Datasheet Texas Instruments LM25119 — 数据表
| 制造商 | Texas Instruments |
| 系列 | LM25119 |
4.5-42V宽输入电压，电流模式双同步降压控制器
数据表
LM25119, LM25119-Q1 Wide Input Range, Dual Synchronous Buck Controller datasheet
PDF, 1.5 Mb, 修订版: H, 档案已发布: May 17, 2016
从文件中提取
状态
| LM25119PSQ/NOPB | LM25119PSQE/NOPB | LM25119PSQX/NOPB | |
|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes | No |
打包
| LM25119PSQ/NOPB | LM25119PSQE/NOPB | LM25119PSQX/NOPB | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 32 | 32 | 32 |
| Package Type | RTV | RTV | RTV |
| Industry STD Term | WQFN | WQFN | WQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N | S-PQFP-N |
| Package QTY | 1000 | 250 | 4500 |
| Carrier | SMALL T&R | SMALL T&R | LARGE T&R |
| Device Marking | L25119P | L25119P | L25119P |
| Width (mm) | 5 | 5 | 5 |
| Length (mm) | 5 | 5 | 5 |
| Thickness (mm) | .75 | .75 | .75 |
| Pitch (mm) | .5 | .5 | .5 |
| Max Height (mm) | .8 | .8 | .8 |
| Mechanical Data | 下载 | 下载 | 下载 |
参数化
| Parameters / Models | LM25119PSQ/NOPB | LM25119PSQE/NOPB | LM25119PSQX/NOPB |
|---|---|---|---|
| Control Mode | Current Mode | Current Mode | Current Mode |
| Duty Cycle(Max), % | 98 | 98 | 98 |
| Iout(Max), A | 40 | 40 | 40 |
| Iq(Typ), mA | 6 | 6 | 6 |
| Number of Phases | 2 | 2 | 2 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 |
| Package Group | WQFN | WQFN | WQFN |
| Rating | Catalog | Catalog | Catalog |
| Regulated Outputs | 2 | 2 | 2 |
| Special Features | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,UVLO Adjustable | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,UVLO Adjustable | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,UVLO Adjustable |
| Switching Frequency(Max), kHz | 750 | 750 | 750 |
| Switching Frequency(Min), kHz | 50 | 50 | 50 |
| Type | Controller | Controller | Controller |
| Vin(Max), V | 42 | 42 | 42 |
| Vin(Min), V | 4.5 | 4.5 | 4.5 |
| Vout(Max), V | 41.3 | 41.3 | 41.3 |
| Vout(Min), V | 0.8 | 0.8 | 0.8 |
生态计划
| LM25119PSQ/NOPB | LM25119PSQE/NOPB | LM25119PSQX/NOPB | |
|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant |
应用须知
- 1Q 2012 Issue Analog Applications JournalPDF, 2.4 Mb, 档案已发布: Jan 31, 2012
- Benefits of a multiphase buck converterPDF, 868 Kb, 档案已发布: Jan 31, 2012
- 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: LM25119 (3)
制造商分类
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Controller (External Switch)