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LED照明
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The XC9404 series are LED lighting offline controllers that use PFM(Pulse Frequency Modulation) control and have a Power Factor improvement function. The operating input voltage range is 85VAC to 270VAC, and the current is controlled on the primary side without using a Opto-coupler or secondary side control circuit. Because LED current fluctuations caused by input voltage fluctuations and LED voltage fluctuations can be suppressed, a stable LED lighting power supply is obtained.
XC9404系列是LED照明离线控制器，使用PFM（脉冲频率调制）控制，具有功率因数改善功能。工作输入电压范围为85VAC至270VAC，电流在一次侧控制，无需使用光耦或二次侧控制电路。由于输入电压波动引起的LED电流波动和LED电压波动可以得到抑制，因此得到了稳定的LED照明电源。
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对应电压范围 85VAC～270VAC Output Wattage up to 50W Power Factor / THD Power Factor 0.95 or more
THD up to 10% attainable
控制 PFM control 功能 Opto-coupler free due to primary control
Built-in acceleration Start
Low Start up Current 20μA保护功能 LED Open/Short protection
Over Voltage Protection
Over Current ProtectionUVLO
Thermal shutdown
工作温度范围 -40℃ ~ +105℃
