【选型】PoE安防监控摄像机各模块上的安全防护器件选型推荐

时间： 2019-06-13 来源：Central

技术问答

Central Semiconductor(美国中央半导体公司，简称Central) 是世界顶级分立半导体制作商，迄今已有42年历史。获得ISO9001:2008认证，生产的元器件符合 RoHS2 和 REACH 要求，力求为客户提供高品质高可靠性产品；与顶级OEM 设计师合作，提供创新解决方案。

下面是Central相关安全防护器件芯片在PoE安防监控摄像机的产品各部分上的应用，包括I/O Protection、uController Function、Motor Drive/Control、PoE Controller和Audio Amp五大部分。

由于POE系统中可用于驱动电源器件(PD)的驱动电流能力有限，因此节能器件的利用是至关重要的。中央半导体公司(Central)提供分布式半导体解决方案，最大限度地减少传输损耗，这极大地帮助工程师提高PD的整体能源效率。

1、I/O Protection

其中I/O Protection可使用3款Central研发的瞬态电压抑制器（TVS）：C4SMAFL58A、1SMB58CA、1.5SMC68CA；其中1.5SMC6.8CA和1.5SMC68CA系列是表面贴装式双向玻璃钝化结瞬态电压抑制器，用于保护电压敏感元件免受高压瞬变，而C4SMAFL58A系列器件是标准SMA瞬态电压抑制器的一种小型替代品，符合现有的行业标准的SMA焊盘布局规范。

2、uController Function

uController Function上推荐了 3款低空闲电流齐纳二极管 (CMOZ5L1、CMOZ12L、CMDZ5L1) 和4款暂态电压抑制器（CFTVS5V0LC、CMO5V0LC、CMATVS3V3、CSMF03V3C）。CMOZ5L1、CMOZ12L和CMDZ5L1齐纳二极管功耗均是250mW，其中CMOZ5L1和CMDZ5L1工作电压是5.1V，CMOZ12L为12V。封装上CMDZ5L1采用较小的SOD-323封装，其余两款均是SOD-523。

4款TVS中，CFTVS5V0LC和CMO5V0LC是5V供电的低电容、小体积的ESD TVS保护器，CMATVS3V3 和CSMF03V3C是3.3V供电的ESD TVS，其中CMATVS3V3具有超低压低泄漏的特点，它封装在节省空间的SOD-923表面贴装外壳中，体积小，响应快，当二极管的两极受到反向瞬态高能量冲击时，可有效地保护电子线路中的精密元器件，免受ESD脉冲的损坏；CSMF03V3C系列是一个5线齐纳阵列，采用一个超小型SOT-363封装，这样的设计是为了保护敏感的电子设备，如计算机、网络通信、手机和仪器不受过电压瞬变和静电放电损坏的影响。电压范围是3.3V到36V。

3、Motor Drive/Control

PoE安防监控摄像机中的电机驱动控制可以应用的MOSFET、瞬态电压抑制器和低泄漏二极管如下，CMLDM8005和CMLDM7005均为20V，最大漏源电流为650mA的MOSFET， CMLDM 8005由双P沟道增强模硅MOSFET组成，跟它相对应的是双N沟道的CMLDM7005。可用于负载开关/电平转换，电池充电，升压开关，高速脉冲放大器和驱动器应用。这些MOSFET提供非常低的RDS(ON)和低阈值电压。而CEDM8004和CEDM7002AE则分别是P沟道和N沟道的小型MOSFET，均采用SOT-883L封装，CEDM8004的ESD保护电压达到2kV，同样具有低RDS(ON)和低阈值电压等特点。此外，CEDM7002AE是专为高速脉冲放大器和驱动器应用而设计的2N7002增强模N沟道MOSFET的特殊ESD保护版本。

SOD-523封装的齐纳二极管CMOZ5L1和CMOZ12L因其低功耗，低空闲电流等特性也被应用于此。除了这两款外，还有一款低泄漏二极管CFD4448也不错，采用SOD-882L的小型封装，工作电压达到120V。

4、PoE Controller

以太网电源(POE)控制器用于控制直流电源和数据从电源设备(PSE)到供电设备(PD)的传输。它们在多通道上执行局部放电检测和分类、-48V功率分配和故障保护。这部分可以选择的肖特基式整流器有CBRHDSH1系列和CBRHDSH2系列，其中整流电压有100V和200V两个型号，分别是CBRHDSH1-100和CBRHDSH1-200，整流电流达到1A，如果是需要2A的电流，可以选择CBRHDSH2系列；齐纳二极管可以应用前面提到的CMOZ5L1和CMDZ5L1。

5、Audio Amp

在音频放大领域涉及到了CMLDM7002A和CMLDM8002A两款双沟道N/P管和CMOZ5L1齐纳二极管。CMLDM7002A与CMLDM8002A是专为高速脉冲放大器和驱动器应用而设计的，具备低RDS(on)和低VDS(on)等特点，其中CMLDM8002A是增强型P沟道场效应管，而CMLDM7002A是增强型N沟道场效应管2N7002的一个特殊版本，CMLDM7002AJ采用的是日本的引脚配置规范，而CMLDM7002A采用的是美国的引脚配置规范。总的来说，这两款场效应管都非常适合于做音频放大。

最后，关于更多PoE安防监控摄像机的应用方案可在世强元件电商平台搜索查阅

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全部评论（5）

uu Lv3. 高级工程师 2019-11-16

学习了。
铭铭 Lv4. 资深工程师 2019-11-05

学习
hghee Lv8. 研究员 2019-10-29

支持一个
有容乃大 Lv9. 科学家 2019-09-27

学习了
李四 Lv7. 资深专家 2019-07-20

学习了

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型号- CMUT3904,CMDZ10L,CMXZ9V1TO,CMZ5935B,P4SMA16A,CMUT3906,CMPZDC2V7,CMPZDC36V,CMSZ5252B,P6SMB56A,CLL4754A,CMF64A,CMR1U-04FL,CMPD2003,CMDZ10V,CMKBR-6F,CMDZ11L,CMZ5936B,CMFSH-3I,CMZ5926BP,CMPD2004,P4SMA17A,CMSZ5253B,CZT2222A,CZR1-04,5SMC100A,CMXZ7V5TO,3SMC5.0A,CLL4753A,1SMB7.5CA,CTLDM7120-M621H,CMDZ11V,CMUDW6001,1.5SMC13CA,CMUD6263E,CMDZ12L,CMSZ5250B,CMZ5933B,CMZ5939BP,P4SMA18A,CLL4752A,1SMB130A,CMHZ5229B,CMPZDC39V,CMDZ12V,1SMB9.0A,3SMC170A,1SMB51A,1SMC110A,CMDZ13L,CMZ5934B,CFSH05-20L,CMSZ5251B,CMLD6263DO,CMPD6263S,CMLT2907A,CLL4750A,CLL4751A,P6SMB170CA,CMHZ5228B,CMPD6263A,CMDZ13V,CMPD6263C,CTLDM8120-M832DS,CTLZ5V1,CMST3410,CMOZ4L7,1SMC85A,CMSH1-100M 55,CTLZ5V6,CMDZ5251B,CSL05D,CMOZ4L3,1SMB30CA,P6SMB51A,CMXTVS5V6,CMF120A,CMXSTB200,CMZ5931B,CMF60A,CMPZ5261B,CMPT404A,1SMC85CA,CMHZ5227B,CMSH1-60 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55,BZX84C9V1,CBRLD1-08,CBRLD1-06,P6SMB16A,CMJH180,CMKSH-3DO,CMLT3410,CMDZ5254B,1SMB43CA,1SMC170CA,P4SMA170A,CMUD2836,C4SMAFL100A,CMHZ5222B,CMUD2838,1.5SMC47A,1SMB150CA,P6SMB15A,CMF8.0A,CMSZDA8V2,P4SMA10A,P4SMA58A,1SMB10A,1SMC43A,CMDZ5253B,CTLSH10-60M856,1SMB58A,CMHZ5221B,CSHD5-25L,P6SMB91CA,CJD200,1.5SMC170CA,1SMB170A,CMF26A,CZT250K,P6SMB16CA,P4SMA11A,1SMB11A,1SMC150A,CMDZ5252B,CMLZDA7V5,CTLT8099-M322S,1SMC7.0A,CEDM7004VL,CMSH3-100,P6SMB13A,CJD210,CMLD2004DO,CLL4759A,1SMC54CA,P4SMA5.0A,CBRLD1-10,CMPT3906E,CSDD-12N,CMDZ5259B,CMPD2838,P4SMA12A,CMPZ4109,CMPZDA9V1,CMPZ4107,1SMB12A,5SMC54A,CMPZ4108,1SMC45A,1.5SMC220A,CMPZ4105,CMPZ4106,CMPZ4103,CMF160A,CMPZ4104,CMPZ4101,CMPZ4102,CMPD2836,CMPZ4100,CMDZ4L7,CMHZ5267B,P6SMB12A,CMLZDA3V6,CMLT6427E,CMDZ4L3,CMLZDA3V0,CMF20A,CMLTA94,CMLZDA3V3,CLL4758A,CMSH1-100,1SMB5.0A,CSDD-12M,1SMC8.5CA,CMDZ5258B,P4SMA13A,1SMB5.0CA,CMHZ4700,1SMB13A,CMR1-10M,CMPT5551E,P6SMB10A,CMHZ5266B,P6SMB11A,CLL4757A,CMPT3904E,3SMC48A,CBRSDSH2-40,P6SMB100CA,CMDZ5257B,CMR3U-02M,CMXZ4V7TO,P4SMA14A,CMHZ4710,CMHZ4711,1SMB14A,CMOZ4V7,1SMB12CA,CMPZ4123,CMPZ4124,CMPZ4121,CMLZDA43V,CMPZ4122,CMHZ5265B,CMHZ4709,CMPZ4120,CMR1U-10,CLL4756A,3SMC45A,CMF22A,CTLDM7120-M832DS,CMHZ4701,CMHZ4702,CMDZ8V2,CMHZ4703,CMHZ4704,CMKZ5261B,CMHZ4705,CTLSH1-40M621H,CMHZ4706,CMHZ4707,CMHZ4708,3SMC8.0CA,CBRSDSH2-60,CMR3U-01M,CMDZ5256B,P4SMA15A,CMPZ4118,CMPZ4119,CMUSH05-4,CZT2955,CMPZ4116,CMPZ4117,1SMB15A,CMPZ4114,1SMC48A,CMPZ4115,CMPZ4112,CMPZ4113,CMPZ4110,CMSH1-200HE 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目录- Switching Diodes Schottky Diodes Low Leakage Diodes/Ultra Low Leakage Diodes/Stabistor Diodes/Current Limiting Diodes High Current, Current Limiting Diodes Temperature Compensated Zener Diodes Zener Diodes

型号- CMDZ10L,CMOZ6L8,CMZ5935B,CMPZDC12V,CTLZ3V9,CMPZDC2V7,CMPZDC36V,CMSZ5252B,CMOZ6L2,CMPZ4614*,CLL4730A,CMLZDA9V1,CMPD7000E,CLL4754A,CMPD2003,CMDZ10V,CMHZ5265B*,CMZ5381B,CMDZ11L,CMZ5936B,CMFSH-3I,CMPZDC13V,CMPD2004,CMPZ5625,CMSZ5253B,CMXZ30VTO,BZV55C5V1,BZV55C5V6,CMXZ39VTO*,CLL4753A,CMDZ11V,CMUDW6001,CMUD6263E,CMZ5382B,CMDZ12L,CMSZ5250B,CMZ5933B,CMDZ36L,CLL4752A,CMKD7000E,CMHZ5229B,CMPZDC15V,CMPZDC39V,CMDZ12V,CMDZ2V6,CMDZ2V7,CMDZ36V,CMDZ2V4,CMDZ13L,CMZ5934B,CFSH05-20L,CMDSH05-45,CMSZ5251B,CMLD6263DO,SH2-30L,CMXSTB400,CMPD6263S,CLL4750A,CLL4751A,1001,SH2-3L,CMHZ5228B,CMPZDC16V,CMZ5380B,CMPD6263A,CMDZ13V,CMPD6263C,CMUD7000,CTLZ5V1,CMDZ30L,CMOZ4L7,CMZ5955B,CTLZ5V6,CMDZ5251B,CMOZ4L3,SWITCHING DIODES,CMXSTB200,CMDZ30V,CMZ5931B,CMPZ5261B,CMHZ5227B,2838E,CMPSH05-4,CMZ5956B,CMZ5932B,CMDZ5250B,BZV55C7V5,CMPSH-3SE,CMPZ5260B,CMPZDC18V,CMXZ4V7TO*,CMHZ5226B,CMKZ5239B*,CURRENT LIMITING DIODES,CMPSH-3,CMPZ5263B,CMZ5953B,CMDZ4V7,CMHZ5225B,CMHZ5249B,CMDZ4V3,CMHZ5263B*,CMDZ33L,2836E,CMZ5954B,CMOZ8V2,CMDZ33V,CMDSH2-4L,CMPZ5262B,CMZ5930B,CMHZ5224B,CMHZ5248B,CMOZ2L7,CMDZ5255B,CMLSH2-4LC,CMDZ5231B,CTLZ7V5,CMLSH2-4LA,CMOZ2L0,CMOZ2L2,CMOZ2L4,CMOZ2L5,CMDZ2L8,CMHZ5223B,CMDZ2L7,BZX84C9V1,CMDZ2L4,CMDZ2L2,CMLZDA5V1,CMDZ2L0,CLL4738A,CMZ5951B,CMJH180,CMKZ5241B*,CMHZ5247B,CMXZ3V9TO*,CMKSH-3DO,CMDZ5254B,CMDZ5230B,BZV55C9V1,CMUD2836,457A,CMHZ5222B,CMUD2838,3004,3003,CTLSH05-40M621,CLL4737A,CMZ5952B,CMKZ5252B*,CMKD6263,CMHZ5246B,CMSZDA8V2,CMLSH-4DO,CMOSH-3,CMDZ5253B,CMOZ6V8,CMHZ5221B,CMHZ5245B,CMDZ6V8,ZENER DIODES,CLL4736A,CMKZ5228B*,CMDZ6V2,CMDSH-3,CMDZ5252B,CMLZDA7V5,459A,CMLD2004DO,CMHZ5244B,CMOZ6V2,CMXZ6V2TO*,CLL4735A,CLL4759A,LOW LEAKAGE DIODES,CMZ5950B,CMDZ5259B,CMPD2838,CMDZ5235B,CMPZ4109,CMPZDA9V1,CMPZ4107,CMXZ2V7TO*,CMXZ36VTO*,CMPZ4108,CMPZ4105,CMPZ4106,CMPZ4103,CMPZ4104,CMPZ4101,CMOZ30V,CMPZ4102,CMPD2836,CMPZ4100,CMHZ5243B,CMDZ4L7,BZX84C7V5,CMLZDA3V6,CMDZ4L3,CMLZDA3V0,CLL4734A,CMLZDA3V3,CLL4758A,CMHZ5267B*,CMDZ5258B,CMDZ5234B,CMHZ4700,CMLZDA20V,CMHZ5242B,CMOZ30L,CLL4733A,CMXD2004,CLL4757A,CMKZ5250B*,CMJH150,4150,CMDZ5257B,5001,CMDZ5233B,CMHZ4710,CMHZ4711,CMOZ4V7,CMZ5339B,CMPZ4123,CMPZ4124,CMPZ4121,CMXZ3V0TO*,CMLZDA43V,CMPZ4122,CMHZ4709,CMPZ4120,CLL4732A,CLL4756A,CMHZ5241B,CMKZ5261B*,CMHZ4701,CMHZ4702,CMDZ8V2,CMHZ4703,CMHZ4704,CMHZ4705,CTLSH1-40M621H,CMJH120,CMHZ4706,CMOZ33L,CMHZ4707,CMHZ4708,CMDZ5256B,CMPZ4118,CMDZ5232B,CMPZ4119,CMUSH05-4,CMPZ4116,CMPZ4117,CMPZ4114,CMPZ4115,CMPZ4112,CMLZDA5V6,CMPZ4113,CMPZ4110,CMPZ4111,CLL4731A,STB400,CLL4755A,CMXD4448,CMOZ4V3,CMHZ5240B,CMHZ4712,CMHZ4713,CMHZ4714,CMHZ4715,CMHZ4716,CMUD6263SE,CMHZ4717,CMPZ5249B,CMDZ5227B,CMKZ5257B*,CMPZ5225B,CMXTC935A,CMZ5349B,CMOZ10V,BZX84C5V6,CMSZDA33V,CMDZ6L2,CMXD2004S,CMJH100,BZX84C5V1,CMHZ5251B,CLL5256B,CMLD3003DO,CMDZ5228B,CMOZ11L,CMDZ5226B,CMKZ5222B,CMPZ5248B,CMPZ5224B,CMOZ33V,CMXZ5V6TO*,CMLD6001,CMDZ6L8,CMLZDA12V,CMPZ4099,CMSSH-3CE,CMOZ10L,CMLZDA13V,CMHZ5250B,CLL5255B,CMSZDA4V3,CMXZ4V3TO*,CMXZ43VTO*,CMKZ5233B*,CMSZDA4V7,CLL5231B,CMPZ5227B,CMDZ5249B,CMPZDA6V8,CMDZ5225B,CMPZDA6V2,CMOZ12V,CMLZDA11V,CMSZDA11V,CMLZDA2V7,CMLZDA36V,CMZ5347B,BAS56,CMOZ13V,CMLZDA2V4,CLL5254B,CMHD4150,CMOZ13L,CMSD6001,CMKZ5244B*,CLL5230B,CMSD2004S,CMKZ5224B*,CMDZ5248B,CMPZ5226B,CMDZ5224B,CMXZ20VTO*,CMOZ11V,CMLD6263,CMLZDA10V,CMSZDA10V,CMOZ2V4,CMOZ2V6,CMZ5348B,CMOZ2V7,CMOZ36V,CMOZ36L,CMSSH-3AE,CMKZ5255B*,CMOZ12L,CLL5253B,7000,CMPSH-3AE,CMPZ5229B,CMPZDC8V2,CMOD3003,CMXZ18VTO*,CMPZDA30V,CMPD6001,CMDZ8L2,BZX84C3V9,CMSZ5228B,CMOZ39V,BZX84C3V6,CMOZ15V,CMZ5369B,CMZ5345B,CLL457A,BZX84C3V3,CMLZDA18V,CMOZ39L,BZX84C3V0,CMOZ15L,CLL5252B,CMPZ5228B,CMHD459A,CLL5224B*,CMJ1000,CMJ4500,CMSZ5229B,CMSZDA6V8,CMZ5346B,CMSD2005S,CMKZ5231B*,CLL5251B,CMSZDA6V2,CMKZ5221B,CMPZDA4V7,CMKZ5245B,CMPZDA4V3,CMSZ5226B,CMZ5343B,CMLZDA16V,CLL459A,CMZ5367B,CTLSH01-30,CMKZ5242B*,CLL5250B,CMKZ5226B*,CMPD6263,CMPZDA33V,CMXZ3V3TO*,CMJ0130,CMLZDA15V,CMSZ5227B,CMZ5344B,CMSZDA30V,CMOZ16V,CMLZDA39V,CMZ5368B,CMPZDC6V2,BAS28,457A CMHD457A,CLL4739A,CMOZ16L,CMKZ5253B*,CMDZ5229B,CMPZ4707,CMPZDA10V,CMPZ4708,CMPZ4705,CMPZDC6V8,CMPZ4706,CMPZ4703,CMPZ4704,CMPZ4701,CMPZ4702,CFSH01-30,CMPZ4700,CMSZ5224B,CMZ5919B,CMSZ5248B,CMZ5365B,CMPZ5241B,CMHSH-3,CMPZ5265B,CMHZ4100,CMHZ4101,CMHZ4102,CMPZDA11V,CMHZ4103,CMHZ4104,CMHZ4105,CMHZ4106,CMGSH1-3,CMSZ5225B,CMSZ5249B,SH05-20L,CMZ5366B,CMOZ18V,CMZ5342B,CMOZ18L,CMPZ5240B,CMPZDA2V4,CMSZDA16V,2838,2836,CLL3232B,CMPZ5264B,CMOZ9L1,CMHZ4110,CMZ5917B,CMHZ4111,CMPZDC30V,CMKZ5237B*,CMHZ4112,CMPZDA12V,CMHZ4113,CMHZ4114,CMPZDA2V7,CMPZDA36V,CMHZ4115,CMHZ4116,CMPSH-3CE,CMLD6001DO,CLL5239B,CMHZ4117,CMSZ5222B,CMSZ5246B,CFD4448,CMLSH05-4,CMZ5387B,CMZ5363B,CMHZ4107,CMHZ4108,CMHZ4109,CMPZ5267B,CMPZ5243B,CMHZ4121,CMHZ4122,CMXZ33VTO*,CMKZ5248B*,CMHZ4123,CMPZ4716,CMHZ4124,CMPZ4717,CMHZ4125,CMPZ4714,CMPZ4715,CMPZDA13V,CLL5238B,CMPZ4712,CMPZ4713,CMPZ4710,CMPZ4711,CMSZ5223B,CMSZ5247B,CMHZ4120,CMZ5918B,CMZ5388B,CMZ5364B,CMHZ4118,CMSZDA18V,CED2838E,CMHZ4119,CMPZDC4V3,CMPZ5266B,CMZ5340B,CMPZ4709,CFSH2-3L,CMPZ5242B,CMZ5939B,CMZ5915B,CMKZ5259B*,CMDD3003,CLL5237B,CMPZDC4V7,CMXD3004SR,CMSZ5244B,SH1-3,CMZ5385B,CMPZDA39V,CMSD6263,CMPZ

选型指南 - CENTRAL SEMICONDUCTOR - 2020/2/27 PDF 英文下载

【产品】采用AK封装的5G双向瞬态电压抑制器，适用于高压5G收发应用

为保护电压敏感器件免受因雷击和感性负载切换带来的高能瞬变损害，Central Semiconductor推出了5G双向瞬态电压抑制器CAK3-012C和CAK6-042C系列产品，采用AK封装，适用于高压5G收发应用。电压范围从12.8V至380V（3kA）和42V至240V（6kA）。

新产品发布时间 : 2021-10-22

CDFM10-600N SURFACE MOUNT SILICON N-CHANNEL MEDIUM POWER MOSFET 10A, 600 VOLT

型号- CDFM10-600N

数据手册 - CENTRAL SEMICONDUCTOR - R0 - 15-February 2023 PDF 英文下载

PoE Audio Speakers Application Brief

型号- CMLDM7002AG,CBRLDSH2-100,1SMB58CA,CFTVS5V0BULC,CBRDFSH2-40,C4SMAFL58A,CMOZ5L1,CMO5V0LC,CBRHDSH2-100,CMDZ5L1,CBRDFSH3-60,CMLDM8002AG,CBRHDSH1-100,CBRDFSH1-4,CEDM7002AE,CMLT3474,CBRDFSH3-40,CMLT3820G,CBRDFSH1-100,CTLTVS5V0B,CBRDFSH2-60,CEDM8004,CBRDFSH1-6,CBRDFSH2-100,CMOZ12L

应用及方案 - CENTRAL SEMICONDUCTOR - 2019/8/13 PDF 英文下载

Central Semiconductor（中央半导体）场效应管（MOSFET）选型表

目录- MOSFETs

型号- CMLDM7120TG,CMLDM7002AJ,CXDM4060N,CMNDM8001,CXDM4060P,CMKDM8005,CMLDM7003TG,CMLDM8002AJ,CMLDM7005,CMPDM7002AE,CMLDM7484,CMLDM7003,7002A,CTLDM7002AM621H,CMLDM3737,4060P,CMLDM7003JE,4060N,CMRDM3575,CMLDM5757,7003E,CTLDM8002AM621H,CWDM3011N,CMLDM7120G,CMPDM7120G,CWDM3011P,CTLDM304PM832DS,CMLDM8120TG,2N7002,CTLDM7181-M832D,CTLDM8002AM621,CMPDM7002AHC,CDM3-800,CMPDM202PH,CMPDM8120,3011N,303NH,3011P,CMLDM7585,CMPDM8002A,CMLDM8002A,CMRDM7590,CEDM7002AE,CMLM0708A,7002AE,CDM7-600LR,7590,CWDM305PD,CEDM7004VL,CTLDM712021H-M6,CMLDM7005R,6053N,7-700LR,202PH,3-800,CTLDM8120-M832DS,4-600LR,CMPDM303NH,7120,7002,7001,7004,CZDM1003N,7003,CMUDM8004,7005,CMUDM8005,CTLDM303NM832DS,3069N,CTLDM7003-M621,303N,CMLDM7003E,CXDM6053N,7002AHC,7003TG,CMUDM8001,CEDM8001VL,7-650,CXDM1002N,8002A,CTLDM8120-M621H,304P,7120TG,CWDM305ND,CMLDM7003J,CXDM3069N,CEDM7001VL,CDM7-650,CEDM8001,CEDM8004,CMPDM7003,CMPDM302PH,305N,CDM4-650,1002N,302PH,4-650,305P,3737,CEDM7004,CEDM7001,CTLDM7120-M832DS,CWDM305N,CEDM8004VL,5757,CWDM305P,CMPDM7002A,8001,CDM7-700LR,CMUDM7004,1003N,8004,8005,CMUDM7005,CDM4-600LR,CMLDM3757,CMLDM7002A,CMRDM3590,8120,3590,CMNDM7001,CMPDM203NH,CMXDM7002A,8120TG,CTLDM7002AM621,CMLDM8005,7-600LR,203NH,CMUDM7001,CMLDM8120

选型指南 - CENTRAL SEMICONDUCTOR - 2020/2/27 PDF 英文下载

在开关电路应用中表面贴装MOSFET CDM4-600LR发热严重，测试输出波形上下边沿时间过长，如何解决此问题？

在开关电路应用中，开关损耗由栅极电容决定，当驱动电流不足时，MOS上下边沿的时间里，MOS在线性区工作，此时间越长，损耗越大，发热越严重。因此需增加驱动MOS的电流，解决办法有：1）减少串联在MOS栅极电阻值；2）改进驱动电路，增加驱动电流及泄放电流能力。

技术问答发布时间 : 2017-07-25

CFTVS5V0BULC 5.0V, Bi-Directional Ultra Low Capacitance Transient Voltage Suppressor in the SOD-882L package Product Brief

型号- CFTVS5V0BULC TR,CFTVS5V0BULC

数据手册 - CENTRAL SEMICONDUCTOR - R0 - 0519 PDF 英文下载

【选型】平板电脑有线传输模块中ESD瞬态电压抑制器、TVS/齐纳阵列、高速开关二极管选型推荐

平板电脑的有线数据传输模块中，Central推荐使用的元器件类型和型号分别为ESD瞬态电压抑制器(CMATVS5V0、CMOTVS5V7、CMO5V0LC、CFTVS5V0LC、CTLTVS12)；TVS/齐纳阵列(CMKTVS5-4、CMNTVS5V0)和高速开关二极管(CFD4448、CMAD4448)，有效保证数据传输的温度可靠。

器件选型发布时间 : 2019-08-17