Datasheet Linear Technology LTC3877IUK#TRPBF — 数据表

制造商Linear Technology
系列LTC3877
零件号LTC3877IUK#TRPBF

具有VID输出电压编程和低值DCR感应功能的双相降压同步控制器

数据表

Datasheet LTC3877
PDF, 1.1 Mb, 语言: en, 文件上传: Sep 24, 2017, 页数: 46
Dual Phase Step-Down Synchronous Controller with VID Output Voltage Programming and Low Value DCR Sensing
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价格

打包

Package7x7 QFN-44
Package CodeUK
Package Index05-08-1763

参数化

ArchitectureConstant Frequency Current Mode
Demo BoardsDC2229A-A,DC2229A-B
Export Controlno
FeaturesVID Voltage Programming, Differential Remote Sense, PolyPhase, External Synchronization, Power Good, Resistor Set Frequency
Frequency1000 kHz
Frequency Adjust Range250kHz - 1MHz
Frequency Sync Range250kHz - 1MHz
Integrated Inductorno
Ishutdown33 µA
Isupply7.3 mA
Max Phases2, 3, 4, 6, 8, 12
Monolithicno
Number of Outputs2
Operating Temperature Range-40 to 85 °C
Output Current30 A
Output Current 230 A
Polyphaseyes
Sense ResistorSub-Milliohm DCR, Rsense, DCR
Switch Current30 A
Switch Current 230 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Vin Max38 V
Vin Min4.5 V
Vout Max5 V
Vout Max 25 V
Vout Maximum5V (without VID), 1.23V (with VID)
Vout Min0.6 V
Vout Min 20.6 V
Vref Accuracy Over Temp1 %

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

  • 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 > Multiple Output Buck | High Input Voltage Buck | External Power Switch Buck Controllers
  • Power Management > Switching Regulator > Digitally Programmable Regulators

其他名称:

LTC3877IUKTRPBF, LTC3877IUK TRPBF