韓國DONGWOON簡易線性LED恒流驅(qū)動(dòng)器系列(DW8506A,DW8506,DW8505A,DW3505,DW8501,DW8502)應(yīng)用說明
DONGWOON這一系列IC的特性:
●Providing a constant output current regardless of input voltage or load voltage changes
不論輸入電壓或負(fù)載電壓變化,提供恒定的輸出電流
●5V to 40V supply voltage
輸入供應(yīng)電壓 :5V-40V
●Adjustable output current up to 2500mA
可調(diào)整恒定輸出電流,最高可達(dá)2500mA
●Built-in thermal derating circuit
內(nèi)置過熱保護(hù)功能
●Available PWM dimming control (recommended maximum PWM frequency :10 KHZ):
可用PWM調(diào)光控制(建議最大PWM頻率為10 KHZ):
●Output current adjusted through an external resistor
通過外部電阻調(diào)節(jié)輸出電流
●Less peripheral components, low overall cost
外圍組件少,整體成本低
●Easy to use, no EMI/EMC interference
使用方便,無電磁干擾
●Can be used in multiple parallel, extend power
可多路并聯(lián)使用,擴(kuò)展功率
DONGWOON線性系列LED驅(qū)動(dòng)的應(yīng)用
●LED燈泡(LED Light Bulbs)
●標(biāo)志和裝飾LED照明(Signage and decortive LED Lighting)
●平板顯示器的一般照明(General Lighting of flat panel displays)
●RGB背光LED驅(qū)動(dòng)器(RGB backlighting LED Driver)
●帶DC/DC或AC/DC的恒流驅(qū)動(dòng)器(Current stabilizer with DC/DC or AC/DC)
●汽車照明(Automotive lighting)
●通用恒流源(General purpose constant current source)
DONGWOON線性系列LED驅(qū)動(dòng)器內(nèi)部框圖
(DW8506A,DW8506,DW8505A,DW3505,DW8501,DW8502)



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