Datasheet Linear Technology LTC3874EUFD#TRPBF — 数据表

制造商Linear Technology
系列LTC3874
零件号LTC3874EUFD#TRPBF

具有亚兆欧DCR感应功能的多相降压同步从控制器

数据表

Datasheet LTC3874
PDF, 919 Kb, 语言: en, 文件上传: Sep 24, 2017, 页数: 30
PolyPhase Step-Down Synchronous Slave Controller with Sub-Milliohm DCR Sensing
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价格

打包

Package4x5 QFN-28
Package CodeUFD
Package Index05-08-1712

参数化

ArchitectureConstant Frequency Current Mode
Demo BoardsDC2142A,DC2229A-B,DC2084A
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesSub-Milliohm DCR Current Sense, External Synchronization, PolyPhase
Frequency1000 kHz
Frequency Sync Range250kHz - 1MHz
Integrated Inductorno
Ishutdown1.8 µA
Isupply4.6 mA
Max Phases2, 3, 4, 6, 12
Monolithicno
Number of Outputs1
Operating Temperature Range0 to 85 °C
Output Current25 A
Polyphaseyes
Sense ResistorDCR, Sub-Milliohm DCR
Switch Current25 A
Synchronousyes
TopologyBuck
Vin Max38 V
Vin Min4.5 V
Vout Max5.5 V
Vout Maximum5.5V
Vout Min0.8 V

生态计划

RoHSCompliant

设计须知

  • VID Controller with Phase Extender Provides 120A Power Supply for Latest Generation of FPGAs, ASICs and Processors &mdash DN547
    PDF, 335 Kb, 档案已发布: Jan 12, 2016
    从文件中提取
  • Powering Altera Arria 10 FPGA and Arria 10 SoC: Tested and Verified Power Management Solutions &mdash DN549
    PDF, 1.6 Mb, 档案已发布: Feb 19, 2016
    从文件中提取

文章

  • 4-Phase Power Supply Delivers 120A in Tiny Footprint, Features Ultralow DCR Sensing for High Efficiency &mdash LT Journal
    PDF, 313 Kb, 档案已发布: Jul 7, 2015
    从文件中提取
  • Avoid Debugging Cycles in Power Management for FPGA, GPU and ASIC Systems &mdash LT Journal
    PDF, 3.2 Mb, 档案已发布: Aug 25, 2016
    从文件中提取

模型线

制造商分类

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > High Input Voltage Buck | External Power Switch Buck Controllers
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

其他名称:

LTC3874EUFDTRPBF, LTC3874EUFD TRPBF