Datasheet Texas Instruments LM3489 — 数据表
| 制造商 | Texas Instruments |
| 系列 | LM3489 |
具有使能引脚的迟滞PFET降压控制器
数据表
LM3489x Hysteretic PFET Buck Controller With Enable Pin datasheet
PDF, 1.3 Mb, 修订版: C, 档案已发布: Dec 16, 2016
从文件中提取
价格
状态
| LM3489MM | LM3489MM/NOPB | LM3489MMX/NOPB | |
|---|---|---|---|
| Lifecycle Status | NRND (Not recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | Yes | Yes |
打包
| LM3489MM | LM3489MM/NOPB | LM3489MMX/NOPB | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 8 | 8 | 8 |
| Package Type | DGK | DGK | DGK |
| Industry STD Term | VSSOP | VSSOP | VSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 1000 | 1000 | 3500 |
| Carrier | SMALL T&R | SMALL T&R | LARGE T&R |
| Device Marking | SKSB | SKSB | SKSB |
| Width (mm) | 3 | 3 | 3 |
| Length (mm) | 3 | 3 | 3 |
| Thickness (mm) | .97 | .97 | .97 |
| Pitch (mm) | .65 | .65 | .65 |
| Max Height (mm) | 1.07 | 1.07 | 1.07 |
| Mechanical Data | 下载 | 下载 | 下载 |
参数化
| Parameters / Models | LM3489MM | LM3489MM/NOPB | LM3489MMX/NOPB |
|---|---|---|---|
| Control Mode | Hysteretic | Hysteretic | Hysteretic |
| Duty Cycle(Max), % | 100 | 100 | 100 |
| Iout(Max), A | 4 | 4 | 4 |
| Iq(Typ), mA | 0.28 | 0.28 | 0.28 |
| Number of Phases | 1 | 1 | 1 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 |
| Package Group | VSSOP | VSSOP | VSSOP |
| Rating | Catalog | Catalog | Catalog |
| Regulated Outputs | 1 | 1 | 1 |
| Special Features | Enable | Enable | Enable |
| Switching Frequency(Max), kHz | 1400 | 1400 | 1400 |
| Switching Frequency(Min), kHz | 50 | 50 | 50 |
| Type | Controller | Controller | Controller |
| Vin(Max), V | 35 | 35 | 35 |
| Vin(Min), V | 4.5 | 4.5 | 4.5 |
| Vout(Max), V | 35 | 35 | 35 |
| Vout(Min), V | 1.239 | 1.239 | 1.239 |
生态计划
| LM3489MM | LM3489MM/NOPB | LM3489MMX/NOPB | |
|---|---|---|---|
| RoHS | See ti.com | Compliant | Compliant |
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
模型线
系列: LM3489 (3)
制造商分类
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Controller (External Switch)