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数据: TPS53127 Dual Synchronous Step-Down Controller For Low Voltage Power Rails 数据表
TPS53127是一款双通道自适应导通时间D-CAP2™模式同步降压控制器。该器件使系统设计人员能够经济高效地完成各种终端设备的电源总线稳压器套件,具有较低的外部元件数和较低的待机功耗。 TPS53127的主控制环路采用D-CAP2模式拓扑,无需外部元件即可提供极快的瞬态响应。
TPS53127还具有专有电路,使器件不仅能够适应低等效电路串联电阻(ESR)输出电容,如POSCAP /SP-CAP,还有陶瓷电容。该器件提供方便,高效的操作,转换电压范围为4.5 V至24 V,输出电压范围为0.76 V至5.5 V.
TPS53127采用24引脚RGE /PW封装,并指定从-40°C到85°C的环境温度范围。
| Vin (Min) (V) |
| Vin (Max) (V) |
| Vout (Min) (V) |
| Vout (Max) (V) |
| Iout (Max) (A) |
| Regulated Outputs (#) |
| Number of Phases |
| Switching Frequency (Min) (kHz) |
| Switching Frequency (Max) (kHz) |
| Iq (Typ) (mA) |
| Features |
| Duty Cycle (Max) (%) |
| Operating Temperature Range (C) |
| Rating |
| Package Group |
| Control Mode |
| TPS53127 | TPS53125 | TPS53126 |
|---|---|---|
| 4.5 | 4.5 | 4.5 |
| 24 | 24 | 24 |
| 0.76 | 0.76 | 0.76 |
| 5.5 | 5.5 | 5.5 |
| 15 | 15 | 15 |
| 2 | 2 | 2 |
| 1 | 1 | 1 |
| 700 | 350 | 350 |
| 700 | 350 | 700 |
| 0.45 | 0.45 | 0.45 |
| Enable Pre-Bias Start-Up Synchronous Rectification | Enable Pre-Bias Start-Up Synchronous Rectification | Enable Pre-Bias Start-Up Synchronous Rectification |
| 89 | 89 | 89 |
| -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog |
| TSSOP VQFN | TSSOP VQFN | TSSOP VQFN |
| D-CAP2 | D-CAP2 | D-CAP2 |