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
Dual Phase Step-Down Synchronous Controller with VID Output Voltage Programming and Low Value DCR Sensing
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价格
打包
Package | 7x7 QFN-44 |
Package Code | UK |
Package Index | 05-08-1763 |
参数化
Architecture | Constant Frequency Current Mode |
Demo Boards | DC2229A-A,DC2229A-B |
Export Control | no |
Features | VID Voltage Programming, Differential Remote Sense, PolyPhase, External Synchronization, Power Good, Resistor Set Frequency |
Frequency | 1000 kHz |
Frequency Adjust Range | 250kHz - 1MHz |
Frequency Sync Range | 250kHz - 1MHz |
Integrated Inductor | no |
Ishutdown | 33 µA |
Isupply | 7.3 mA |
Max Phases | 2, 3, 4, 6, 8, 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 | Sub-Milliohm DCR, Rsense, 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 Max 2 | 5 V |
Vout Maximum | 5V (without VID), 1.23V (with VID) |
Vout Min | 0.6 V |
Vout Min 2 | 0.6 V |
Vref Accuracy Over Temp | 1 % |
生态计划
RoHS | Compliant |
设计须知
- VID Controller with Phase Extender Provides 120A Power Supply for Latest Generation of FPGAs, ASICs and Processors &mdash DN547PDF, 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 DN549PDF, 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 JournalPDF, 3.2 Mb, 档案已发布: Aug 25, 2016从文件中提取
模型线
系列: LTC3877 (4)
- LTC3877EUK#PBF LTC3877EUK#TRPBF LTC3877IUK#PBF LTC3877IUK#TRPBF
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