LM5036 PWM 控制器,集成了辅助偏置电源,可为工业隔离式电源应用提供高功率密度。它包含使用带有输入电压前馈的电压模式控制来实现半桥功率转换器所需的所有功能。此控制器适合在直流输入电压高达 100V 的隔离式转换器的初级侧运行。此控制器包含的功能可提高功率密度和可靠性,同时降低系统成本:
| Topology | Full bridge, Half bridge, Push pull |
| Control mode | Feedforward |
| Duty cycle (max) (%) | 50 |
| Switching frequency (max) (kHz) | 2000 |
| Features | Current limiting, Frequency synchronization, High-voltage startup, Input line monitor, Integrated Switch, Leading edge blanking, Multi-topology, Pre-bias startup, Soft start, Synchronization pin, Thermal shutdown, Wide DC input |
| UVLO thresholds on/off (V) | Programmable/1.25V |
| Operating temperature range (°C) | -40 to 125 |
| Rating | Catalog |
| Gate drive (typ) (A) | 2 |
| WQFN (RJB) | 28 | 25 mm² 5 x 5 |