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数据： TPS566250 具有 VID 控制的 4.5V 至 17V 输入、6A 同步降压转换器 数据表 (Rev. A)
TPS566250是一款同步降压转换器，可帮助系统设计人员通过经济高效，低元件数，低待机电流的解决方案来实现一整套终端设备电源总线稳压器。
初始上电之后，可通过I 2 C兼容V ID 控制总线向集成电路（IC发送代码来更改输出电压。
TPS566250的主控制环路采用D-CAP2™模式控制，无需外部补偿元件即可实现快速瞬态响应。自适应导通时间控制可使器件在高负荷条件下的脉宽调制（PWM）模式与轻负载条件下的高级Eco-mode™工作模式之间实现无缝切换。高级Eco-mode™使TPS566250能够在轻负载条件下保持高效率。 TPS566250既能够适应诸如高分子有机半导体固体电容（POSCAP）或高分子聚合物电容（SP-CAP）的低等效串联电阻（ESR）输出电容，也能够适应超低等效串联电阻（ESR）的陶瓷电容。
该器件提供片上流，欠压闭锁和热关断保护。
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 |
| TPS566250 | TPS51362 | TPS53318 | TPS53319 | TPS53353 | TPS53355 | TPS56520 | TPS56628 | TPS56720 |
|---|---|---|---|---|---|---|---|---|
| 4.5 | 3 | 1.5 | 1.5 | 1.5 | 1.5 | 4.5 | 4.5 | 4.5 |
| 17 | 22 | 22 | 22 | 15 | 15 | 17 | 18 | 17 |
| 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.76 | 0.6 |
| 1.87 | 2 | 5.5 | 5.5 | 5.5 | 5.5 | 1.87 | 5.5 | 1.87 |
| 6 | 10 | 8 | 14 | 20 | 30 | 5 | 6 | 7 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 500 | 800 | 250 | 250 | 250 | 250 | 500 | 650 | 500 |
| 500 | 800 | 1000 | 1000 | 1000 | 1000 | 500 | 650 | 500 |
| 0.9 | 0.1 | 0.32 | 0.32 | 0.32 | 0.32 | 0.92 | 0.95 | 0.92 |
| Dynamic Voltage Scaling Enable Light Load Efficiency Power Good Synchronous Rectification UVLO Adjustable | Enable Light Load Efficiency Output Discharge Power Good 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 | 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 | Adjustable Current Limit Dynamic Voltage Scaling Enable Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification Voltage Margining | Enable Light Load Efficiency Power Good Synchronous Rectification | Adjustable Current Limit Dynamic Voltage Scaling Enable Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification Voltage Margining |
| D-CAP2 | D-CAP2 | D-CAP | D-CAP | D-CAP | D-CAP | D-CAP2 | D-CAP2 | D-CAP2 |
| 80 | 87 | 90 | 90 | 90 | 90 | 80 | 85 | 80 |
| -40 to 85 | -10 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 | Catalog |
| SO PowerPAD | VQFN-CLIP | LSON-CLIP | LSON-CLIP | LSON-CLIP | LSON-CLIP | HTSSOP | SO PowerPAD | HTSSOP |
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