Datasheet Linear Technology LTC3875IUJ#TRPBF — 数据表
制造商 | Linear Technology |
系列 | LTC3875 |
零件号 | LTC3875IUJ#TRPBF |
具有低值DCR感测和温度补偿的双2相同步控制器
数据表
Datasheet LTC3875
PDF, 997 Kb, 语言: en, 文件上传: Sep 24, 2017, 页数: 46
Dual, 2-Phase, Synchronous Controller with Low Value DCR Sensing and Temperature Compensation
Dual, 2-Phase, Synchronous Controller with Low Value DCR Sensing and Temperature Compensation
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价格
打包
Package | 6x6 QFN-40 |
Package Code | UJ |
Package Index | 05-08-1728 |
参数化
Architecture | Constant Frequency Current Mode |
Demo Boards | DC2000A,DC2055A,DC2142A,DC2225A |
Design Tools | LTspice File,LTpowerCAD File |
Export Control | no |
Features | Resistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power Good |
Frequency | 720 kHz |
Frequency Adjust Range | 250kHz - 720kHz |
Frequency Sync Range | 250kHz - 720kHz |
Integrated Inductor | no |
Ishutdown | 40 µA |
Isupply | 7 mA |
Max Phases | 2, 3, 4, 6, 12 |
Monolithic | no |
Number of Outputs | 2 |
Operating Temperature Range | -40 to 85 °C |
Output Current | 30 A |
Output Current 2 | 30 A |
Polyphase | yes |
Sense Resistor | Rsense, DCR, Sub-Milliohm DCR |
Switch Current | 30 A |
Switch Current 2 | 30 A |
Synchronous | yes |
Topology | Buck |
Topology 1 | Buck |
Topology 2 | Buck |
Vin Max | 38 V |
Vin Min | 4.5 V |
Vout Max | 5 V |
Vout Maximum | 3.5V (low DCR) or 5V (without low DCR) |
Vout Min | 0.6 V |
Vout Min 2 | 0.6 V |
Vref Accuracy Over Temp | 0.75 % |
生态计划
RoHS | Compliant |
文章
- 4-Phase Power Supply Delivers 120A in Tiny Footprint, Features Ultralow DCR Sensing for High Efficiency &mdash LT JournalPDF, 313 Kb, 档案已发布: Jul 7, 2015从文件中提取
- High Efficiency PolyPhase Power Supply Delivers 30A per Phase with Ultralow Inductor DCR Sensing and Fast Transient Response &mdash LT JournalPDF, 501 Kb, 档案已发布: Jan 6, 2014从文件中提取
模型线
系列: LTC3875 (8)
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
其他名称:
LTC3875IUJTRPBF, LTC3875IUJ TRPBF