LT3971EMSE vs LT3971EMSE-3.3#PBF 对比
详细并排对比 LT3971EMSE 出自 Analog Devices 和 LT3971EMSE-3.3#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
LT3971EMSE-3.3#PBF - 38V, 1.2A, 2MHz Buck Regulator | Analog Devices
LT3971EMSE-3.3#PBF ✓ 量产中规格对比
| 参数 | LT3971EMSE | LT3971EMSE-3.3#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） | $4.20 | $4.21 |
| 拓扑 | Buck (Step-Down) Switching Regulator | Buck (Step-Down) |
| 输入电压范围 | Up to 38 V | 4.3 V to 38 V |
| 最大输出电流 | 1.2 A | 1.2 A |
| Peak Switch Current | 1.9 A | — |
| Quiescent Current (Burst Mode, no load) | 2.8 µA | — |
| Shutdown Supply Current | 700 nA | 700 nA |
| Switching Frequency Range | 200 kHz to 2 MHz | — |
| 输出电压 | Adjustable | 3.3 V (fixed) |
| Enable Pin Threshold | 1 V (accurate) | 1 V (accurate) |
| Power Good Flag Threshold | 91% of programmed VOUT | — |
| 软启动 | Programmable via SS capacitor | Programmable via SS capacitor |
| 工作结温 | 0°C to +125°C (E grade) | — |
| Extended Junction Temperature (by design) | -40°C to +125°C | — |
| 封装 | 10-MSOP with Exposed Pad | 10-MSOP with Exposed Pad (MSE), 3.00 mm width |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant (Pb-free #PBF suffix) |
| 开关频率 | — | Up to 2 MHz (adjustable) |
| 静态电流 | — | 2.8 µA (Burst Mode, no load) |
| 工作温度范围 | — | -40 °C to +125 °C |
| Power Good Flag | — | Asserts at 91% of VOUT |
| MSL 等级 | — | 1 (unlimited) |