LT8640EUDC#TRPBF vs LT8606EDC#TRPBF 对比
详细并排对比 LT8640EUDC#TRPBF 出自 Analog Devices 和 LT8606EDC#TRPBF 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
LT8606EDC#TRPBF - 42V 350mA Sync Buck Regulator | Analog Devices
LT8606EDC#TRPBF ✓ 量产中规格对比
| 参数 | LT8640EUDC#TRPBF | LT8606EDC#TRPBF |
|---|---|---|
| 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） | $5.48 | $2.52 |
| 拓扑 | Synchronous Buck (Step-Down) | Synchronous Step-Down (Buck) |
| 输入电压范围 | 3.4 V to 42 V | 3.0 V to 42 V |
| 输出电压范围 | 0.97 V to 41.58 V (adjustable) | 1.8 V to VIN (adjustable, lower voltages possible per datasheet) |
| 最大输出电流 | 5 A | 350 mA continuous |
| 输出数量 | 1 | — |
| 开关频率 | Up to 3 MHz (programmable) | 200 kHz to 2 MHz (2 MHz default, RT pin adjustable on MSOP variant) |
| 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) | 8-pin 2 mm x 2 mm DFN with Exposed Pad (DDC) |
| 安装类型 | Surface Mount | — |
| MSL 等级 | 1 | — |
| RoHS 状态 | Compliant (Pb-free) | — |
| Output Polarity | Positive | — |
| Quiescent Current (non-switching) | — | 1.7 µA typical |
| 效率 | — | >90% at moderate loads |
| Light-Load Mode | — | Low ripple Burst Mode |
| 工作温度范围 | — | -40 °C to +125 °C (junction) |
| Switch Type | — | Internal high-side and low-side MOSFETs (synchronous) |
| Operating Frequency Mode | — | Burst Mode (DFN); selectable Burst/SYNC/SS on MSOP variants |
| Maximum Junction Temperature | — | +125 °C |
| Storage Temperature Range | — | -65 °C to +150 °C |
| 湿敏等级（MSL） | — | 1 (per JEDEC J-STD-020) |
| Lead Finish | — | Au (Gold) per Analog Devices package |
| RoHS / REACH | — | RoHS compliant (per DigiKey listing) |