Datasheet Texas Instruments LM5642MHX/NOPB — 数据表
| 制造商 | Texas Instruments |
| 系列 | LM5642 |
| 零件号 | LM5642MHX/NOPB |
具有振荡器同步功能的4.5-36V，电流模式双同步降压控制器28-HTSSOP
数据表
LM5642/42X High V, Dual Sync Buck Converter w/Oscil Sync datasheet
PDF, 1.6 Mb, 修订版: K, 档案已发布: Apr 4, 2013
从文件中提取
状态
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No |
打包
| Pin | 28 | 28 |
| 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 | LM5642 |
| Width (mm) | 4.4 | 4.4 |
| Length (mm) | 9.7 | 9.7 |
| Thickness (mm) | 1 | 1 |
| Pitch (mm) | .65 | .65 |
| Max Height (mm) | 1.2 | 1.2 |
| Mechanical Data | 下载 | 下载 |
参数化
| Control Mode | Current Mode |
| Duty Cycle(Max) | 99 % |
| Iout(Max) | 20 A |
| Iq(Typ) | 1.1 mA |
| Number of Phases | 2 |
| Operating Temperature Range | -40 to 125 C |
| Package Group | TSSOP |
| Rating | Catalog |
| Regulated Outputs | 2 |
| Special Features | Adjustable Current Limit,Enable,Frequency Synchronization,Synchronous Rectification |
| Switching Frequency(Max) | 250 kHz |
| Switching Frequency(Min) | 150 kHz |
| Type | Controller |
| Vin(Max) | 36 V |
| Vin(Min) | 4.5 V |
| Vout(Max) | 34 V |
| Vout(Min) | 1.236 V |
生态计划
| RoHS | Compliant |
设计套件和评估模块
- Evaluation Modules & Boards: LM5642EVAL-KIT
High Voltage, Dual Synchronous Buck Converter with Oscillator Synchronization
Lifecycle Status: Active (Recommended for new designs)
应用须知
- Reduce buck-converter EMI and voltage stress by minimizing inductive parasiticsPDF, 926 Kb, 档案已发布: Jul 21, 2016
- Power Management Considerations for FPGAs and ASICsPDF, 745 Kb, 档案已发布: Mar 22, 2007
模型线
系列: LM5642 (6)
- LM5642MH/NOPB LM5642MHX/NOPB LM5642MTC LM5642MTC/NOPB LM5642MTCX LM5642MTCX/NOPB
制造商分类
- Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Down (Buck) > Buck Controller (External Switch)