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本文介绍了SSL1623PH主要特性和优势,方框图以及典型应用电路图.NXP 公司的SSL1623PH是开关电源(SMPS)控制器,能直接从通用电压火线(80V-276V)整流电压工作,它集成了6.5Ω和650 V的功率开关,可调频率以方便设计,具有可调过流保护,以及欠压保护,温度保护和短路保护,主要用在LED镇流器,外观照明,LED点照明以及商业照明.
SSL1623PH主要特性和优势:
Integrated power switch: 6.5 Ω and 650 V
Operates from universal AC mains supplies, 80 V to 276 V
Adjustable frequency for flexible design
RC oscillator for load insensitive regulation loop constant
Valley switching for minimum switch-on loss
Adjustable overcurrent protection
Undervoltage protection
Temperature protection
Short-circuit winding protection
Safe restart mode for system fault conditions
Simple application with both primary and secondary (opto) feedback
16-pin DIP package
SSL1623PH应用:
LED ballasts
Contour lighting
LED spotlights
Channel letter lighting
Down lighting
Commercial lighting (retail displays)
图1.SSL1623PH方框图
图2.SSL1623PH典型应用电路图-初级检测
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