Datasheet Texas Instruments LM27952 — 数据表
| 制造商 | Texas Instruments |
| 系列 | LM27952 |
白光LED自适应1.5X / 1X开关电容器电流驱动器
数据表
LM27952 White LED Adaptive 1.5X/1X Switched Capacitor Current Driver datasheet
PDF, 999 Kb, 修订版: B, 档案已发布: May 2, 2013
从文件中提取
状态
| LM27952SD/NOPB | LM27952SDX/NOPB | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | Yes |
打包
| LM27952SD/NOPB | LM27952SDX/NOPB | |
|---|---|---|
| N | 1 | 2 |
| Pin | 14 | 14 |
| Package Type | NHK | NHK |
| Industry STD Term | WSON | WSON |
| JEDEC Code | R-PDSO-N | R-PDSO-N |
| Package QTY | 1000 | 4500 |
| Carrier | SMALL T&R | LARGE T&R |
| Device Marking | D005B | D005B |
| Width (mm) | 3 | 3 |
| Length (mm) | 4 | 4 |
| Thickness (mm) | .8 | .8 |
| Pitch (mm) | .5 | .5 |
| Max Height (mm) | .8 | .8 |
| Mechanical Data | 下载 | 下载 |
参数化
| Parameters / Models | LM27952SD/NOPB | LM27952SDX/NOPB |
|---|---|---|
| Number of Channels | 4 | 4 |
| Duty Cycle(Max), % | 100 | 100 |
| LED | 4 | 4 |
| LED Current Per Channel, mA | 30 | 30 |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 |
| Package Group | WSON | WSON |
| Package Size: mm2:W x L, PKG | See datasheet (WSON) | See datasheet (WSON) |
| Peak Efficiency, % | 85 | 85 |
| Rating | Catalog | Catalog |
| Shutdown Current(Typ), uA | 0.1 | 0.1 |
| Special Features | Direct PWM Dimming | Direct PWM Dimming |
| Switching Frequency(Max), kHz | 975 | 975 |
| Topology | Boost | Boost |
| Type | Capacitive | Capacitive |
| Vin(Max), V | 5.5 | 5.5 |
| Vin(Min), V | 3 | 3 |
| Vout(Max), V | 5.5 | 5.5 |
| Vout(Min), V | 3 | 3 |
生态计划
| LM27952SD/NOPB | LM27952SDX/NOPB | |
|---|---|---|
| RoHS | Compliant | Compliant |
应用须知
- Optimizing Efficiency in White LED Backlight ApplicationsPDF, 579 Kb, 档案已发布: Mar 21, 2007
模型线
系列: LM27952 (2)
制造商分类
- Semiconductors> Power Management> LED Driver> Backlight