NCP1294 vs UC3842BD1 比較
詳細並排比較 NCP1294 由 onsemi 與 UC3842BD1 由 STMicroelectronics. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
STMicroelectronics
UC3842BD1 - Current Mode PWM Controller | STMicroelectronics | SMPS
UC3842BD1 ✓ 啟用中規格比較
| 參數 | NCP1294 | UC3842BD1 |
|---|---|---|
| 品牌 | onsemi | STMicroelectronics |
| 類別 | DC-DC Converters | DC-DC Converters |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 單價 (USD) | — | $0.15 |
| Topology Supported | Flyback, Boost, Forward | — |
| Control Method | Fixed Frequency Feed Forward Voltage Mode PWM | — |
| 切換頻率 | Programmable (up to 1 MHz typical) [DATA_NEEDED: exact max] | — |
| Startup Current | < 50 uA | 0.5 mA |
| VCC Supply Voltage | [DATA_NEEDED: VCC range] | — |
| Maximum Duty Cycle | Programmable / Accurate Clamp [DATA_NEEDED: nominal %] | 96% |
| 軟啟動 | Internal, programmable | — |
| 電流限制 | Cycle-by-cycle | — |
| Leading Edge Blanking | Yes (internal) | — |
| Undervoltage Protection (UVP) | Yes | — |
| Overvoltage Protection (OVP) | Yes | — |
| Output Driver | Totem pole (MOSFET gate drive) | — |
| 工作溫度 | -40C to +125C [DATA_NEEDED: verified from datasheet] | — |
| 封裝 | TSSOP-14 [DATA_NEEDED: verify pin count] | SOIC-8 |
| 安裝類型 | Surface Mount | Surface Mount |
| RoHS 狀態 | Compliant | Compliant |
| 輸入電壓範圍 | — | 7.5 V to 30 V |
| Output Current (Peak) | — | 1 A |
| Oscillator Frequency (Max) | — | 500 kHz |
| Reference Output Voltage | — | 5 V |
| Reference Tolerance | — | ±2% |
| Error Amplifier Bandwidth | — | 1 MHz |
| Current Sense Threshold | — | 1 V |
| Operating Supply Current | — | 11 mA |
| Under-Voltage Lockout (UVLO) On | — | 16 V |
| Under-Voltage Lockout (UVLO) Off | — | 10 V |
| 工作溫度範圍 | — | -40°C to +150°C |