LMR33640ADDAR vs MAX17634CATP+ 对比
详细并排对比 LMR33640ADDAR 出自 Texas Instruments 和 MAX17634CATP+ 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
LMR33640ADDAR - 4A 36V Synchronous Buck Converter | Texas Instruments
LMR33640ADDAR ✓ 量产中
规格对比
| 参数 | LMR33640ADDAR | MAX17634CATP+ |
|---|---|---|
| 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） | $2.18 | $4.09 |
| 拓扑 | Synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) DC-DC Converter |
| 输入电压范围 | 3.8 V to 36 V | 4.5 V to 36 V |
| 输出电压范围 | 1 V to 24 V (adjustable) | — |
| Continuous Output Current | 4 A | — |
| 开关频率 | 400 kHz (typical) | 2.2 MHz (typical) |
| Quiescent Current (no load) | 76 uA (typical) | — |
| Light-Load Iq | 25 uA (typical) | — |
| Feedback Reference Accuracy | 1% (over temperature) | — |
| Control Mode | Peak current mode | Peak Current Mode |
| Enable Input | Precision EN (active high, with PG) | — |
| Power-Good Flag | Yes (open-drain PG) | — |
| Internal MOSFETs | Yes (synchronous N-channel high-side and low-side) | — |
| Internal Compensation | Yes | — |
| 工作结温 | -40°C to +125°C | — |
| 封装 | PowerSOIC-8 (DDA) 3.90 mm body | 20-pin TQFN EP (4x4 mm) |
| MSL 等级 | Level-2 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL Level] |
| Functional Safety | Functional Safety-Capable (documentation available) | — |
| RoHS 状态 | Compliant | Compliant |
| Output Voltage Range (C variant) | — | 0.9 V to 32.4 V (adjustable) |
| 最大输出电流 | — | 4.25 A |
| 输出数量 | — | 1 |
| Operating Modes | — | Forced PWM, PFM, DCM |
| 工作温度范围 | — | -40 C to +125 C |
| 安装类型 | — | Surface Mount |
| Lead-Free | — | Yes |
| Integrated MOSFETs | — | Yes (high-side and low-side) |
| 软启动 | — | Programmable |
| 热关断 | — | Yes |