L7987LTR vs ST1S10PHR 对比
详细并排对比 L7987LTR 出自 STMicroelectronics 和 ST1S10PHR 出自 STMicroelectronics。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。
STMicroelectronics
L7987LTR - 3A 61V Step-Down Switching Regulator | STMicroelectronics
L7987LTR ✓ 量产中STMicroelectronics
ST1S10PHR - 3A, 18V Synchronous Step-Down Converter | STMicroelectronics
ST1S10PHR ✓ 量产中规格对比
| 参数 | L7987LTR | ST1S10PHR |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 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） | $2.77 | $0.78 |
| 功能 | Step-Down (Buck) Switching Regulator | — |
| Output Current | 3 A | — |
| 输入电压范围 | 4.5 V to 61 V | 2.5 V to 18 V |
| 输出电压范围 | 0.6 V to VIN | 0.8 V to 0.85 x VIN (adjustable) |
| 开关频率 | 250 kHz to 1 MHz (programmable) | 900 kHz fixed (400 kHz to 1.2 MHz with external sync) |
| 静态电流 | 1.3 mA (typical) | — |
| 基准电压 | 0.6 V (typical) | — |
| Duty Cycle | Up to 100% | — |
| 效率 | Up to 90% (typical) | Up to 90 % at full load |
| 工作温度 | -40°C to +150°C (junction) | — |
| 封装 | HTSSOP-16 (exposed pad) | PowerSO-8 (HSOP-8) exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| 热阻，结到环境 | 40°C/W | — |
| RoHS 状态 | Compliant | Compliant |
| Control Architecture | Current Mode | — |
| Power-Good Flag | Yes | — |
| Internal Compensation | Yes | — |
| 拓扑 | — | Synchronous Step-Down (Buck) |
| 最大输出电流 | — | 3 A |
| Control Mode | — | Peak Current-Mode PWM |
| High-Side MOSFET RDS(on) | — | [DATA_NEEDED: RDS(on) high-side typical value] |
| Low-Side MOSFET RDS(on) | — | [DATA_NEEDED: RDS(on) low-side typical value] |
| Typical Quiescent Current | — | 1.5 mA |
| 反馈电压 | — | 0.8 V (VFB reference) |
| 工作温度范围 | — | -40 °C to +125 °C |
| MSL 等级 | — | 3 (per JEDEC J-STD-020) |
| Synchronization Input | — | Yes (SYNC/INH pin, 400 kHz to 1.2 MHz) |
| Protection Features | — | Cycle-by-cycle current limit, thermal shutdown, internal soft-start |