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数据： 具有 DCS-Control™ 的 TPS6217x 3V 至 17V 0.5A 降压转换器 数据表 (Rev. E)
TPS6217x器件系列是易于使用的同步降压DC-DC转换器，针对高功率密度的应用进行了优化。该系列器件的开关频率典型值高达2.25MHz，允许使用小型电感器，通过利用DCS-Control™拓扑技术提供快速瞬态响应并实现高输出电压精度。
该系列器件具有3V至17V宽运行输入电压范围，非常适用于由锂离子或其他电池以及12V中间电源轨供电的系统。其输出电压为0.9V至6V，支持高达0.5A的持续输出电流（使用100％占空比模式）。
此外，还可以通过配置使能引脚和开漏电源正常状态引脚实现电源排序。
在节能模式下，器件可根据输入电压（VIN）生成约17μA的静态电流。负载较小时可自动且无缝进入节能模式，同时该模式可保持整个负载范围内的高效率。该器件在关断模式下处于关断状态，期间的流耗低于2μA。
此器件提供了可调节输出电压和固定输出电压版本，采用2mm x 2mm 8引脚WSON封装（DSG）。
所有商标均为其各自所有者的财产。
| 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 |
| TPS62171 | TPS62131 | TPS62141 | TPS62151 | TPS62161 | TPS62172 | TPS62173 | TPS62175 | TPS62177 |
|---|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4.7 | 4.7 |
| 17 | 17 | 17 | 17 | 17 | 17 | 17 | 28 | 28 |
| 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 3.3 | 5 | 1 | 3.3 |
| 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 3.3 | 5 | 6 | 3.3 |
| 0.5 | 3 | 2 | 1 | 1 | 0.5 | 0.5 | 0.5 | 0.5 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2250 | 1250 | 1250 | 1250 | 2250 | 2250 | 2250 | 1000 | 1000 |
| 2250 | 2500 | 2500 | 2500 | 2250 | 2250 | 2250 | 1000 | 1000 |
| 0.017 | 0.017 | 0.017 | 0.017 | 0.017 | 0.017 | 0.017 | 0.0048 | 0.0048 |
| Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification |
| Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control |
| 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| WSON | VQFN | VQFN | VQFN | WSON | WSON | WSON | WSON | WSON |
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