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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 |