UC3842BD1 vs UCC28C42QDRQ1 对比
详细并排对比 UC3842BD1 出自 STMicroelectronics 和 UCC28C42QDRQ1 出自 Texas Instruments。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Texas Instruments
UCC28C42QDRQ1 - 1MHz Automotive Current-Mode PWM | Texas Instruments
UCC28C42QDRQ1 ✓ 量产中规格对比
| 参数 | UC3842BD1 | UCC28C42QDRQ1 |
|---|---|---|
| 品牌 | STMicroelectronics | Texas Instruments |
| 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 | $1.40 |
| 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% | — |
| 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 | — |
| 封装 | SOIC-8 | 8-SOIC (D) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| 拓扑 | — | Flyback, Step-Up/Step-Down (current-mode PWM controller) |
| Control Mode | — | Peak Current-Mode |
| Maximum Switching Frequency | — | 1000 kHz (1 MHz) |
| Supply Voltage Range | — | 9 V to 18 V |
| 最大输出电流 | — | 1 A (output driver) |
| Technology | — | BiCMOS |
| Regulation | — | Primary-side (aux winding) or secondary-side (opto-coupler) |
| UVLO | — | Yes, family UVLO options |
| Temperature Grade | — | Automotive (AEC-Q100) |
| Pin Compatibility | — | Pin-for-pin compatible with UCx84xA / UCx84x family |
| Duty Cycle Limit Options | — | Yes (family option) |
| Datasheet | — | 46 pages, TI UCC28C42-Q1 |