Datasheet Texas Instruments LM26420 — 数据表
| 制造商 | Texas Instruments |
| 系列 | LM26420 |
双路2.0A高频同步降压DC-DC稳压器
数据表
LM26420/LM26420-Q0/Q1 Dual 2-A Automotive-Qualified, High-Efficiency Synchronous DC-DC Converter datasheet
PDF, 1.7 Mb, 修订版: K, 档案已发布: Apr 27, 2016
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状态
| LM26420XMH/NOPB | LM26420XMHX/NOPB | LM26420XSQ/NOPB | LM26420XSQX/NOPB | LM26420YMH/NOPB | LM26420YMHX/NOPB | LM26420YSQ/NOPB | LM26420YSQX/NOPB | |
|---|---|---|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | Yes | Yes | Yes | Yes | Yes | No |
打包
| LM26420XMH/NOPB | LM26420XMHX/NOPB | LM26420XSQ/NOPB | LM26420XSQX/NOPB | LM26420YMH/NOPB | LM26420YMHX/NOPB | LM26420YSQ/NOPB | LM26420YSQX/NOPB | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Pin | 20 | 20 | 16 | 16 | 20 | 20 | 16 | 16 |
| Package Type | PWP | PWP | RUM | RUM | PWP | PWP | RUM | RUM |
| Industry STD Term | HTSSOP | HTSSOP | WQFN | WQFN | HTSSOP | HTSSOP | WQFN | WQFN |
| JEDEC Code | R-PDSO-G | R-PDSO-G | S-PQFP-N | S-PQFP-N | R-PDSO-G | R-PDSO-G | S-PQFP-N | S-PQFP-N |
| Package QTY | 73 | 2500 | 1000 | 4500 | 73 | 2500 | 1000 | 4500 |
| Carrier | TUBE | LARGE T&R | SMALL T&R | LARGE T&R | TUBE | LARGE T&R | SMALL T&R | LARGE T&R |
| Device Marking | LM26420 | XMH | L26420X | L26420X | LM26420 | YMH | L26420Y | L26420Y |
| Width (mm) | 4.4 | 4.4 | 4 | 4 | 4.4 | 4.4 | 4 | 4 |
| Length (mm) | 6.5 | 6.5 | 4 | 4 | 6.5 | 6.5 | 4 | 4 |
| Thickness (mm) | 1 | 1 | .75 | .75 | 1 | 1 | .75 | .75 |
| Pitch (mm) | .65 | .65 | .65 | .65 | .65 | .65 | .65 | .65 |
| Max Height (mm) | 1.2 | 1.2 | .8 | .8 | 1.2 | 1.2 | .8 | .8 |
| Mechanical Data | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 |
参数化
| Parameters / Models | LM26420XMH/NOPB | LM26420XMHX/NOPB | LM26420XSQ/NOPB | LM26420XSQX/NOPB | LM26420YMH/NOPB | LM26420YMHX/NOPB | LM26420YSQ/NOPB | LM26420YSQX/NOPB |
|---|---|---|---|---|---|---|---|---|
| Control Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode |
| Duty Cycle(Max), % | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 |
| Iout(Max), A | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Iq(Typ), mA | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Package Group | HTSSOP | HTSSOP | WQFN | WQFN | HTSSOP | HTSSOP | WQFN | WQFN |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Regulated Outputs | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Special Features | Enable,Light Load Efficiency,Phase Interleaving,Power Good,Pre-Bias Start-Up,Synchronous Rectification | Enable,Light Load Efficiency,Phase Interleaving,Power Good,Pre-Bias Start-Up,Synchronous Rectification | Enable,Light Load Efficiency,Phase Interleaving,Power Good,Pre-Bias Start-Up,Synchronous Rectification | Enable,Light Load Efficiency,Phase Interleaving,Power Good,Pre-Bias Start-Up,Synchronous Rectification | Enable,Light Load Efficiency,Phase Interleaving,Power Good,Pre-Bias Start-Up,Synchronous Rectification | Enable,Light Load Efficiency,Phase Interleaving,Power Good,Pre-Bias Start-Up,Synchronous Rectification | Enable,Light Load Efficiency,Phase Interleaving,Power Good,Pre-Bias Start-Up,Synchronous Rectification | Enable,Light Load Efficiency,Phase Interleaving,Power Good,Pre-Bias Start-Up,Synchronous Rectification |
| Switching Frequency(Max), kHz | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 |
| Switching Frequency(Min), kHz | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 |
| Type | Converter | Converter | Converter | Converter | Converter | Converter | Converter | Converter |
| Vin(Max), V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vin(Min), V | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Vout(Max), V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Vout(Min), V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
生态计划
| LM26420XMH/NOPB | LM26420XMHX/NOPB | LM26420XSQ/NOPB | LM26420XSQX/NOPB | LM26420YMH/NOPB | LM26420YMHX/NOPB | LM26420YSQ/NOPB | LM26420YSQX/NOPB | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
应用须知
- AN-1973 Benefits and Challenges of High-Frequency Regulators (Rev. A)PDF, 661 Kb, 修订版: A, 档案已发布: Apr 23, 2013
This application note considers both the benefits and challenges of using high-frequency regulators.
模型线
系列: LM26420 (8)
制造商分类
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Converter (Integrated Switch)