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UC1524，UC2524和UC3524在单个芯片上集成了构建调节电源，逆变器或开关稳压器所需的所有功能。它们还可以用作高功率输出应用的控制元件。 UC1524系列设计用于采用固定频率，脉冲宽度调制技术的任一极性开关稳压器，变压器耦合DC-DC转换器，无变压器倍压器和极性转换器应用。双交流输出允许单端或推挽应用。每个器件都包括一个片上基准电压源，误差放大器，可编程振荡器，脉冲转向触发器，两个未提交的输出晶体管，一个高增益比较器，以及限流和关断电路。 UC1524的特点是可在-55°C至125°C的整个军用温度范围内运行。 UC2524和UC3524的设计工作温度分别为-25°C至85°C和0°C至70°C。
| 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 |
| UC3524 | UC3524A | UC3525A | UC3525B | UC3526A |
|---|---|---|---|---|
| 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 |
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