TPS62840DLCR vs MP1477GTF-Z 对比
详细并排对比 TPS62840DLCR 出自 Texas Instruments 和 MP1477GTF-Z 出自 Monolithic Power Systems。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。
Monolithic Power Systems
MP1477GTF-Z - 3A 18V Sync Step-Down Converter SOT-563 | MPS
MP1477GTF-Z ✓ 量产中规格对比
| 参数 | TPS62840DLCR | MP1477GTF-Z |
|---|---|---|
| 品牌 | Texas Instruments | Monolithic Power Systems |
| 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 | $0.47 |
| 拓扑 | Synchronous Step-Down (Buck) Converter | Synchronous Buck (Step-Down) Converter |
| 输入电压范围 | 1.8 V to 6.5 V | 4.2 V to 18 V |
| 输出电压范围 | Adjustable (0.8 V to V_IN) | 0.8 V to 10 V (adjustable) |
| 最大输出电流 | 750 mA | — |
| 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 | SOT-563 (also cross-listed SOT-666) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | [DATA_NEEDED: MSL rating] | MSL1 (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant | Compliant |
| Continuous Output Current | — | 3 A |
| 开关频率 | — | 800 kHz (nominal) |
| Control Architecture | — | COT (Constant On-Time) |
| 同步整流器 | — | Yes (internal low-side MOSFET) |
| 静态电流 | — | Approximately 0.5 mA [DATA_NEEDED: precise Iq from datasheet electrical table] |
| 工作温度范围 | — | -40 °C to +125 °C (TJ) |
| Protection Features | — | OCP, OVP, OTP, internal soft-start |
| Pin/Package Finish | — | Matte Tin (lead-free) |