LT8640EUDC#TRPBF vs MPM3682GRE 对比
详细并排对比 LT8640EUDC#TRPBF 出自 Analog Devices 和 MPM3682GRE 出自 Monolithic Power Systems。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 | LT8640EUDC#TRPBF | MPM3682GRE |
|---|---|---|
| 品牌 | Analog Devices | Monolithic Power Systems |
| 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） | $5.48 | $5.48 |
| 拓扑 | Synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) |
| 输入电压范围 | 3.4 V to 42 V | 4.5 V to 18 V (2.5 V to 18 V with 5 V external VCC bias) |
| 输出电压范围 | 0.97 V to 41.58 V (adjustable) | 0.65 V to 5 V (adjustable) |
| 最大输出电流 | 5 A | — |
| 输出数量 | 1 | 1 |
| 开关频率 | Up to 3 MHz (programmable) | 500 kHz typical |
| 静态电流 | 2.5 µA (output in regulation, Burst Mode) | — |
| Minimum Switch On-Time | 30 ns (top switch) | — |
| Architecture | Silent Switcher (low EMI) | — |
| Mode Selection | Burst Mode / Spread Spectrum / External Sync / Pulse-Skipping / Forced Continuous | — |
| 工作结温 | -40 °C to +125 °C (E grade, design assured over -40 to +125) | — |
| 封装 | 20-WFQFN / 18-lead QFN with Exposed Pad (LGA-style UD package) | QFN 12x12x4 mm |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 | 3 (168 hours) |
| RoHS 状态 | Compliant (Pb-free) | Compliant |
| Output Polarity | Positive | — |
| 功能 | — | Non-Isolated PoL Module DC/DC Converter |
| Continuous Output Current | — | 10 A |
| Control Method | — | Constant-On-Time (COT) |
| Dimension | — | 12.0 mm x 12.0 mm x 4.0 mm |
| 工作温度范围 | — | -40 C to +85 C |
| External Components Required | — | As few as 2 (1 resistor + 1 capacitor) |
| ECCN | — | EAR99 |
| HTSUS | — | 8542.39.0001 |
| REACH Status | — | REACH Unaffected |