UC3842BD1 vs E-UC3844BD1 对比
详细并排对比 UC3842BD1 出自 STMicroelectronics 和 E-UC3844BD1 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
UC3842BD1 - Current Mode PWM Controller | STMicroelectronics | SMPS
UC3842BD1 ✓ 量产中
规格对比
| 参数 | UC3842BD1 | E-UC3844BD1 |
|---|---|---|
| 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） | $0.15 | $0.71 |
| 输入电压范围 | 7.5 V to 30 V | — |
| Output Current (Peak) | 1 A | — |
| Oscillator Frequency (Max) | 500 kHz | — |
| Maximum Duty Cycle | 96% | 50% |
| Reference Output Voltage | 5 V | — |
| Reference Tolerance | ±2% | — |
| Error Amplifier Bandwidth | 1 MHz | — |
| Current Sense Threshold | 1 V | — |
| Startup Current | 0.5 mA | — |
| Operating Supply Current | 11 mA | — |
| Under-Voltage Lockout (UVLO) On | 16 V | — |
| Under-Voltage Lockout (UVLO) Off | 10 V | — |
| 工作温度范围 | -40°C to +150°C | [DATA_NEEDED: industrial / commercial grade range] |
| 封装 | SOIC-8 | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| PWM Type | — | Current Mode |
| 输出数量 | — | 1 |
| 拓扑 | — | Boost, Flyback (Isolation Capable, Step-Up/Step-Down) |
| 封装 / 外壳 | — | 8-SOIC (3.90 mm body width) |
| Supply Voltage Range | — | 11.5 V to 25 V |
| Maximum Switching Frequency | — | 500 kHz |
| Oscillator Frequency (Guaranteed) | — | 250 kHz |
| 启动电流 | — | 0.5 mA typical |
| Output Current (Peak, Gate Drive) | — | 1 A |
| 基准电压 | — | 5 V (internal bandgap) |
| UVLO Thresholds | — | [DATA_NEEDED: specific turn-on / turn-off thresholds for the E-UC3844BD1 UVLO variant] |
| Lead-Free | — | Yes |
| MSL 等级 | — | 1 |