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TPS544x25器件是采用5mm×7mm封装且符合PMBus 1.2规范的非隔离式直流/直流转换器,具有集成的FET,能够在高频下运行并输出20A或30A的电流。集成式NexFET™功率级和经优化的驱动器提供的高频,低损耗开关支持密度极高的电源解决方案.PMBus接口通过VOUT_COMMAND支持AVS功能,同时支持灵活的转换器配置以及关键参数(包括输出电压,电流和可选的外部温度)监控功能。对故障状况的响应可设置为重新启动,锁存或忽略,具体取决于系统要求。
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 |
| TPS544B25 | TPS544B20 | TPS544C20 | TPS544C25 |
|---|---|---|---|
| 4.5 | 4.5 | 4.5 | 4.5 |
| 18 | 18 | 18 | 18 |
| 0.5 | 0.6 | 0.6 | 0.5 |
| 5.5 | 5.5 | 5.5 | 5 |
| 20 | 20 | 30 | 30 |
| 1 | 1 | 1 | 1 |
| 200 | 250 | 250 | 200 |
| 1000 | 1000 | 1000 | 1000 |
| 9.5 | 8 | 8 | 7.7 |
| Adjustable Current Limit Dynamic Voltage Scaling Enable Frequency Synchronization PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable Voltage Margining | Adjustable Current Limit Dynamic Voltage Scaling Enable PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable Voltage Margining | Adjustable Current Limit Dynamic Voltage Scaling Enable PMBus Power Good Pre-Bias Start-Up Remote Sense Synchronous Rectification UVLO Adjustable Voltage Margining | 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 |
| Voltage Mode | D-CAP D-CAP2 | D-CAP D-CAP2 | Voltage Mode |
| 80 | 80 | 80 | 80 |
| -40 to 125 | -40 to 85 | -40 to 85 | -40 to 125 |
| Catalog | Catalog | Catalog | Catalog |
| LQFN-CLIP | LQFN-CLIP | LQFN-CLIP | LQFN-CLIP |