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数据： TPS548D22 1.5V 至 16V VIN、4.5V 至 22V VDD、40A 且具有全差分感应功能的SWIFT™ 同步降压转换器 数据表 (Rev. D)
TPS548D22器件是一款紧凑型单通道降压转换器，具有自适应导通时间D-CAP3模式控制。该器件专为高精度，高效率，快速瞬态响应，易于使用，外部组件较少且空间受限的电源系统而设计。
该器件采用全差分感应和TI集成FET，高侧导通电阻为此外，该器件还具有0.5％的精度和0.9V基准电压，环境温度范围介于-40°C和+ 125°C之间。具有竞争力的特性包括：极少的外部组件数，精确的负载调节和线路调节，自动跳跃或FCCM工作模式以及内部软启动控制。
TPS548D22器件采用7mm×5mm，40引脚，LQFN-CLIP （RVF）封装（RoHs豁免）。
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 |
| TPS548D22 | TPS53353 | TPS53355 | TPS543B20 | TPS543C20 | TPS544C25 | TPS548B22 | TPS548D21 | TPS549D22 | TPS56121 | TPS56221 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.5 | 1.5 | 1.5 | 4 | 4 | 4.5 | 1.5 | 1.5 | 1.5 | 4.5 | 4.5 |
| 16 | 15 | 15 | 19 | 16 | 18 | 18 | 16 | 16 | 14 | 14 |
| 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5 | 5.5 | 5.5 | 5.5 | 12 | 12 |
| 40 | 20 | 30 | 25 | 40 | 30 | 25 | 40 | 40 | 15 | 25 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 425 | 250 | 250 | 300 | 300 | 200 | 425 | 425 | 315 | 300 | 300 |
| 1050 | 1000 | 1000 | 2000 | 2000 | 1000 | 1050 | 1050 | 1125 | 1000 | 1000 |
| 2 | 0.32 | 0.32 | 3 | 4.3 | 7.7 | 2 | 2 | 2 | 2.5 | 2.5 |
| Adjustable Current Limit Enable Light Load Efficiency Output Discharge Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable | 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 Over Current Protection Phase Interleaving Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable | Adjustable Current Limit Enable Frequency Synchronization N/A Over Current Protection Phase Interleaving Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification | Adjustable Current Limit Dynamic Voltage Scaling Enable Frequency Synchronization PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification Tracking UVLO Adjustable Voltage Margining | Adjustable Current Limit Enable Light Load Efficiency Output Discharge Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable | Adjustable Current Limit Dynamic Voltage Scaling Enable Light Load Efficiency Output Discharge Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification Tracking UVLO Adjustable Voltage Margining | Adjustable Current Limit Dynamic Voltage Scaling Enable Light Load Efficiency PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification Tracking UVLO Adjustable Voltage Margining | Adjustable Current Limit Enable Power Good Pre-Bias Start-Up Synchronous Rectification | Enable Light Load Efficiency Pre-Bias Start-Up Synchronous Rectification |
| D-CAP3 | D-CAP | D-CAP | Current Mode | Current Mode | Voltage Mode | D-CAP3 | D-CAP3 | D-CAP3 | Voltage Mode | Voltage Mode |
| 80 | 90 | 90 | 70 | 70 | 80 | 80 | 80 | 80 | 93 | 93 |
| -40 to 125 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 125 | -40 to 125 |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| LQFN-CLIP | LSON-CLIP | LSON-CLIP | LQFN-CLIP | LQFN-CLIP | LQFN-CLIP | LQFN-CLIP | LQFN-CLIP | LQFN-CLIP | LSON-CLIP | LSON-CLIP |
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