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TPS54429是一款自适应接通时间D-CAP2模式同步降压转换器.TPS54429可帮助系统设计人员通过低成本，低组件数量TPS54429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。此外，TPS54429的专有电流还有助于该器件适应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。该器件宽泛的工作输入电压介于7 V至18 V之间。输出电压可在0.76 V与5.5 V之间进行编程。此外，该器件还支持可调软启动时间与电源良好功能.TPS54429采用14引脚HTSSOP封装，支持从-20°C到85°C的宽泛工作温度。
| 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 |
| TPS54429 | TPS54225 | TPS54226 | TPS54325 | TPS54326 | TPS54425 | TPS54426 | TPS54429E | TPS54525 | TPS54526 | TPS54625 | TPS54626 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 7 | 4.5 | 4.5 | 4.5 | 4.5 |
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 |
| 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| 4.5 | 2 | 2 | 3 | 3 | 4 | 4 | 4.5 | 5.5 | 5.5 | 6.5 | 6.5 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 700 | 700 | 700 | 700 | 700 | 700 | 700 | 700 | 650 | 650 | 650 | 650 |
| 700 | 700 | 700 | 700 | 700 | 700 | 700 | 700 | 650 | 650 | 650 | 650 |
| 0.85 | 0.8 | 0.8 | 0.85 | 0.85 | 0.85 | 0.85 | 0.85 | 0.9 | 0.9 | 0.95 | 0.95 |
| Enable Power Good Synchronous Rectification | Enable Power Good Synchronous Rectification | Enable Light Load Efficiency Power Good Synchronous Rectification | Enable Power Good Synchronous Rectification | Enable Light Load Efficiency Power Good Synchronous Rectification | Enable Power Good Synchronous Rectification | Enable Light Load Efficiency Power Good Synchronous Rectification | Enable Light Load Efficiency Power Good Synchronous Rectification | Enable Power Good Synchronous Rectification | Enable Light Load Efficiency Power Good Synchronous Rectification | Enable Power Good Synchronous Rectification | Enable Light Load Efficiency Power Good Synchronous Rectification |
| D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 |
| 98 | 90 | 90 | 90 | 90 | 90 | 90 | 98 | 95 | 95 | 95 | 95 |
| -20 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -20 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| HTSSOP | HTSSOP | HTSSOP VQFN | HTSSOP | HTSSOP VQFN | HTSSOP | HTSSOP QFN | HTSSOP QFN | HTSSOP | HTSSOP QFN | HTSSOP | HTSSOP |
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