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。
| Vin (min) (V) | 4.5 |
| Vin (max) (V) | 18 |
| Vout (min) (V) | 0.5 |
| Vout (max) (V) | 5.5 |
| Iout (max) (A) | 20 |
| Iq (typ) (mA) | 9.5 |
| Switching frequency (min) (kHz) | 200 |
| Switching frequency (max) (kHz) | 1000 |
| Features | Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Frequency synchronization, Over Current Protection, PMBus, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Telemetry, UVLO adjustable, Voltage Margining |
| Operating temperature range (°C) | -40 to 125 |
| Rating | Catalog |
| Regulated outputs (#) | 1 |
| Control mode | Voltage mode |
| Duty cycle (max) (%) | 80 |
| Type | Converter |
| LQFN-CLIP (RVF) | 40 | 35 mm² 7 x 5 |