Datasheet Texas Instruments LP3944ISQ/NOPB — 数据表
| 制造商 | Texas Instruments |
| 系列 | LP3944 |
| 零件号 | LP3944ISQ/NOPB |
RGB /白色/蓝色8-LED趣味灯驱动器24-WQFN -40至85
数据表
LP3944 RGB/White/Blue 8-LED Fun Light Driver datasheet
PDF, 930 Kb, 修订版: A, 档案已发布: Apr 6, 2013
从文件中提取
价格
状态
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes |
打包
| Pin | 24 |
| Package Type | RTW |
| Industry STD Term | WQFN |
| JEDEC Code | S-PQFP-N |
| Package QTY | 1000 |
| Carrier | SMALL T&R |
| Device Marking | 3944SQ |
| Width (mm) | 4 |
| Length (mm) | 4 |
| Thickness (mm) | .75 |
| Pitch (mm) | .5 |
| Max Height (mm) | .8 |
| Mechanical Data | 下载 |
参数化
| Number of Channels | 8 |
| Iout(Max) | 0.2 A |
| Iq(Typ) | 0.35 mA |
| LED | 8 |
| LED Configuration | Parallel |
| LED Current Per Channel | 25 mA |
| Operating Temperature Range | -40 to 85 C |
| Package Group | WQFN |
| Package Size: mm2:W x L | 24WQFN: 16 mm2: 4 x 4(WQFN) PKG |
| Peak Efficiency | 100 % |
| Program Memory | No |
| Programmable Ramp Control | No |
| Rating | Catalog |
| Shutdown Current(Typ) | 2 uA |
| Special Features | I2C Control |
| Topology | Linear |
| Vin(Max) | 5.5 V |
| Vin(Min) | 2.3 V |
| Vout(Max) | 5.5 V |
| Vout(Min) | -0.5 V |
生态计划
| RoHS | Compliant |
设计套件和评估模块
- Evaluation Modules & Boards: LP3944ISQEV
RGB White Blue 8-LED Fun Light Driver
Lifecycle Status: Active (Recommended for new designs)
应用须知
- AN-1715 LP3943/LP3944 as a GPIO Expander (Rev. A)PDF, 138 Kb, 修订版: A, 档案已发布: Apr 30, 2013
This application report describes how to use LP3943/44 as a general-purpose input/output (GPIO)expander. It is recommended that circuit data sheets are read first and used in conjunction with thisdocument.
模型线
系列: LP3944 (2)
- LP3944ISQ/NOPB LP3944ISQX/NOPB
制造商分类
- Semiconductors > Power Management > LED Driver > RGB & White LED Driver