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UC1524,UC2524和UC3524在單個芯片上集成了構建調(diào)節(jié)電源,逆變器或開關穩(wěn)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。 UC1524系列設計用于采用固定頻率,脈沖寬度調(diào)制技術的任一極性開關穩(wěn)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。雙交流輸出允許單端或推挽應用。每個器件都包括一個片上基準電壓源,誤差放大器,可編程振蕩器,脈沖轉向觸發(fā)器,兩個未提交的輸出晶體管,一個高增益比較器,以及限流和關斷電路。 UC1524的特點是可在-55°C至125°C的整個軍用溫度范圍內(nèi)運行。 UC2524和UC3524的設計工作溫度分別為-25°C至85°C和0°C至70°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 |
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UC3524 | UC3524A | UC3525A | UC3525B | UC3526A |
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Boost 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 ? ? | Boost Buck Flyback Forward Full-Bridge Half-Bridge Push-Pull ? ? |
Voltage ? ? | Voltage ? ? | Voltage ? ? | Voltage ? ? | Voltage ? ? |
7.5 ? ? | 7.5 ? ? | 7 ? ? | 7 ? ? | 7 ? ? |
40 ? ? | 40 ? ? | 40 ? ? | 40 ? ? | 40 ? ? |
450 ? ? | 450 ? ? | 500 ? ? | 500 ? ? | 600 ? ? |
7.5/7 ? ? | 7.5/7 ? ? | 7.0/6.5 ? ? | 7.0/6.5 ? ? | 7/6.8 ? ? |
90 ? ? | 50 ? ? | 49 ? ? | 49 ? ? | 50 ? ? |
0.1 ? ? | 0.2 ? ? | 0.4 ? ? | 0.4 ? ? | 0.2 ? ? |
Adjustable Switching Frequency Error Amplifier Multi-topology Soft Start Synchronization Pin ? ? | Adjustable Switching Frequency Error Amplifier Multi-topology Soft Start Synchronization Pin ? ? | Adjustable Switching Frequency Current Limiting Dead Time Control Error Amplifier Multi-topology Soft Start Synchronization Pin ? ? | Adjustable Switching Frequency Current Limiting Dead Time Control Error Amplifier Multi-topology Soft Start Synchronization Pin ? ? | Adjustable Switching Frequency Dead Time Control Error Amplifier Multi-topology Soft Start Synchronization Pin ? ? |
Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? |
0 to 70 ? ? | 0 to 70 ? ? | 0 to 70 ? ? | 0 to 70 ? ? | 0 to 70 ? ? |
16SOIC 16SOIC ? ? | 16PDIP 16SOIC ? ? | 16PDIP 16SOIC ? ? | 16PDIP 16SOIC ? ? | 18PDIP 18SOIC ? ? |