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數(shù)據(jù): UCC180x, UCC280x, UCC380x Low-Power BiCMOS Current-Mode PWM Controllers 數(shù)據(jù)表
UCCx80x系列高速,低功耗集成電路包含離線和DC-DC所需的所有控制和驅(qū)動(dòng)組件固定頻率電流模式開(kāi)關(guān)模式電源,器件數(shù)量最少。
這些器件具有與UCx84x系列相同的引腳配置,并且還提供內(nèi)部全周期軟啟動(dòng)和內(nèi)部引線的附加功能 - 電流檢測(cè)輸入的邊沿消隱。
UCCx80x系列提供多種封裝選項(xiàng),溫度范圍選項(xiàng),最大占空比選擇以及臨界電壓電平選擇。較低的參考部件(如UCC2803和UCC2805)最適合電池供電的系統(tǒng),而UCC2802和UCC2804的較高參考電壓和較高的UVLO遲滯使其成為離線電源的理想選擇。
UCC180x系列的工作溫度范圍為-55°C至125°C,UCC280x系列的工作溫度范圍為-40°C至85°C,UCC380x系列的工作溫度范圍為0°C至70°C。 °C。
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Topology |
Control Method |
Vin (Min) (V) |
Vin (Max) (V) |
Frequency (Max) (kHz) |
UVLO Thresholds On/Off (V) |
Duty Cycle (Max) (%) |
Gate Drive (Typ) (A) |
Features |
Rating |
Operating Temperature Range (C) |
Pin/Package |
? |
UCC3803 | UCC3800 | UCC3801 | UCC3802 | UCC3804 | UCC3805 |
---|---|---|---|---|---|
Boost Buck Flyback Forward ? ? | Boost Buck Flyback Forward ? ? | Boost Buck Flyback Forward ? ? | Boost Buck Flyback Forward ? ? | Boost Buck Flyback Forward ? ? | Boost Buck Flyback Forward ? ? |
Current ? ? | Current ? ? | Current ? ? | Current ? ? | Current ? ? | Current ? ? |
4.1 ? ? | 7.2 ? ? | 9.4 ? ? | 8.3 ? ? | 8.3 ? ? | 4.1 ? ? |
12 ? ? | 12 ? ? | 12 ? ? | 12 ? ? | 12 ? ? | 12 ? ? |
1000 ? ? | 1000 ? ? | 1000 ? ? | 1000 ? ? | 1000 ? ? | 1000 ? ? |
4.1/3.6 ? ? | 7.2/6.9 ? ? | 9.4/7.4 ? ? | 12.5/8.3 ? ? | 12.5/8.3 ? ? | 4.1/3.6 ? ? |
100 ? ? | 100 ? ? | 50 ? ? | 100 ? ? | 50 ? ? | 50 ? ? |
1 ? ? | 1 ? ? | 1 ? ? | 1 ? ? | 1 ? ? | 1 ? ? |
Adjustable Switching Frequency Current Limiting Dead Time Control Error Amplifier Multi-topology Soft Start ? ? | Adjustable Switching Frequency Current Limiting Dead Time Control Error Amplifier Leading Edge Blanking Multi-topology Soft Start ? ? | Adjustable Switching Frequency Current Limiting Dead Time Control Error Amplifier Leading Edge Blanking Multi-topology Soft Start ? ? | Adjustable Switching Frequency Current Limiting Dead Time Control Error Amplifier Leading Edge Blanking Multi-topology Soft Start ? ? | Adjustable Switching Frequency Current Limiting Dead Time Control Error Amplifier Leading Edge Blanking Multi-topology Soft Start ? ? | Adjustable Switching Frequency Current Limiting Dead Time Control Error Amplifier Leading Edge Blanking Multi-topology Soft Start ? ? |
Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? |
0 to 70 ? ? | 0 to 70 ? ? | 0 to 70 ? ? | 0 to 70 ? ? | 0 to 70 ? ? | 0 to 70 ? ? |
8PDIP 8SOIC 8TSSOP ? ? | 8PDIP 8SOIC 8TSSOP ? ? | 8PDIP 8SOIC 8TSSOP ? ? | 8PDIP 8SOIC 8TSSOP ? ? | 8PDIP 8SOIC 8TSSOP ? ? | 8PDIP 8SOIC 8TSSOP ? ? |