TPS5450QDDARQ1 vs TPS5450DDAR 对比
详细并排对比 TPS5450QDDARQ1 出自 Texas Instruments 和 TPS5450DDAR 出自 Texas Instruments。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | TPS5450QDDARQ1 | TPS5450DDAR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | DC-DC Converters | DC-DC Converters |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.80 | $2.55 |
| 拓扑 | Step-Down (Buck), Non-Synchronous | Buck (Step-Down) |
| 输入电压范围 | 5.5 V to 36 V | 5.5 V to 36 V |
| 输出电压范围 | 1.221 V to 31 V | 1.221 V to 31 V (adjustable) |
| 最大输出电流 | 5 A continuous (6 A peak) | 5 A |
| 输出数量 | 1 | 1 |
| 开关频率 | 500 kHz | 500 kHz (fixed) |
| Control Method | Voltage Mode PWM, Internally Compensated | Voltage-mode PWM, internally compensated |
| 同步整流器 | No | — |
| Shutdown Supply Current | 18 uA (typ, via ENA pin) | — |
| 使能引脚 | Yes (active-high ENA) | Yes (ENA) |
| Protections | Overcurrent limiting, OVP, thermal shutdown | — |
| 工作温度 | -40 C to +125 C | -40C to +125C |
| 封装 | HSOIC (DDA) 8-PowerSOIC, 3.90 mm width, PowerPAD | HSOIC PowerPAD (DDA), 8 pins, 3.90 mm width |
| 安装类型 | Surface Mount | Surface Mount |
| Automotive Qualification | AEC-Q100 Qualified, PPAP supported | — |
| ECCN (US) | EAR99 | — |
| HTS | 8542.39.00.90 | — |
| RoHS 状态 | Compliant | — |
| Integrated MOSFET | — | Low-resistance high-side N-channel |
| Typical Efficiency | — | > 90 percent |
| Protection Features | — | Cycle-by-cycle overcurrent, thermal shutdown, programmable soft-start |
| Family | — | SWIFT (Step-Down Converter with Integrated FET) |
| 静态电流 | — | [DATA_NEEDED: quiescent current] |
| High-Side MOSFET Rds(on) | — | [DATA_NEEDED: Rds(on)] |