UC3842BD1 vs NCP1294 比較
詳細な並列比較: UC3842BD1 メーカー: STMicroelectronics および NCP1294 メーカー: onsemi。主要仕様、電気的特性、パッケージ、ライフサイクルステータス、価格、在庫状況を比較して、設計要件に最適な部品を判断してください。
STMicroelectronics
UC3842BD1 - Current Mode PWM Controller | STMicroelectronics | SMPS
UC3842BD1 ✓ 生産中
仕様比較
| パラメータ | UC3842BD1 | NCP1294 |
|---|---|---|
| ブランド | STMicroelectronics | onsemi |
| カテゴリ | DC-DC Converters | DC-DC Converters |
| ライフサイクル状態 | 有効 | 有効 |
| 在庫状況 | In Stock | In Stock |
| 単価（USD） | $0.15 | $0.81 |
| 入力電圧範囲 | 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 | — |
| 動作温度範囲 | -40°C to +150°C | — |
| パッケージ | SOIC-8 | TSSOP-14 [DATA_NEEDED: verify pin count] |
| 実装タイプ | Surface Mount | Surface Mount |
| RoHS ステータス | Compliant | Compliant |
| Topology Supported | — | Flyback, Boost, Forward |
| Control Method | — | Fixed Frequency Feed Forward Voltage Mode PWM |
| スイッチング周波数 | — | Programmable (up to 1 MHz typical) [DATA_NEEDED: exact max] |
| VCC Supply Voltage | — | [DATA_NEEDED: VCC range] |
| ソフトスタート | — | Internal, programmable |
| 電流制限 | — | Cycle-by-cycle |
| Leading Edge Blanking | — | Yes (internal) |
| Undervoltage Protection (UVP) | — | Yes |
| Overvoltage Protection (OVP) | — | Yes |
| Output Driver | — | Totem pole (MOSFET gate drive) |
| 動作温度 | — | -40C to +125C [DATA_NEEDED: verified from datasheet] |