ST1S10PHR vs L7987LTR 对比
详细并排对比 ST1S10PHR 出自 STMicroelectronics 和 L7987LTR 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
ST1S10PHR - 3A, 18V Synchronous Step-Down Converter | STMicroelectronics
ST1S10PHR ✓ 量产中STMicroelectronics
L7987LTR - 3A 61V Step-Down Switching Regulator | STMicroelectronics
L7987LTR ✓ 量产中规格对比
| 参数 | ST1S10PHR | L7987LTR |
|---|---|---|
| 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） | $0.78 | $2.77 |
| 拓扑 | Synchronous Step-Down (Buck) | — |
| 输入电压范围 | 2.5 V to 18 V | 4.5 V to 61 V |
| 输出电压范围 | 0.8 V to 0.85 x VIN (adjustable) | 0.6 V to VIN |
| 最大输出电流 | 3 A | — |
| 开关频率 | 900 kHz fixed (400 kHz to 1.2 MHz with external sync) | 250 kHz to 1 MHz (programmable) |
| 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 | — |
| 效率 | Up to 90 % at full load | Up to 90% (typical) |
| 反馈电压 | 0.8 V (VFB reference) | — |
| 工作温度范围 | -40 °C to +125 °C | — |
| 封装 | PowerSO-8 (HSOP-8) exposed pad | HTSSOP-16 (exposed pad) |
| 安装类型 | Surface Mount | Surface Mount |
| 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 | — |
| RoHS 状态 | Compliant | Compliant |
| 功能 | — | Step-Down (Buck) Switching Regulator |
| Output Current | — | 3 A |
| 静态电流 | — | 1.3 mA (typical) |
| 基准电压 | — | 0.6 V (typical) |
| Duty Cycle | — | Up to 100% |
| 工作温度 | — | -40°C to +150°C (junction) |
| 热阻，结到环境 | — | 40°C/W |
| Control Architecture | — | Current Mode |
| Power-Good Flag | — | Yes |
| Internal Compensation | — | Yes |