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SG2524和SG3524器件集成了在單芯片上構建調節電源,逆變器或開關穩壓器所需的所有功能。它們還可以用作高功率輸出應用的控制元件。 SG2524和SG3524設計用于采用固定頻率,脈沖寬度調制(PWM)技術的任一極性開關穩壓器,變壓器耦合DC-DC轉換器,無變壓器倍壓器和極性轉換器應用。互補輸出允許單端或推挽應用。每個器件都包括一個片內穩壓器,誤差放大器,可編程振蕩器,脈沖轉向觸發器,兩個未提交的傳輸晶體管,一個高增益比較器,以及限流和關斷電路。
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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 |
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SG3524 | SG2524 | TL494 | TL594 |
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Boost Buck Flyback Forward Full-Bridge Half-Bridge Push-Pull ? ? | Boost Buck Flyback Forward Full-Bridge Half-Bridge Push-Pull ? ? | Boost Buck Flyback Forward Full-Bridge Half-Bridge Push-Pull ? ? | Boost Buck Flyback Forward Full-Bridge Half-Bridge Push-Pull ? ? |
Voltage ? ? | Voltage ? ? | Voltage ? ? | Voltage ? ? |
8 ? ? | 8 ? ? | -0.3 ? ? | -0.3 ? ? |
40 ? ? | 40 ? ? | 41 ? ? | 41 ? ? |
722 ? ? | 722 ? ? | 300 ? ? | 300 ? ? |
N/A ? ? | N/A ? ? | N/A ? ? | 6.1/6 ? ? |
45 ? ? | 45 ? ? | 45 ? ? | 45 ? ? |
0.05 ? ? | 0.05 ? ? | 0.2 ? ? | 0.2 ? ? |
Adjustable Switching Frequency Error Amplifier Multi-topology ? ? | Adjustable Switching Frequency Error Amplifier Multi-topology ? ? | Adjustable Switching Frequency Dead Time Control Error Amplifier Multi-topology ? ? | Adjustable Switching Frequency Dead Time Control Error Amplifier Multi-topology ? ? |
Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? |
0 to 70 ? ? | -25 to 85 ? ? | -40 to 85 0 to 70 ? ? | -40 to 85 0 to 70 ? ? |
16PDIP 16SO 16SOIC ? ? | 16PDIP 16SOIC ? ? | 16PDIP 16SO 16SOIC 16TSSOP ? ? | 16PDIP 16SO 16SOIC 16TSSOP ? ? |