TPS62840DLCR vs BD9B304QWZ-E2 对比
详细并排对比 TPS62840DLCR 出自 Texas Instruments 和 BD9B304QWZ-E2 出自 ROHM Semiconductor。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。
规格对比
| 参数 | TPS62840DLCR | BD9B304QWZ-E2 |
|---|---|---|
| 品牌 | Texas Instruments | ROHM Semiconductor |
| 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） | $1.21 | $0.72 |
| 拓扑 | Synchronous Step-Down (Buck) Converter | Synchronous Buck (Step-Down) |
| 输入电压范围 | 1.8 V to 6.5 V | 2.7 V to 5.5 V |
| 输出电压范围 | Adjustable (0.8 V to V_IN) | 0.8 V to 0.8 x VIN (adjustable) |
| 最大输出电流 | 750 mA | 3.0 A |
| Typical Quiescent Current | 60 nA | — |
| Quiescent Current (100% Mode) | 120 nA | — |
| Nominal Switching Frequency | 1.8 MHz | — |
| Control Topology | DCS-Control (voltage-mode + current-mode) | — |
| Efficiency at 1 uA Load (3.6 VIN to 1.8 VOUT) | 80% | — |
| Efficiency at Full Load | [DATA_NEEDED: efficiency at 750 mA] | — |
| 关断电流 | [DATA_NEEDED: shutdown IQ] | — |
| STOP Pin | Yes (disables switching) | — |
| 软启动 | Programmable via SS pin capacitor | — |
| 工作结温 | -40C to +125C | — |
| 封装 | 8-pin VFDFN (DLC), 3.0 x 3.0 mm | 8-XFDFN Exposed Pad (UMMP008AZ) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | [DATA_NEEDED: MSL rating] | [DATA_NEEDED: MSL rating] |
| RoHS 状态 | Compliant | Compliant |
| 开关频率 | — | 1.0 MHz / 2.0 MHz (selectable via RT pin) |
| High-Side MOSFET RDSon | — | 40 mOhm |
| Low-Side MOSFET RDSon | — | 40 mOhm |
| Control Method | — | Constant On-Time (COT) |
| 输出数量 | — | 1 |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| Lead-Free | — | Yes |
| Built-in Protection | — | Over-current protection, Thermal shutdown, Soft-start |