SOT-223, TO-252, TO-220, SOT-89 &amp; TO-263. The output capacitor of</div><div class="t m0 x9 hd y1f ff1 fs0 fc0 sc0 ls6 ws2">10<span class="ff3 ls24">&#181;</span><span class="ls25 ws1f">F or larger is needed for output stability of AS1117 as required by most of the other regulator circuits. Use of ALPHA</span></div><div class="t m0 x9 h2 y20 ff1 fs0 fc0 sc0 ls26 ws20">Semiconductor&#8217;s design, processing and testing techniques make our AS1117 superior over similar products.</div><div class="t m0 x9 hc y21 ff2 fs8 fc0 sc0 ls27 ws21">ORDERING INFORMATION</div><div class="t m0 xa he y22 ff2 fs0 fc0 sc0 ls28 ws2">TO-220</div><div class="t m0 xb he y23 ff2 fs0 fc0 sc0 ls29 ws2">3-PIN</div><div class="t m0 xc he y22 ff2 fs0 fc0 sc0 ls28 ws2">TO-263</div><div class="t m0 xd he y23 ff2 fs0 fc0 sc0 ls29 ws2">3-PIN</div><div class="t m0 xe he y22 ff2 fs0 fc0 sc0 ls2a ws2">SOT-223</div><div class="t m0 xf he y23 ff2 fs0 fc0 sc0 ls29 ws2">3-PIN</div><div class="t m0 x10 he y22 ff2 fs0 fc0 sc0 ls2b ws2">PLASTIC</div><div class="t m0 x11 he y23 ff2 fs0 fc0 sc0 ls2c ws22">SOIC 8 PIN</div><div class="t m0 x12 he y22 ff2 fs0 fc0 sc0 ls2d ws2">SOT-89</div><div class="t m0 x13 he y23 ff2 fs0 fc0 sc0 ls29 ws2">3-PIN</div><div class="t m0 x14 he y22 ff2 fs0 fc0 sc0 ls28 ws2">TO-252</div><div class="t m0 x15 he y23 ff2 fs0 fc0 sc0 ls2e ws2">DPAK</div><div class="t m0 x16 he y22 ff2 fs0 fc0 sc0 ls2f ws23">Oper. Temp.</div><div class="t m0 x17 he y23 ff2 fs0 fc0 sc0 ls30 ws2">Range</div><div class="t m0 x18 h2 y24 ff1 fs0 fc0 sc0 ls31 ws2">AS1117U<span class="_ _8"> </span><span class="ls32">AS1117T<span class="_ _9"> </span><span class="ls33">AS1117M3<span class="_ _9"> </span><span class="ls34">AS1117S<span class="_ _a"> </span></span>AS1117M1<span class="_ _9"> </span><span class="ls35">AS1117R</span></span></span></div><div class="t m0 x19 hd y25 ff1 fs0 fc0 sc0 ls36 ws2">-40<span class="ff3 ls37">&#176;</span><span class="ls38 ws24">C to +85</span><span class="ff3 ls37">&#176;</span><span class="ls39">C</span></div><div class="t m0 x1a h2 y26 ff1 fs0 fc0 sc0 ls3a ws2">AS1117U-X<span class="_ _b"> </span><span class="ls3b">AS1117T-X<span class="_ _c"> </span><span class="ls3c">AS1117M3-X<span class="_ _c"> </span><span class="ls3d">AS1117S-X<span class="_ _d"> </span></span>AS1117M1-X<span class="_ _c"> </span><span class="ls3e">AS1117R-X</span></span></span></div><div class="t m0 x19 hd y27 ff1 fs0 fc0 sc0 ls36 ws2">-40<span class="ff3 ls37">&#176;</span><span class="ls38 ws24">C to +85</span><span class="ff3 ls37">&#176;</span><span class="ls39">C</span></div><div class="t m0 x9 hf y28 ff1 fs9 fc0 sc0 ls3f ws25">X= Output Voltage (X = 1.5V, 2.5V, 2.85V, 3.0V, 3.3V, 5.0, or Blank for Adjustable)</div><div class="t m0 x1b hc y29 ff2 fs8 fc0 sc0 ls40 ws26">PIN CONNECTIONS</div><div class="t m1 x1c h10 y2a ff2 fsa fc0 sc0 ls41 ws27">Top View</div><div class="t m2 x1d h11 y2b ff1 fsb fc0 sc0 ls42 ws2">2</div><div class="t m2 x1d h11 y2c ff1 fsb fc0 sc0 ls42 ws2">1</div><div class="t m2 x1d h11 y2d ff1 fsb fc0 sc0 ls42 ws2">3</div><div class="t m2 x1d h11 y2e ff1 fsb fc0 sc0 ls42 ws2">4</div><div class="t m2 x1e h11 y2c ff1 fsb fc0 sc0 ls42 ws2">8</div><div class="t m2 x1e h11 y2b ff1 fsb fc0 sc0 ls42 ws2">7</div><div class="t m2 x1e h11 y2d ff1 fsb fc0 sc0 ls42 ws2">6</div><div class="t m2 x1e h11 y2e ff1 fsb fc0 sc0 ls42 ws2">5</div><div class="t m1 x1f h10 y2f ff2 fsa fc0 sc0 ls43 ws2">ALPHA</div><div class="t m1 x1f h10 y30 ff2 fsa fc0 sc0 ls44 ws2">AS1117</div><div class="t m1 x20 h10 y31 ff2 fsa fc0 sc0 ls45 ws28">8-Pin Surface Mount (S)</div><div class="t m1 x21 h10 y32 ff2 fsa fc0 sc0 ls43 ws2">ALPHA</div><div class="t m1 x21 h10 y33 ff2 fsa fc0 sc0 ls44 ws2">AS1117</div><div class="t m1 x22 h10 y34 ff2 fsa fc0 sc0 ls46 ws29">SOT-89 (M1)</div><div class="t m2 x23 h11 y35 ff1 fsb fc0 sc0 ls42 ws2">1</div><div class="t m2 x24 h11 y36 ff1 fsb fc0 sc0 ls42 ws2">2</div><div class="t m2 x25 h11 y2f ff1 fsb fc0 sc0 ls42 ws2">3</div><div class="t m1 x26 h10 y37 ff2 fsa fc0 sc0 ls43 ws2">ALPHA</div><div class="t m1 x26 h10 y38 ff2 fsa fc0 sc0 ls44 ws2">AS1117</div><div class="t m2 x27 h11 y39 ff1 fsb fc0 sc0 ls42 ws2">1<span class="_ _e"> </span>3<span class="_ _f"></span>2</div><div class="t m1 x28 h10 y3a ff2 fsa fc0 sc0 ls47 ws2a">SOT-223 (M3)</div><div class="t m1 x29 h10 y3b ff2 fsa fc0 sc0 ls41 ws27">Top View</div><div class="t m1 x2a h10 y3c ff2 fsa fc0 sc0 ls44 ws2b">TO-263-3 (T)</div><div class="t m2 x2b h11 y2d ff1 fsb fc0 sc0 ls42 ws2">1</div><div class="t m1 x2c h10 y3d ff2 fsa fc0 sc0 ls43 ws2">ALPHA</div><div class="t m1 x2c h10 y3e ff2 fsa fc0 sc0 ls44 ws2">AS1117</div><div class="t m2 x2d h11 y3f ff1 fsb fc0 sc0 ls42 ws2">2</div><div class="t m2 x2e h11 y40 ff1 fsb fc0 sc0 ls42 ws2">3</div><div class="t m1 x2f h10 y41 ff2 fsa fc0 sc0 ls48 ws2c">Front View</div><div class="t m1 x30 h10 y42 ff2 fsa fc0 sc0 ls49 ws2d"> TO-220-3 (U)</div><div class="t m1 xe h10 y43 ff2 fsa fc0 sc0 ls43 ws2">ALPHA</div><div class="t m1 x31 h10 y44 ff2 fsa fc0 sc0 ls44 ws2">AS1117</div><div class="t m2 x31 h11 y45 ff1 fsb fc0 sc0 ls42 ws2">1</div><div class="t m2 x32 h11 y46 ff1 fsb fc0 sc0 ls42 ws2">2<span class="_ _10"> </span>3</div><div class="t m0 x33 h12 y47 ff2 fsc fc0 sc0 ls4a ws2e">Front View</div><div class="t m0 x34 h12 y3a ff2 fsc fc0 sc0 ls4b ws2f">TO-252 (R)</div><div class="t m2 x35 h11 y48 ff1 fsb fc0 sc0 ls4c ws2">ADJ/GND</div><div class="t m2 x36 h11 y49 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x37 h13 y4a ff1 fsd fc0 sc0 ls4e ws2">OUT</div><div class="t m2 x38 h11 y4b ff1 fsb fc0 sc0 ls42 ws2">1<span class="_ _11"> </span>2<span class="_ _12"> </span>3</div><div class="t m2 x39 h11 y4c ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x3a h13 y4d ff1 fsd fc0 sc0 ls4f ws2">IN</div><div class="t m1 x3b h10 y4e ff2 fsa fc0 sc0 ls43 ws2">ALPHA</div><div class="t m1 x3b h10 y4f ff2 fsa fc0 sc0 ls44 ws2">AS1117</div><div class="t m2 x3c h11 y50 ff1 fsb fc0 sc0 ls4c ws2">ADJ/GND</div><div class="t m2 xf h11 y51 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x32 h13 y52 ff1 fsd fc0 sc0 ls4e ws2">OUT</div><div class="t m2 x3d h11 y51 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x3e h13 y53 ff1 fsd fc0 sc0 ls4f ws2">IN</div><div class="t m2 x3f h11 y54 ff1 fsb fc0 sc0 ls4c ws2">ADJ/GND</div><div class="t m2 x40 h11 y55 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x41 h13 y56 ff1 fsd fc0 sc0 ls4e ws2">OUT</div><div class="t m2 x42 h11 y57 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x43 h13 y58 ff1 fsd fc0 sc0 ls4f ws2">IN</div><div class="t m2 x44 h11 y59 ff1 fsb fc0 sc0 ls4c ws2">ADJ/GND</div><div class="t m2 x45 h11 y5a ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x46 h13 y5b ff1 fsd fc0 sc0 ls4e ws2">OUT</div><div class="t m2 x2e h11 y5c ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x47 h13 y5d ff1 fsd fc0 sc0 ls4f ws2">IN</div><div class="t m2 x48 h11 y5e ff1 fsb fc0 sc0 ls4d ws2">GND</div><div class="t m2 x49 h11 y2b ff1 fsb fc0 sc0 ls50 ws2">N/C</div><div class="t m2 x4a h11 y5f ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x4b h13 y60 ff1 fsd fc0 sc0 ls4e ws2">OUT</div><div class="t m2 x4a h11 y61 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x4b h13 y62 ff1 fsd fc0 sc0 ls4e ws2">OUT</div><div class="t m2 x4c h11 y2e ff1 fsb fc0 sc0 ls50 ws2">N/C</div><div class="t m2 x4d h11 y63 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x4e h13 y64 ff1 fsd fc0 sc0 ls4f ws2">IN</div><div class="t m2 x4d h11 y65 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x4e h13 y66 ff1 fsd fc0 sc0 ls4f ws2">IN</div><div class="t m2 x4d h11 y67 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x4e h13 y68 ff1 fsd fc0 sc0 ls4f ws2">IN</div><div class="t m2 x4f h11 y69 ff1 fsb fc0 sc0 ls4c ws2">ADJ/GND</div><div class="t m2 x10 h11 y54 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x50 h13 y2e ff1 fsd fc0 sc0 ls4e ws2">OUT</div><div class="t m2 x51 h11 y54 ff1 fsb fc0 sc0 ls4d ws2">V</div><div class="t m3 x52 h13 y6a ff1 fsd fc0 sc0 ls4f ws2">IN</div><div class="t m1 x53 h10 y6b ff2 fsa fc0 sc0 ls41 ws27">Top View</div><div class="t m1 x27 h10 y6c ff2 fsa fc0 sc0 ls41 ws27">Top View</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div> </body> </html>
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