Datasheet Linear Technology LTC3854 — 数据表

制造商Linear Technology
系列LTC3854

占地面积小,VIN范围宽的同步降压型DC / DC控制器

数据表

Datasheet LTC3854
PDF, 547 Kb, 语言: en, 文件上传: Sep 23, 2017, 页数: 28
Small Footprint, Wide VIN Range Synchronous Step-Down DC/DC Controller
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价格

打包

LTC3854EDDB#PBFLTC3854EDDB#TRMPBFLTC3854EDDB#TRPBFLTC3854EMSE#PBFLTC3854EMSE#TRPBFLTC3854IDDB#PBFLTC3854IDDB#TRMPBFLTC3854IDDB#TRPBFLTC3854IMSE#PBFLTC3854IMSE#TRPBF
N12345678910
Package3x2 DFN-12
包装外形图
3x2 DFN-12
包装外形图
3x2 DFN-12
包装外形图
MS-12E
包装外形图
MS-12E
包装外形图
3x2 DFN-12
包装外形图
3x2 DFN-12
包装外形图
3x2 DFN-12
包装外形图
MS-12E
包装外形图
MS-12E
包装外形图
Package CodeDDBDDBDDBMSEMSEDDBDDBDDBMSEMSE
Package Index05-08-172305-08-172305-08-172305-08-166605-08-166605-08-172305-08-172305-08-172305-08-166605-08-1666
Pin Count12121212121212121212

参数化

Parameters / ModelsLTC3854EDDB#PBFLTC3854EDDB#TRMPBFLTC3854EDDB#TRPBFLTC3854EMSE#PBFLTC3854EMSE#TRPBFLTC3854IDDB#PBFLTC3854IDDB#TRMPBFLTC3854IDDB#TRPBFLTC3854IMSE#PBFLTC3854IMSE#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450ADC1271A,DC1487A,DC1450A
Design ToolsLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Controlnononononononononono
FeaturesDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current SenseDCR Current Sense
Frequency, kHz400400400400400400400400400400
Integrated Inductornononononononononono
Ishutdown, µA10101010101010101010
Isupply, mA2222222222
Max Phases1111111111
Monolithicnononononononononono
Number of Outputs1111111111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 850 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A25252525252525252525
Polyphasenononononononononono
Sense ResistorRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCRRsense, DCR
Switch Current, A25252525252525252525
Synchronousyesyesyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V38383838383838383838
Vin Min, V4.54.54.54.54.54.54.54.54.54.5
Vout Max, V5.55.55.55.55.55.55.55.55.55.5
Vout Maximum5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V
Vout Min, V0.80.80.80.80.80.80.80.80.80.8
Vref Accuracy Over Temp, %1111111111

生态计划

LTC3854EDDB#PBFLTC3854EDDB#TRMPBFLTC3854EDDB#TRPBFLTC3854EMSE#PBFLTC3854EMSE#TRPBFLTC3854IDDB#PBFLTC3854IDDB#TRMPBFLTC3854IDDB#TRPBFLTC3854IMSE#PBFLTC3854IMSE#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

文章

  • Step-Down DC/DC Controller in 2mm × 3mm DFN Includes FET Drivers, DCR Sensing and Accepts Inputs to 38V &mdash LT Journal
    PDF, 901 Kb, 档案已发布: Jul 15, 2011
    从文件中提取

模型线

制造商分类

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers