Offline Controllers | NCP1218
概览
NCP1218 是成功的 7 引脚电流模式 NCP12XX 系列的新一代引脚-引脚兼容新产品。该控制器通过使用可调节跳过模式和集成的高电压启动 FET，实现了卓越的待机功耗。内部频率抖动、斜坡补偿、基于计时器的故障检测和锁存输入使得此控制器成为耐用性和部件成本为关键限制因素的转换器的绝佳备选。动态自供电 (DSS) 大大简化了变压器的设计，无需使用辅助绕组为 NCP1218 供电。对于运行过程中输出电压多变的应用（如电池充电器），该特性非常有用。由于其高电压技术，该集成电路可直接联接高电压直流轨。
- AC-DC Adapters
- Consumer Electronic Power Supplies
- Offline Battery Chargers
- STB, DVD, DVDR
- Notebooks
- LCD Monitors
- Printers
- Fixed-Frequency 65 kHz Current-Mode Operation with Ramp Compensation
- Dynamic Self Supply Eliminates the Need for an Auxiliary Winding
- Timer-Based Fault Protection for Improved Overload Detection
- Cycle Skip Mode
- Latch and Auto-Recovery Overload Protection Options
- Internal High Voltage Startup Circuit
- Accurate Current Limit Detector (5%)
- Adjustable Skip Level
- Latch Input for Easy Implementation of Overvoltage and Overtemperature Protection
- Frequency Modulation for Softened EMI Signature
- 500 mA/800 mA Peak Source/Sink Current Drive Capability
- Pin to Pin Compatible with the Existing NCP12XX Series
- This is a Pb-Free and Halide-Free Device
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