Datasheet Linear Technology LTC3891EUDC#TRPBF — 数据表

制造商Linear Technology
系列LTC3891
零件号LTC3891EUDC#TRPBF

低I Q 60V同步降压控制器

数据表

Datasheet LTC3891
PDF, 691 Kb, 语言: en, 文件上传: Dec 25, 2016, 页数: 32
Low IQ, 60V Synchronous Step-Down Controller
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价格

打包

Package3x4 QFN-20
Package CodeUDC
Package Index05-08-1742

参数化

ArchitectureConstant Frequency Current Mode
Demo BoardsDC1940A,DC1695B
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesDCR Current Sense, Resistor Set Frequency, External Synchronization, Burst Mode, Power Good
Frequency900 kHz
Frequency Adjust Range50kHz - 900kHz
Frequency Sync Range75kHz - 750kHz
Integrated Inductorno
Ishutdown14 µA
Isupply0.05 mA
Max Phases1
Monolithicno
Number of Outputs1
Operating Temperature Range0 to 85 °C
Output Current15 A
Polyphaseno
Sense ResistorRsense, DCR
Switch Current15 A
Synchronousyes
TopologyBuck
Vin Max60 V
Vin Min4 V
Vout Max24 V
Vout Maximum24V
Vout Min0.8 V
Vref Accuracy Over Temp1 %

生态计划

RoHSCompliant

设计须知

  • Step-Down Converter Delivers 25A at 12VOUT from Inputs Up to 60V &mdash DN1024
    PDF, 141 Kb, 档案已发布: Mar 13, 2012
    从文件中提取
  • Bootstrap Biasing of High Input Voltage Step-Down Controller Increases Converter Efficiency &mdash DN493
    PDF, 71 Kb, 档案已发布: Jul 15, 2011
    从文件中提取

文章

  • Step-Down Converter Delivers 25A at 12V Output from Inputs Up to 60V &mdash LT Journal
    PDF, 2.2 Mb, 档案已发布: Jul 20, 2012
    从文件中提取

模型线

制造商分类

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower 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:

LTC3891EUDCTRPBF, LTC3891EUDC TRPBF