同步整流降压DC-DC转换器芯片ME3111，输入电压最高可达18V，支持3A负载电流
微盟电子ME3111是一款高效率的同步整流降压DC-DC转换器芯片，输入电压最高可达18V，内部集成两颗低导通电阻的NMOSFET功率开关，低侧开关导通电阻35mΩ，高侧开关导通电阻70mΩ，可支持3A负载电流。当带轻载时芯片工作在PFM模式，当带重载时芯片工作在连续电流的准PWM模式，开关频率500kHz。芯片采用COT控制架构，具有较快的负载瞬态响应。芯片集成过温保护、输入欠压锁定、逐周期限流保护、输出短路保护等功能来提升芯片的可靠性。
产品应用
ME3111主要应用在机顶盒、液晶电视等产品。
产品特点
ME3111是采用自适应COT恒定导通时间与谷值电流检测结合的架构，具有较快的动态响应，同时产品具有以下特点：
输入电压范围：4.8~18V
静态电流：130μA
集成较低Rds(on)的MOSFET (低侧/高侧)：40mΩ、80mΩ
参考电压值：0.6V±1.5%
VIN UVLO：4.6 V、4.8 V
逐周期限流保护：峰值限流5.5A，谷值限流4A
输出短路保护方式：打嗝模式
热关断：130℃、150℃
典型应用图
同类产品比较
ME3111是一款18V输入、3A带载的同步整流buck转换器芯片，这是一款较常见的通用料。产品目前测试基本功能正常，可以很好满足客户需求。ME3111所采用控制架构基于自适应COT控制方式，具有较快的动态响应，下表是一些参数对比。
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本文由Vicky转载自MicrOne（微盟电子公众号），原文标题为:ME3111——高效 500 kHz ，18 V 输入，3 A 负载，同步整流 降压 DC-DC 转换器，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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型号- 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深圳市必易微电子股份有限公司
描述- 深圳市必易微电子股份有限公司是一家专注于高性能模拟及数模混合集成电路的供应商，提供AC-DC、DC-DC、驱动IC、保护IC、线性稳压、电池管理、放大器、数模转换器、传感器、隔离与接口等产品。公司致力于创新和易于使用，为消费电子、工业控制、网络通讯、数据中心、汽车电子等领域提供一站式芯片解决方案和系统集成。公司发展迅速，拥有多个研发中心，并与多家知名企业建立了合作关系。
型号- KP52X20X,KP22065A,KP3282,KP13262,KP52X218,KP23130M,KP3281,KP311BH,KP13264,KP206D,KP16014A,KP206A,KP206B,KP36374,KP1326A,KP36373,KP12761FQ,KP21825CB,KP2064,KP22066A,KP524208A,KP2182,KPE30182M,KP40581P,KP30172M,KP21822M,KP85303,KP571106X,KP85302,KP1315A,KP85301,KP21822F,KPE30181M,KP107W,KPE90772B,KP40511,KP40512,KP107L,KP620303,KP23132M,KP1071CL,KP23132K,KP107Q,KP10780L,KP23162,KP23161,KP23160,KP21824BM,KP620305,KP521111A,KP21823M,KP523201A,KP35026,KP1469A,KP85211,KP35022,KP1074,KP52X201,KP1073,KP1194,KP1076,KP522211D,KP522211B,KP52X208,KP23264M,KP522211A,KP1469K,KS11062E,KP1191,KP1190,KP22086,KP1072,KP10781L,KP1193,KP13251,KP1192,KP22083,KP13252,KP22082,KP13134,KP13255,KP22081,KP13254,KP22080,KP523201C,KP13135,KP523201B,KP523201D,KP85201,KP85321,KP57223X,KP1184,KP52X211,KP35031,KP21824H,KP40612,KP3126,KP40613,KP4214,KP21824M,KP4213,KP21824L,KP40611,KP23122M,KP23267,KP23267M,KP21825C,KS082,KP4050,KP86202,KP86201,KP571115X,KP36573,KP36572,KP40660B,KS11064E,KP522201D,KP522201C,KP522201B,KP522201A,KP22066,KP22064,KP722XX,KP3501A,KP23151,KP22062,KP23150,KP70211XS,KP70211XT,KP523208B,KP523208A,KP523208D,KP1274FQH,KP523208C,KP2315A,KP1274FQC,KPE90771,KP2206A,KPE90773,KP21827B,KP22035,KP107BQ,KP23112M,KP22033,KP23121,KP52X10X,KP14651,KP14652,KP12353,KP12354,KP14653,KP14654,KP36675,KP36674,KP520411,KP36673,KP520419,KP21827M,KP23111M,KP107CQ,KP23132,KP23131,KP23130,KP90831,KP1274FNQ,KP90477X,KP523218D,KP523218A,KP35112,KP523218B,KP3284,KPE90874,KP1271FH,KP7122,KP522218D,KP522218B,KP522218A,KP18003B,KP16015,KP18003A,KP1271FN,KP16014,KP16017,KP1070L,KP22080H,KP18002F,KP1070Q,KP1601A,KP521401,KP12760F,KP521405,KP521403,KP7112,KP521409,KP22308A,KP522302E,KP15051,KP14622H,KP15052,KP22082A,KP22082B,KP14634A,KP1071L,KP32622,KP1601X,KP1505A,KP1071Q,KP81103,KP81102,KP81101,KP520421,KP1271FC,KP520429,KP1272FH,KP522208D,KP522208C,KP521119A,KP522208B,KP522208A,KP18320A,KP1272FN,KP14633A,KP40662B,KP21827,KP21824,KP21825,KP21822,KP4060,KP93101,KP41540,KP14632A,KP32601,KP83201A,KP83201B,KP83201C,KP40661B,KP521411,KP41662,KP1272FC,KP521419,KP23162M,KP40561,KP23162K,KP2822,KP12684FM,KP85632,KP85631,KP522405A,KP522405B,KP40562,KP40511P,KP31616,KP421,KP31614,KP22062A,KP1601,KP522403,KP522405,KP23152M,KP2806,KP18001A,KP521101,KP321AB,KP521103,KP521102,KP522312,KP52230X,KP12760FQ,KP521109,KP35064,KP521108,KP522318,KP521107,KP522403A,KP35062,KP12762F,KP522403B,KP14636L,KP522308E,KP14624H,KP15113,KP15114,KP511419,KP15111,KP521401A,KP15112,KP22064A,KP85402,KP1402A,KP522302,KP83102,KP12761F,KP522308,KP408X,KP1402D,KP127FQ,KP42262,KP18032,KP42261,KP1271FNQ,KP212,KP40612B,KP1078CL,KP2264H,KP10790,KP10791,KP10792,KP1078R,KP523302,KP2591A,KP521001,KP52220X,KP521009,KP1079A,KP523308,KP3210B,KP68301,KP521403A,KP40611B,KP1164M,KP2120B,KP522201,KP521111,KP22308,KP521119,KP22306,KP1076C,KP511101,KP2262H,KP512318,KP511109,KP32551,KP1511,KP523201,KP1078AL,KP1077A,KP1077B,KP41260,KP41261,KP2806A,KP68321,KP41262,KP521405A,KP5711XXX,KP201,KP1078BL,KP10780,KP18026,KP10781,KP28071,KP30262,KP522101,KP512318D,KP28134A,KP206,KP523312,KP13135A,KP22315A,KP40512M,KP1078A,KP1078B,KP523318,KP1078C,KP1273FN,KP41260D,KP1074L,KP14631A,KP511009,KP10750,KP10751,KP10752,KP1074Q,KP1455,KP28033,KP28032,KP3637,KP28034,KP1075A,KP1075B,KP1075C,KP70311X,KP18003,KP41361,KP22305L,KP10760,KP10761,KP10762,KP1075Q,KP30362,KP1326,KP28162,KP1325,KP22305A,KP52320X,KP1273FC,KP1076A,KP12682F,KP1076B,KP1274FC,KP2801A,KP2813A,KP18330,KP1274FH,KP1274FN,KP32511,KP1274FQ,KP2161B,KP1072L,KP32512,KP1313,KP119,KP1072Q,KP1315,KP526201C,KP116,KP526201B,KP526201A,KP118,KP22306A,KP52420X,KP21863,KP521409A,KP18106,KP123,KP122,KP18103,KP1073L,KP18108,KP1073Q,KP30584,KP3251A,KP23223,KP23223M,KP526208C,KP526208B,KP526208A,KP1273FQC,KP107AL,KP1463A,KP3310,KP1255,KP3311,KP23112,KP107AQ,KP23111,KP23110,KP571110X,KP2311A,KP2202A,KP2212,KP70311XT,KP70311XS,KP70211X,KP41262C,KP90641,KP525201A,KP12551,KP525201C,KP525201B,KP12553,KP12554,KP2205,KP2206,KP2203,KP2126B,KP2208,KP2201,KP2202,KP1234,KP90871,KP90872,KP41261C,KP90873,KP41261D,KP571100X,KP14622,KP14623,KP14501,KP1272FQH,KP52520X,KP2212B,KP1272FQC,KP1221,KP1462,KP1220,KP1465,KP1222,KP512318S,KP90661,KP1182,KP641100,KP311A,KP311B,KP3116,KP525208B,KP52620X,KP525208A,KP525208C,KP653202,KP653201,KP2264,KP3111,KP52X302,KP2262,KP13134A,KP3114,KP3112,KP642201,KP201H,KP642202,KP642203,KP201F,KPE201K,KP68500,KP1272FNQ,KP642200,KP201A,KP571130X,KP523211B,KP523211A,KP201E,KP523211D,KP201B,KP201C,KP2210A,KP1162,KP2011,KP3221,KS11064,KP1164,KS11062,KP2591(A),KP2012,KP3222,KP2013,KP620105,KP521909,KP18053,KP641003,KP1274F,KP620103,KP3211B,KP18058,KP18057,KP18056,KP18055,KP212A,KP18059,KP127F,KP321B,KP2122B,KP1271FQH,KP1271FQC,KP521901,KP18061,KP15113A,KP3212B,KP18062,KP18069,KP18068,KP68520,KP571120X,KP3206,KP2123B,KP3205,KP15114H,KP2591,KP524201A
【选型】东科半导体（DK）AC-DC交直流隔离式副边反馈开关/隔离式原边反馈开关/非隔离开关/同步整流开关芯片和充电器芯片选型指南
目录- 企业简介 AC-DC和同步整流产品线 机顶盒/家电/适配器/充电器/照明应用产品示意图 AC-DC/同步整流产品特性参数表 交直流隔离式副边反馈开关电源转换芯片 交直流隔离式原边反馈开关电源转换芯片 交直流非隔离开关电源转换芯片 交直流同步整流开关电源控制芯片 充电器芯片
型号- DK5V60R20C,DK5V45R15ST1,DK5V60R20D,45R25,DK5V45R25C,60R20,DK5V85R15S,DK5V45R25D,60R25,DK212,DK2X010,DKX036,DK5V120R10ST1,120R15,DK218,DK5V45RXXP,DKS024,DK5V45RXXM,120R10,DK5V45RXXS,DK5V100R10ST1,DK5V100R25M,45R20,DK5V85R20D,DK5V85R20C,100R05,DK5V100R25S,DK5V85R10ST1,45R15,DK5V60R15D,45R10,DK5V150R20S,100R20,DK5V45R10ST1,DK5V60R15S,DK5V100R15C,DK5V100R15D,DK5V60R30S,DK5V45R25P,DK112B,DK5V85R15D,DK5V45R25S,DKS036,DK112A,DK5V150R25ST1,DK5V85R15C,100R10,DK5V60R15C,100R15,120R05,45R05,DK5V150R15S,DK5V100RXXC,45R03,DK5V100RXXD,DK5V150R15ST1,DK5V100R25ST1,DK5V120RXXST1,DK2300,DK5V150RXXST1,DK5V85R10C,DKX012,DK5V60R25S,DK5V45R10M,DK1203B,DK5V45R10S,DK1203A,DK5V85R10D,DK5V100R25D,DK5V100R05ST1,DK5V60R25C,DK5V60R25D,DK5V45RXXC,DK5V45RXXD,DK265,DK5V85R20S,DK5V100R25C,DK5V100RXXS,DKX024,DKS012,150R15,DK5V60RXXS,DK5V45R05ST1,150R10,DK5V100RXXM,DK5V60RXXD,DK5V150R25S,DK5V100R10C,DK5V100R10D,DK5V60RXXC,DK136,DK5V45R05M,DK412,DK5V85RXXD,DKS065,DK5V85RXXC,85R05,DK935,DK938,85R03,150R25,DK5V45R20P,DK5V45R20S,DK236M,DK5V45RXXST1,DK5V85RXXST1,DK212M,DK5V120RXXM,DK224M,DK5V85R10S,DK5V150RXXS,DK5V120R20ST1,DK5V45R20ST1,DK5V100R20ST1,DK1203,DK5V45R10C,DK125,DK124,DK5V45R10D,DK245,DK5V60R10S,DK1208,DK5V100R10S,DK924,DK5V150R25M,DK5V100R10M,DK5V60R10C,DK5V60R10D,DK5V100R20C,DK5V100R20D,DK5V120R25ST1,DK5V85R25S,DK5V45R15D,DK5V45R15C,DK2100,DK112,60R03,DK2500,60R05,DKX065,DK5V100RXXST1,DK236,DK910,DK912,DK913,85R25,DK5V100R15M,DK918,DK218M,100R25,85R20,DK5V100R15S,DK5V150RXXM,DK5V85RXXS,DK5V150R10S,60R10,DK224,DK5V45R20D,60R15,DK5V45R20C,DK501,DK106,DK502,DK5V85R25D,DK5V60R20S,DK5V45R15M,120R25,DK903,DK5V100R20S,120R20,DK905,DK5V85R25C,DK5V100R15ST1,DK5V45R15S,85R15,DK5V85R15ST1,DK906,85R10,DK908,DK5V100R20M
宝砾微（powlicon）电源管理芯片选型指南
目录- 公司简介 DC-DC AC-DC 电池充电管理 数模混合SOC 其它电源管理芯片产品
型号- PL84051,LYF95101X,LYF8F30832,PL8105X,PL8316,PL9406,PL9405,LYF91133,PL3301X,PL5002,PL8312,LYF95101C,PL5601,LYF95101A,PL1201,PL59011,LYF91131A,PL9001,PL8310,LYF91131B,PL89032,PL8805X,PL5802B,LYF98103,PL1402,PL1401,PL3305,LYF8F2021,LYF40011N65,LYF9603X,LYF92122,LYF93011,PL6301,LM324H,LYF9602X,PL8323,LYF4401-XX,PL8403,PL83251,PL8322,LYF65GN04,PL8332G,LYF65GN02,LM4580,LYF9021,LYF1020N10,LYF9604X,PL8810X,LYF91750,LYF32F764,PL56001,LM321H,PL83222,PL5701,PL5700,PL5501,PL5500,PL6830,LM4558,PL89052,LYF78LXX,LYF92021,LYF98001,LYF8F2041,LYF91132,LYF91131,PL8205X,PL6200,PL30502,LM358H,PL8106
开关频率550kHz的同步整流降压DC-DC转换器ME3125，输入电压范围4.6~24V
MicrOne推出的ME3125是一款高效率、高功率密度的同步整流降压DC-DC转换器，集成两个低导通电阻的功率开关来减低开关的功率损耗。ME3125具有4.6V~24V的宽输入电压范围和5A带载能力，芯片采用自适应恒定导通时间与电流模结合的控制架构，开关频率550kHz，具有较快的动态响应。芯片集成过温保护、输入欠压锁定、逐周期限流保护、输出短路保护等功能来提升芯片的可靠性。
MP1484 3A、18V、340kHz同步整流降压转换器
描述- MP1484是一款集成同步降压转换器，具有宽输入电压范围、高效率、可编程软启动等功能，适用于FPGA、ASIC、DSP电源、绿色电子/家电、LCD电视、笔记本电脑等领域。
型号- MP1484,MP1484ME/TR
同步整流降压DC-DC转换器芯片ME3110，输入耐压18V，可带载2A，具有较低的导通内阻
MicrOne ME3110是一款输入耐压18V、可带载2A的同步整流降压（Step-Down）DC-DC转换器芯片。内置NMOSFET的功率开关，具有较低的导通内阻，确保较高的效率和带载能力。采用自适应恒定关断时间的控制方式，相较于传统电流模、电压模等方式具有更快速的动态响应。
3A负载的同步整流降压DC-DC转换器ME3123，输入电压4.7~40V，支持PFM/PWM自动切换
MicrOne ME3123是一款高效率、高功率密度的同步整流降压DC-DC转换器，集成两个低导通电阻的功率开关来减低开关的功率损耗。ME3123具有4.7V~40V的宽输入电压范围和3A带载能力，支持PFM/PWM自动切换，内置环路补偿、输入UVLO、限流保护、过温保护和输出短路保护，可以为机顶盒或液晶电视提供高效率、小型化的供电方案。
HG1484 3A，18V，340kHz同步整流降压转换器
描述- 该资料介绍了HG1484同步降压转换器，一款适用于4.75V至18V宽输入电压范围的3A连续输出电流的器件。该转换器集成了高侧和低侧85mΩ功率MOSFET开关，具有高达95%的效率，可编程软启动功能，以及固定340KHz频率等特性。
型号- HG1484,HG1484ME/TR
具有7.3V OVP的ETA3499 3A、1MHz同步降压转换器
描述- 该资料介绍了ETA3499是一款高效率的DC至DC降压转换器，具有宽输入电压范围（2.4V至7.3V），最大输出电流可达3A。它运行在1MHz固定频率下，适用于低电压功率转换。该器件采用内部补偿电路和同步整流技术，提高了效率和降低了噪声。
型号- ETA3499S2G,ETA3499
LC2202 2A 2MHz 5.5V同步降压转换器
描述- LC2202是一款高效率的同步降压转换器，可提供高达2A的输出电流。该器件工作在2.6V至5.5V的输入电压范围内，并提供从0.6V到VIN的输出电压。固定频率为2MHz允许使用小型外部组件，同时仍能提供低纹波输出。其内部同步整流器和出色的效率使其成为大型功率消耗线性稳压器理想的替代品。
型号- LC2202CB5TR,LC2202
ICW3128【开关电源控制器集成电路】器件参数表
描述- ICW3128是一款由合肥艾创微电子科技有限公司生产的同步整流降压DC-DC转换器集成电路。该芯片具备高效率、宽输入电压范围（4.7V ~ 40V）、低导通电阻和高负载能力（3A），适用于多种电源转换应用。
型号- ICW3128,ICW3128ASPG,ICW3128XXXG
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可定制车规级电感的电流范围0.3~17.9A，尺寸最小1x0.55x0.5mm到最大12.5x12.5x6mm，工作频率100KHz~2MHz，感值范围：0.47uH~4.7mH。符合IATF16949和AECQ-200。SPQ为5K。
提交需求>
可定制电感最大电流100A，尺寸最小7 x 7 x 3.0mm到最大35 x 34 x 15.5 mm，工作频率100KHZ ~ 2MHZ，感值范围：0.15 ~ 100uh；支持大功率电感，扁平线电感，大电流电感，高频电感，汽车电感器，车规电感，一体成型电感等定制。
最小起订量： 5000 提交需求>
授权代理品牌：集成电路
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授权代理品牌：电工工具及材料
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