TPS5450DDAR vs TPS5450QDDARQ1 对比
详细并排对比 TPS5450DDAR 出自 Texas Instruments 和 TPS5450QDDARQ1 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 | TPS5450DDAR | TPS5450QDDARQ1 |
|---|---|---|
| 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） | $2.55 | $1.80 |
| 拓扑 | Buck (Step-Down) | Step-Down (Buck), Non-Synchronous |
| 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 (adjustable) | 1.221 V to 31 V |
| 最大输出电流 | 5 A | 5 A continuous (6 A peak) |
| 开关频率 | 500 kHz (fixed) | 500 kHz |
| 输出数量 | 1 | 1 |
| Control Method | Voltage-mode PWM, internally compensated | Voltage Mode PWM, Internally Compensated |
| Integrated MOSFET | Low-resistance high-side N-channel | — |
| Typical Efficiency | > 90 percent | — |
| Protection Features | Cycle-by-cycle overcurrent, thermal shutdown, programmable soft-start | — |
| 使能引脚 | Yes (ENA) | Yes (active-high ENA) |
| 工作温度 | -40C to +125C | -40 C to +125 C |
| 封装 | HSOIC PowerPAD (DDA), 8 pins, 3.90 mm width | HSOIC (DDA) 8-PowerSOIC, 3.90 mm width, PowerPAD |
| 安装类型 | Surface Mount | Surface Mount |
| 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)] | — |
| 同步整流器 | — | No |
| Shutdown Supply Current | — | 18 uA (typ, via ENA pin) |
| Protections | — | Overcurrent limiting, OVP, thermal shutdown |
| Automotive Qualification | — | AEC-Q100 Qualified, PPAP supported |
| ECCN (US) | — | EAR99 |
| HTS | — | 8542.39.00.90 |
| RoHS 状态 | — | Compliant |