Datasheet Linear Technology LTC3857EUH#TRPBF — 数据表

制造商Linear Technology
系列LTC3857
零件号LTC3857EUH#TRPBF

低I Q双路2相同步降压控制器

数据表

Datasheet LTC3857
PDF, 453 Kb, 语言: en, 文件上传: Sep 23, 2017, 页数: 38
Low IQ, Dual, 2-Phase Synchronous Step-Down Controller
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价格

打包

Package5x5 QFN-32
Package CodeUH
Package Index05-08-1693

参数化

ArchitectureConstant Frequency Current Mode
Demo BoardsDC1381A-A
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesBurst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good
Frequency850 kHz
Frequency Adjust Range50kHz - 900kHz
Frequency Sync Range75kHz - 850kHz
Integrated Inductorno
Ishutdown0.01 µA
Isupply0.05 mA
Max Phases2
Monolithicno
Number of Outputs2
Operating Temperature Range0 to 85 °C
Output Current25 A
Output Current 225 A
Over Voltage Protection40 V
Polyphaseyes
Sense ResistorRsense, DCR
Switch Current25 A
Switch Current 225 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Vin Max38 V
Vin Min4 V
Vout Max24 V
Vout Maximum24V
Vout Min0.8 V
Vout Min 2.8 V
Vref Accuracy Over Temp1 %

生态计划

RoHSCompliant

模型线

制造商分类

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | High Input Voltage Buck | External Power Switch Buck Controllers

其他名称:

LTC3857EUHTRPBF, LTC3857EUH TRPBF