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XLT604 is company product

XLT604 PDF Download
XLT604
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Description: ...XLT604 可驱动上百个LED串联或数串并联,通过调节恒流值可确保LED亮度并延长寿命。PWM_D端可采用低频脉宽调制的方法调节LED亮度,同时兼作使能端,该端悬空时芯片无输出控制。该芯片也可通过LD端线性调压的方式调节LED的亮度。 2) LED驱动控制 XLT604可控制包括隔离/非隔离、连续/非连续等类型的转换器。当GATE 端输出高电平时电...
...450VDC 范围内能有效驱动高亮LED。该芯片能以高达300KHz 的固定频率驱动外部MOSFET,其频率外部电阻编程决定。外部高亮LED串采用恒流方式控制,以保持恒定亮度并增强LED的可靠性,其恒流值由外部取样电阻值决定,变化范围从几毫安到1安培。 XLT604 驱动的LED可通过外部控制电压线性调节亮度,亦可通过外部低频PWM 方式调节LED...
...电气参数: Symbol Description Min Typ Max Units Conditions Vindc Input DC Supply voltage range 6 450 V DC input voltage Iin_sd Shut-down mode supply current 0.5 1 mA Pin PWM_D to GND,Vin=6V ...
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