Datasheet Texas Instruments LM5121MHX/NOPB — 数据表
| 制造商 | Texas Instruments |
| 系列 | LM5121 |
| 零件号 | LM5121MHX/NOPB |
具有断路开关控制的3-65V宽Vin，电流模式同步升压开关20-HTSSOP -40至125
数据表
LM5121/-Q1 Wide Input Synchronous Boost Controller with Disconnection Switch Control datasheet
PDF, 3.0 Mb, 修订版: C, 档案已发布: Jun 14, 2016
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价格
状态
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No |
打包
| Pin | 20 | 20 |
| Package Type | PWP | PWP |
| Industry STD Term | HTSSOP | HTSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G |
| Package QTY | 2500 | 2500 |
| Carrier | LARGE T&R | LARGE T&R |
| Device Marking | MH | LM5121 |
| Width (mm) | 4.4 | 4.4 |
| Length (mm) | 6.5 | 6.5 |
| Thickness (mm) | 1 | 1 |
| Pitch (mm) | .65 | .65 |
| Max Height (mm) | 1.2 | 1.2 |
| Mechanical Data | 下载 | 下载 |
参数化
| Duty Cycle(Max) | 100 % |
| Iout(Max) | 20 A |
| Iq(Typ) | 4 mA |
| Operating Temperature Range | -40 to 125 C |
| Package Group | HTSSOP |
| Rating | Catalog |
| Regulated Outputs | 1 |
| Special Features | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,UVLO Adjustable |
| Switch Current Limit(Typ) | 20 A |
| Switching Frequency(Max) | 1000 kHz |
| Switching Frequency(Min) | 50 kHz |
| Type | Controller |
| Vin(Max) | 65 V |
| Vin(Min) | 3 V |
| Vout(Max) | 100 V |
| Vout(Min) | 3 V |
生态计划
| RoHS | Compliant |
设计套件和评估模块
- Evaluation Modules & Boards: LM5121EVM
Wide Vin Synchronous Boost Controller with Disconnection Switch Evaluation Module
Lifecycle Status: Active (Recommended for new designs)
应用须知
- Automated Frequency Response AnalyzerPDF, 939 Kb, 档案已发布: Oct 9, 2013
This application report discusses a new method of doing stability Analysis testing by using basic labequipment, while not requiring any specific instruments. - Designing the front-end DC/DC conversion stage to withstand automotive transientPDF, 336 Kb, 档案已发布: Jan 18, 2017
- Practical Feedback Loop Analysis for Current-Mode Boost ConverterPDF, 557 Kb, 档案已发布: Mar 7, 2014
- Designing Fault Protection Circuits Using Wide VIN LM5121PDF, 186 Kb, 档案已发布: Jan 12, 2015
Battery powered systems or systems with low input voltage supplies may have loads that require higher voltage outputs. A boost converter is a usual choice for non-isolated applications; however, boost converters do not naturally provide system protection to downstream circuitry due to the pass path from input to output. Problems due to this pass path are now resolved with the LM5121 boost controll
模型线
系列: LM5121 (3)
- LM5121MH/NOPB LM5121MHE/NOPB LM5121MHX/NOPB
制造商分类
- Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Up (Boost) > Boost Controller (External Switch)