LM2576的TO−220 TV SUFFIX CASE 314B−05 pcb库

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LM2576PACKAGE DIMENSIONS TO−220 TV SUFFIX CASE 314B−05 ISSUE J 自己做的封装库仅供参考
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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/6265d43e4f8811599e92510c/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/6265d43e4f8811599e92510c/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">&#63721;<span class="_"> </span><span class="ff2 ws1"> Semiconductor Components Industries, LLC, 2004</span></div><div class="t m0 x1 h3 y2 ff3 fs1 fc0 sc0 ls1 ws2">June, 2004 &#8722; Rev<span class="_ _0"></span>. 5</div><div class="t m0 x2 h3 y3 ff3 fs1 fc0 sc0 ls0 ws0">1<span class="_ _1"> </span><span class="ff2 ls2">Publication Order Number:</span></div><div class="t m0 x3 h3 y4 ff3 fs1 fc0 sc0 ls0 ws0">LM2576/D</div><div class="t m0 x4 h4 y5 ff4 fs2 fc0 sc0 ls0 ws0">LM2576</div><div class="t m0 x4 h4 y6 ff4 fs2 fc0 sc0 ls3 ws3">3.0 A, 15 V<span class="_ _2"></span>, Step&#8722;Down</div><div class="t m0 x4 h4 y7 ff4 fs2 fc0 sc0 ls0 ws4">Switching Regulator</div><div class="t m0 x5 h5 y8 ff5 fs3 fc0 sc0 ls0 ws5">The LM2576 series of regulators are monolithic integrated circuits</div><div class="t m0 x4 h5 y9 ff5 fs3 fc0 sc0 ls0 ws6">ideally suited <span class="_ _3"></span>for easy and convenient design of a step&#8722;down</div><div class="t m0 x4 h5 ya ff5 fs3 fc0 sc0 ls0 ws7">switching regulator (buck converter). All circuits of this series are</div><div class="t m0 x4 h5 yb ff5 fs3 fc0 sc0 ls4 ws8">capable of driving a 3.0 A load with excellent line and load regulation.</div><div class="t m0 x4 h5 yc ff5 fs3 fc0 sc0 ls0 ws9">These devices are available in fixed output voltages of 3.3 V<span class="_ _4"></span>, 5.0 V<span class="_ _4"></span>,</div><div class="t m0 x4 h5 yd ff5 fs3 fc0 sc0 ls5 ws0">12 V<span class="_ _4"></span>, 15 V<span class="_ _4"></span>, and an adjustable output version.</div><div class="t m0 x5 h5 ye ff5 fs3 fc0 sc0 ls6 ws0">These regulators were designed to minimize the number of external</div><div class="t m0 x4 h5 yf ff5 fs3 fc0 sc0 ls0 wsa">components to simplify the power supply design. Standard series of</div><div class="t m0 x4 h5 y10 ff5 fs3 fc0 sc0 ls0 wsb">inductors optimized for use with the LM2576 are offered by several</div><div class="t m0 x4 h5 y11 ff5 fs3 fc0 sc0 ls5 ws0">different inductor manufacturers.</div><div class="t m0 x5 h5 y12 ff5 fs3 fc0 sc0 ls0 wsc">Since the LM2576 converter is a switch&#8722;mode power supply<span class="_ _0"></span>, its</div><div class="t m0 x4 h5 y13 ff5 fs3 fc0 sc0 ls7 wsd">efficiency<span class="_ _5"></span> is significantly<span class="_ _5"></span> higher in<span class="_ _5"></span> comparison with<span class="_ _5"></span> popular</div><div class="t m0 x4 h5 y14 ff5 fs3 fc0 sc0 ls8 ws8">three&#8722;terminal<span class="_ _0"></span> linear regulators, especially with higher input voltages.</div><div class="t m0 x4 h5 y15 ff5 fs3 fc0 sc0 ls0 wse">In many cases, the power dissipated is so low that no heatsink is</div><div class="t m0 x4 h5 y16 ff5 fs3 fc0 sc0 ls5 ws0">required or its size could be reduced dramatically<span class="_ _0"></span>.</div><div class="t m0 x5 h5 y17 ff5 fs3 fc0 sc0 ls0 wsf">A standard series of inductors optimized for use with the LM2576</div><div class="t m0 x4 h5 y18 ff5 fs3 fc0 sc0 ls0 ws10">are available from several different manufacturers. This feature</div><div class="t m0 x4 h5 y19 ff5 fs3 fc0 sc0 ls9 ws0">greatly simplifies the design of switch&#8722;mode power supplies.</div><div class="t m0 x5 h6 y1a ff5 fs3 fc0 sc0 lsa ws0">The LM2576 features include a guaranteed <span class="_ _3"></span><span class="ff1 ls0">&#177;</span><span class="lsb ws11">4% tolerance on output</span></div><div class="t m0 x4 h5 y1b ff5 fs3 fc0 sc0 lsb ws8">voltage within specified input voltages and output load conditions, and</div><div class="t m0 x4 h6 y1c ff1 fs3 fc0 sc0 ls0 ws0">&#177;<span class="ff5 ws12">10% on the oscillator frequency (</span>&#177;<span class="ff5 ws13">2% over 0</span>&#176;<span class="ff5 ws14">C to 125</span>&#176;<span class="ff5">C). External</span></div><div class="t m0 x4 h5 y1d ff5 fs3 fc0 sc0 ls0 ws15">shutdown is included, featuring 80 <span class="ff6 ws0">&#58882;</span><span class="ws16">A (typical) standby current. The</span></div><div class="t m0 x4 h5 y1e ff5 fs3 fc0 sc0 ls0 ws17">output switch includes cycle&#8722;by&#8722;cycle current limiting, as well as</div><div class="t m0 x4 h5 y1f ff5 fs3 fc0 sc0 ls5 ws0">thermal shutdown for full protection under fault conditions.</div><div class="t m0 x4 h7 y20 ff3 fs4 fc0 sc0 ls0 ws0">Features</div><div class="t m0 x4 h8 y21 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">3.3 V<span class="_ _4"></span>, 5.0 V<span class="_ _4"></span>, 12 V<span class="_ _4"></span>, 15 V<span class="_ _7"></span>, and Adjustable Output V<span class="_ _4"></span>ersions</span></div><div class="t m0 x4 h8 y22 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">Adjustable V<span class="_ _4"></span>ersion Output V<span class="_ _7"></span>oltage Range, 1.23 to 37 V <span class="ff1 ls0">&#177;<span class="ff5">4%</span></span></span></div><div class="t m0 x6 h5 y23 ff5 fs3 fc0 sc0 ls5 ws0">Maximum Over Line and Load Conditions</div><div class="t m0 x4 h8 y24 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">Guaranteed 3.0 A Output Current</span></div><div class="t m0 x4 h8 y25 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">W<span class="_ _0"></span>ide Input V<span class="_ _7"></span>oltage Range</span></div><div class="t m0 x4 h8 y26 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">Requires Only 4 External Components</span></div><div class="t m0 x4 h8 y27 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">52 kHz Fixed Frequency Internal Oscillator</span></div><div class="t m0 x4 h8 y28 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">TTL Shutdown Capability<span class="_ _0"></span>, Low Power Standby Mode</span></div><div class="t m0 x4 h8 y29 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3">High Efficiency</span></div><div class="t m0 x4 h8 y2a ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">Uses Readily A<span class="_ _0"></span>vailable Standard Inductors</span></div><div class="t m0 x4 h8 y2b ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">Thermal Shutdown and Current Limit Protection</span></div><div class="t m0 x4 h8 y2c ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">Moisture Sensitivity Level (MSL) Equals 1</span></div><div class="t m0 x4 h8 y2d ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls6 ws8">Pb&#8722;Free Packages are A<span class="_ _0"></span>vailable*</span></div><div class="t m0 x4 h7 y2e ff3 fs4 fc0 sc0 ls0 ws18">Applications</div><div class="t m0 x4 h8 y2f ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 lsc ws11">Simple High&#8722;Efficiency Step&#8722;Down (Buck) Regulator</span></div><div class="t m0 x4 h8 y30 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls9">Efficient Pre&#8722;Regulator for Linear Regulators</span></div><div class="t m0 x4 h8 y31 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls6">On&#8722;Card Switching Regulators</span></div><div class="t m0 x4 h8 y32 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls6">Positive to Negative Converter (Buck&#8722;Boost)</span></div><div class="t m0 x4 h8 y33 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls6">Negative Step&#8722;Up Converters</span></div><div class="t m0 x4 h8 y34 ff1 fs5 fc0 sc0 ls0 ws0">&#8226;<span class="_ _6"> </span><span class="ff5 fs3 ls5">Power Supply for Battery Chargers</span></div><div class="t m0 x7 h9 y35 ff2 fs6 fc0 sc0 lsd ws0">Se<span class="_ _3"></span>e detailed ordering and shipping information in the package</div><div class="t m0 x7 h9 y36 ff2 fs6 fc0 sc0 lse ws0">dimensions section on page 24<span class="_ _5"></span> of this data sheet.</div><div class="t m0 x8 h7 y37 ff3 fs4 fc0 sc0 ls0 ws19">ORDERING INFORMA<span class="_ _0"></span>TION</div><div class="t m0 x9 ha y38 ff2 fs1 fc0 sc0 ls0 ws0">1</div><div class="t m0 xa ha y39 ff2 fs1 fc0 sc0 ls0 ws0">5</div><div class="t m0 xb h3 y3a ff3 fs1 fc0 sc0 ls0 ws0">TO&#8722;220</div><div class="t m0 xc h3 y3b ff3 fs1 fc0 sc0 lsf ws0">TV SUFFIX</div><div class="t m0 xd h3 y3c ff3 fs1 fc0 sc0 lsf ws0">CASE 314B</div><div class="t m0 xe ha y3d ff2 fs1 fc0 sc0 ls0 ws0">1</div><div class="t m0 xf ha y3e ff2 fs1 fc0 sc0 ls0 ws0">5</div><div class="t m0 x10 ha y3f ff2 fs1 fc0 sc0 lsf ws0">Heatsink surface connected to Pin 3</div><div class="t m0 x11 h3 y40 ff3 fs1 fc0 sc0 ls0 ws0">TO&#8722;220</div><div class="t m0 x12 h3 y41 ff3 fs1 fc0 sc0 lsf ws0">T SUFFIX</div><div class="t m0 x13 h3 y42 ff3 fs1 fc0 sc0 lsf ws0">CASE 314D</div><div class="t m0 x14 ha y43 ff2 fs1 fc0 sc0 ls0 ws0">Pin<span class="_ _8"> </span>1.<span class="_ _9"> </span>V</div><div class="t m0 x15 hb y44 ff2 fs7 fc0 sc0 ls10 ws0">in</div><div class="t m0 x16 ha y45 ff2 fs1 fc0 sc0 ls0 ws0">2.<span class="_ _9"> </span>Output</div><div class="t m0 x16 ha y46 ff2 fs1 fc0 sc0 ls0 ws0">3.<span class="_ _9"> </span>Ground</div><div class="t m0 x16 ha y47 ff2 fs1 fc0 sc0 ls0 ws0">4.<span class="_ _9"> </span>Feedback</div><div class="t m0 x16 ha y48 ff2 fs1 fc0 sc0 ls0 ws0">5.<span class="_ _9"> </span>ON</div><div class="t m0 x17 ha y49 ff2 fs1 fc0 sc0 ls0 ws0">/OFF</div><div class="t m0 x11 h3 y4a ff3 fs1 fc0 sc0 ls0 ws0">D</div><div class="t m0 x18 hc y4b ff3 fs7 fc0 sc0 ls0 ws0">2</div><div class="t m0 x19 h3 y4a ff3 fs1 fc0 sc0 ls11 ws0">PA<span class="_ _a"></span>K</div><div class="t m0 x1a h3 y4c ff3 fs1 fc0 sc0 lsf ws0">D2T SUFFIX</div><div class="t m0 x1b h3 y4d ff3 fs1 fc0 sc0 lsf ws0">CASE 936A</div><div class="t m0 x1c ha y4e ff2 fs1 fc0 sc0 lsf ws0">Heatsink surface (shown as terminal 6 in</div><div class="t m0 x1c ha y4f ff2 fs1 fc0 sc0 ls2 ws0">case outline drawing) is connected to Pin 3</div><div class="t m0 x7 h9 y50 ff2 fs6 fc0 sc0 ls0 ws1a">See general marking information in the device marking</div><div class="t m0 x7 h9 y51 ff2 fs6 fc0 sc0 lse ws0">section on page 24 of this data sheet.</div><div class="t m0 x1c h7 y52 ff3 fs4 fc0 sc0 ls0 ws1b">DEVICE MARKING INFORMA<span class="_ _0"></span>TION</div><div class="t m0 xe ha y53 ff2 fs1 fc0 sc0 ls0 ws0">1</div><div class="t m0 x1d ha y54 ff2 fs1 fc0 sc0 ls0 ws0">5</div><div class="t m0 x1e h7 y55 ff3 fs4 fc0 sc0 ls0 ws0">http://onsemi.com</div><div class="t m0 x7 ha y56 ff2 fs1 fc0 sc0 ls1 ws0">*For additional information on our Pb&#8722;Free strategy </div><div class="t m0 x1f ha y57 ff2 fs1 fc0 sc0 ls1 ws0">and soldering details, please download the</div><div class="t m0 x1f ha y58 ff2 fs1 fc0 sc0 ls1 ws0">ON Semiconductor Soldering and Mounting</div><div class="t m0 x1f ha y59 ff2 fs1 fc0 sc0 ls1 ws0">T<span class="_ _7"></span>echniques Reference Manual, SOLDERRM/D.</div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></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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