Texas Instruments UCC28180 PFC控制器
Texas Instruments UCC28180是一款灵活且易于使用的8 引脚有源功率因数 (PFC) 控制器，此控制器运行在连续传导模式 (CCM) 下，以便实现AC-DC前端内升压预稳压器的高功率因数、低电流失真和出色的电压稳压。此控制器适用于100 瓦至几千瓦范围内在 18kHz至250kHz 的可编程开关频率内运行的通用交流输入系统，以便轻松支持功率 MOSFET 和 IGBT 开关。一个集成 1.5A 和 2A (SRC-SNK) 峰值栅极驱动输出，内部钳制电压 15.2V（典型值），可实现快速接通、关闭，以及在无需缓冲电路的情况下轻松管理外部电源开关。
特性
- 8-pin Solution (no AC line sensing needed)
- Wide Range Programmable Switching Frequency (18 kHz to 250 kHz for MOSFET and IGBT based PFC converters)
- Trimmed Current Loop Circuits for Low iTHD
- Reduced Current Sense Threshold (minimizes power dissipation in shunt)
- Average Current-Mode Control
- Soft Over Current and Cycle-by-Cycle Peak Current Limit Protection
- Output Over-Voltage Protection with Hysteresis Recovery
- Audible Noise Minimization Circuitry
- Open Loop Detection
- Enhance Dynamic Response During Output Over and Under-Voltage Conditions
- Maximum Duty Cycle of 96%(typical)
- Burst Mode for No Load Regulation
- VCC UVLO, Low ICC Start-Up (<75µA)
应用
- Universal AC Input, CCM Boost PFC converters in 100W to Few-kW range
- Server and desktop power supplies
- White good appliances (Air conditioners, refrigerators)
- Industrial power supplies (DIN rail)
- Flat panel TV (PDP, LCD, and LED) TVs
Evaluation Module
Texas Instruments UCC28180EVM评估模块 (EVM)
演示采用UCC28180连续电流模式升压PFC控制器的诸多优势。
发布日期: 2014-01-14
| 更新日期: 2022-03-11