LT8640SEV-2#PBF vs LT8640SIV#PBF 对比
详细并排对比 LT8640SEV-2#PBF 出自 Analog Devices 和 LT8640SIV#PBF 出自 Analog Devices。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。
Analog Devices
LT8640SEV-2#PBF - 42V, 6A Synchronous Step-Down Silent Switcher | ADI
LT8640SEV-2#PBF ✓ 量产中
规格对比
| 参数 | LT8640SEV-2#PBF | LT8640SIV#PBF |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 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） | $9.20 | $4.95 |
| 拓扑 | Synchronous Step-Down (Buck) | Synchronous Step-Down (Buck) |
| 输入电压范围 | 3.4 V to 42 V | 3.4 V to 42 V |
| 输出电压范围 | 0.97 V to 41.58 V (adjustable) | 0.97 V to 10 V (max 41.58 V) |
| 最大输出电流 | 6 A | 6 A |
| Switching Frequency Range | 200 kHz to 3 MHz | — |
| Minimum Switch On-Time | 30 ns | — |
| Peak Efficiency | 96% | 95 % |
| Quiescent Current (Burst Mode) | 2.5 uA | — |
| Architecture | Silent Switcher 2 (ultra-low EMI) | Silent Switcher 2 (internal bypass caps, low-noise) |
| Control Mode | Peak Current-Mode | — |
| Synchronization | External clock, SYNC/MODE pin (spread spectrum, pulse-skipping, forced continuous) | — |
| 封装 | 24-LQFN-EP (4 mm x 6 mm) | 24-LFQFN Exposed Pad (4 mm x 6 mm) |
| 工作结温 | -40C to +125C | — |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 | 3 (168 hours) |
| RoHS 状态 | Compliant | Compliant |
| EMI Compliance | CISPR 25 / CISPR 32 Class 5 (with minimal filtering) | — |
| 静态电流 | — | 2.5 µA (typical) |
| 开关频率 | — | Up to 3 MHz |
| 工作温度 | — | -40 °C to +125 °C |
| 输出类型 | — | Adjustable |
| 输出数量 | — | 1 |
| 同步整流器 | — | Yes (internal) |
| Lead-Free / PBF | — | Yes (#PBF suffix) |