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数据: TPS53310 3-A Step-Down Regulator With Integrated Switcher 数据表
TPS53310提供完全集成的3 V至5 V VIN集成同步FET转换器解决方案,总共16个元件,200 mm 2 < /sup> PCB面积。由于低R DS(on)和TI专有的SmoothPWM™Skip工作模式,它可实现95.5%的峰值效率,并且在负载轻至100 mA时效率超过90%。它只需要两个22μF陶瓷输出电容,用于功率密集的3-A解决方案。
TPS53310具有1.1 MHz开关频率,跳过模式操作支持,预偏置启动,内部软启动,输出软放电,内部VBST开关,电源良好,EN /输入UVLO,过流,过压,欠压和过温保护以及所有陶瓷输出电容支持。它支持2.9 V至3.5 V的电源电压和2.9 V至6 V的转换电压,输出电压可在0.6 V至0.84 V×V IN 范围内调节。
TPS53310采用3 mm×3 mm,16引脚VQFN封装(符合Green RoHs标准,无铅),工作温度范围为-40°C至85°C。
所有商标均为各自所有者的财产。
| 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 |
| TPS53310 | TPS53311 | TPS53314 | TPS53315 | TPS53321 |
|---|---|---|---|---|
| 2.9 | 2.9 | 3 | 3 | 2.9 |
| 6 | 6 | 15 | 15 | 6 |
| 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| 4.2 | 4.2 | 5.5 | 5.5 | 4.2 |
| 3 | 3 | 6 | 12 | 5 |
| 1 | 1 | 1 | 1 | 1 |
| 1100 | 1100 | 250 | 250 | 1100 |
| 1100 | 1100 | 1000 | 1000 | 1100 |
| 0.32 | 0.32 | 0.32 | 0.32 | 0.32 |
| Enable Light Load Efficiency Output Discharge Phase Interleaving Power Good Pre-Bias Start-Up Synchronous Rectification | Enable Light Load Efficiency Output Discharge Phase Interleaving Power Good Pre-Bias Start-Up Synchronous Rectification | Adjustable Current Limit Enable Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification | Adjustable Current Limit Enable Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification | Enable Frequency Synchronization Light Load Efficiency Output Discharge Power Good Pre-Bias Start-Up Synchronous Rectification |
| Voltage Mode | Voltage Mode | D-CAP | D-CAP | Voltage Mode |
| 99 | 99 | 90 | 90 | 99 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog | Catalog |
| VQFN | VQFN | VQFN | VQFN | VQFN |