onsemi NCL3018x 交流-直流控制器

onsemi NCL3018x 交流-直流控制器是具有模拟/数字调光和功率因数校正功能的电流模式控制器。 这些控制器支持反激、降压-升压和单端初级电感转换器 (SEPIC) 拓扑,针对隔离和非隔离恒流 LED 驱动器。 NCL3018x 控制器采用 紧凑型 SOIC 封装,高度集成了 最少数量的外部元件。

特性

  • Quasi-resonant peak current-mode control operation
  • Valley lockout optimizes efficiency over the line/load range
  • Constant current control with primary side feedback
  • Tight LED constant current regulation of ±2% (typical)
  • Line feedforward for enhanced regulation accuracy
  • Low start-up current (10µA typical for NCL185 and NCL186)
  • Low start-up current (13µA typical for NCL188)
  • 300mA/500mA totem pole driver with 12V gate clamp
  • Robust protection features
    • Brown-out detection
    • Over voltage protection on VCC
    • Programmable over voltage/LED open circuit protection
    • Winding short circuit protection
    • Output short circuit protection
    • Thermal shutdown

应用

  • Integral LED bulbs
  • LED light engines
  • LED driver power supplies
  • Smart LED lighting applications
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物料编号 数据表 系列
NCL30186DDR2G NCL30186DDR2G 数据表 NCL30186
NCL30188BDR2G NCL30188BDR2G 数据表 NCL30188
NCL30186BDR2G NCL30186BDR2G 数据表 NCL30186
发布日期: 2016-11-11 | 更新日期: 2022-03-11