LMR33640ADDAR vs LMR33630CDDAR 对比
详细并排对比 LMR33640ADDAR 出自 Texas Instruments 和 LMR33630CDDAR 出自 Texas Instruments。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 | LMR33630CDDAR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 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 | $1.95 |
| 拓扑 | Synchronous Buck (Step-Down) | Synchronous Step-Down (Buck) |
| 输入电压范围 | 3.8 V to 36 V | 3.8 V to 36 V |
| 输出电压范围 | 1 V to 24 V (adjustable) | 1 V to 24 V |
| Continuous Output Current | 4 A | — |
| 开关频率 | 400 kHz (typical) | 2.1 MHz (DDA grade) |
| 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 with internal compensation |
| Enable Input | Precision EN (active high, with PG) | — |
| Power-Good Flag | Yes (open-drain PG) | Yes |
| 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 | 8-pin HSOIC EP (DDA) PowerPAD |
| MSL 等级 | Level-2 (per JEDEC J-STD-020) | Level-2, 260 C, 1 year |
| Functional Safety | Functional Safety-Capable (documentation available) | — |
| RoHS 状态 | Compliant | Compliant |
| 最大输出电流 | — | 3 A |
| Switching Frequency Range | — | 400 kHz to 2.1 MHz |
| Quiescent Current (typ) | — | 24 uA |
| Minimum On-Time | — | [DATA_NEEDED: minimum on-time] |
| 效率 | — | Up to >90% (load and VIN-dependent) |
| 安装类型 | — | Surface Mount |
| 工作温度范围 | — | -40 C to +125 C (TJ) |
| EMI | — | Ultra-low EMI design |