LM2841YMK-ADJL vs LT3971EMSE 对比
详细并排对比 LM2841YMK-ADJL 出自 Texas Instruments 和 LT3971EMSE 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。
Texas Instruments
LM2841YMK-ADJL - 300mA 42V Buck Converter | Texas Instruments
LM2841YMK-ADJL ✓ 量产中
规格对比
| 参数 | LM2841YMK-ADJL | LT3971EMSE |
|---|---|---|
| 品牌 | Texas Instruments | 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） | $1.08 | $4.20 |
| 拓扑 | Step-Down (Buck) DC/DC Switching Regulator | Buck (Step-Down) Switching Regulator |
| 输入电压范围 | 4.5 V to 42 V | Up to 38 V |
| 输出电压范围 | 0.765 V to 33 V (Adjustable) | — |
| 最大输出电流 | 300 mA | 1.2 A |
| 基准电压 | 0.765 V | — |
| 开关频率 | 1500 kHz (nominal) | — |
| Internal Switch RDS(ON) | 0.9 ohm (typical) | — |
| Typical Efficiency | 85 percent | — |
| Control Topology | Peak Current-Mode PWM | — |
| 工作温度范围 | -40 C to +125 C | — |
| 封装 | TSOT-23-6 (DDC, Thin SOT-23-6, 6 pins) | 10-MSOP with Exposed Pad |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (per TI SOT-23 family, infinite floor life) | — |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free | Yes (NOPB suffix) | — |
| Peak Switch Current | — | 1.9 A |
| Quiescent Current (Burst Mode, no load) | — | 2.8 µA |
| Shutdown Supply Current | — | 700 nA |
| Switching Frequency Range | — | 200 kHz to 2 MHz |
| 输出电压 | — | Adjustable |
| Enable Pin Threshold | — | 1 V (accurate) |
| Power Good Flag Threshold | — | 91% of programmed VOUT |
| 软启动 | — | 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 |