UC3842BD1 vs NCP1294 比較
詳細並排比較 UC3842BD1 由 STMicroelectronics 與 NCP1294 由 onsemi. 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 | UC3842BD1 | NCP1294 |
|---|---|---|
| 品牌 | STMicroelectronics | onsemi |
| 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 | — |
| 輸入電壓範圍 | 7.5 V to 30 V | — |
| Output Current (Peak) | 1 A | — |
| Oscillator Frequency (Max) | 500 kHz | — |
| Maximum Duty Cycle | 96% | Programmable / Accurate Clamp [DATA_NEEDED: nominal %] |
| Reference Output Voltage | 5 V | — |
| Reference Tolerance | ±2% | — |
| Error Amplifier Bandwidth | 1 MHz | — |
| Current Sense Threshold | 1 V | — |
| Startup Current | 0.5 mA | < 50 uA |
| 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 | — |
| 封裝 | SOIC-8 | TSSOP-14 [DATA_NEEDED: verify pin count] |
| 安裝類型 | Surface Mount | Surface Mount |
| RoHS 狀態 | Compliant | Compliant |
| 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] |
| VCC Supply Voltage | — | [DATA_NEEDED: VCC range] |
| 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] |