完善资料让更多小伙伴认识你,还能领取20积分哦,立即完善>
数据: 具有Eco-Mode™ 的4.5V 至23V 输入,3A 同步降压SWIFT™ 转换器 数据表 (Rev. A)
TPS54339E是一款自适应接通时间d-CAP2™模式同步降压转换器。TPS54339E可帮助系统设计人员通过一个低成本,低组件数,低待机电流解决方案来完成各种终端设备的电源总线调节器集。TPS54339E的主控制环路采用d-CAP2™模式控制,无需外部补偿组件便可实现极快的瞬态响应。自适应接通时间控制支持较高负载状态下的脉宽调制(PWM)模式与轻负载下的生态模式™工作模式之间的无缝转换。生态模式™使TPS54339E能够在较轻负载状况下保持高效率。TPS54339E的专有电路还有助于该器件适应诸如POSCAP或SP-CAP等低等效串联电阻(ESR)输出电容器以及超低ESR陶瓷电容器。该器件的工作输入电压介于4.5V输出电压可在0.76V与7V之间进行设定。此外,该器件还特有一个可调软启动时间.TPS54339E采用8引脚DDA封装,并针对-4至18V之间。 0°C到85°C的工作温度范围内的运行而设计。
| Vin (Min) (V) |
| Vin (Max) (V) |
| Vout (Min) (V) |
| Vout (Max) (V) |
| Iout (Max) (A) |
| Regulated Outputs (#) |
| Switching Frequency (Min) (kHz) |
| Switching Frequency (Max) (kHz) |
| Iq (Typ) (mA) |
| Features |
| Control Mode |
| Duty Cycle (Max) (%) |
| Operating Temperature Range (C) |
| Rating |
| Package Group |
| TPS54339E | TPS54229 | TPS54229E | TPS54239 | TPS54239E | TPS54329 | TPS54329E | TPS54339 |
|---|---|---|---|---|---|---|---|
| 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| 23 | 18 | 18 | 23 | 23 | 18 | 18 | 23 |
| 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 |
| 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 600 | 650 | 650 | 600 | 600 | 650 | 650 | 600 |
| 600 | 650 | 650 | 600 | 600 | 650 | 650 | 600 |
| 0.6 | 0.8 | 0.85 | 0.6 | 0.6 | 0.8 | 0.8 | 0.85 |
| Enable Light Load Efficiency Synchronous Rectification | Enable Synchronous Rectification | Enable Light Load Efficiency Synchronous Rectification | Enable Synchronous Rectification | Enable Light Load Efficiency Synchronous Rectification | Enable Synchronous Rectification | Enable Light Load Efficiency Synchronous Rectification | Enable Synchronous Rectification |
| D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 |
| 90 | 90 | 90 | 90 | 90 | 85 | 85 | 90 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD |