UCC28C42QDRQ1 vs UC3842BD1 对比
详细并排对比 UCC28C42QDRQ1 出自 Texas Instruments 和 UC3842BD1 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。
Texas Instruments
UCC28C42QDRQ1 - 1MHz Automotive Current-Mode PWM | Texas Instruments
UCC28C42QDRQ1 ✓ 量产中STMicroelectronics
UC3842BD1 - Current Mode PWM Controller | STMicroelectronics | SMPS
UC3842BD1 ✓ 量产中规格对比
| 参数 | UCC28C42QDRQ1 | UC3842BD1 |
|---|---|---|
| 品牌 | Texas Instruments | 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） | $1.40 | $0.15 |
| 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 | — |
| 封装 | 8-SOIC (D) | SOIC-8 |
| 安装类型 | Surface Mount | Surface Mount |
| Temperature Grade | Automotive (AEC-Q100) | — |
| Pin Compatibility | Pin-for-pin compatible with UCx84xA / UCx84x family | — |
| Duty Cycle Limit Options | Yes (family option) | — |
| RoHS 状态 | Compliant | Compliant |
| Datasheet | 46 pages, TI UCC28C42-Q1 | — |
| 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 |