OC5038 内置MOS开关降压型LED恒流驱动器

2020-05-28
OC5038 是一款内置90V功率MOS高效率、高精度的开关降压型大功率LED恒流驱动芯片。OC5038采用固定关断时间的峰值电流控制方式,关断时间可通过外部电容进行调节,工作频率可根据用户要求而改变。OC5038通过调节外置的电流采样电阻,能控制高亮度LED灯的驱动电流,使LED灯亮度达到预期恒定亮度。在DIM端加PWM信号,可以进行LED灯调光。DIM端同时支持线性调光。OC5038内部还集成了VDD稳压管以及过温保护电路等,减少外围元件并提高系统可靠性。OC5038采用ESOP8封装。散热片内置接SW脚。

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OC5038

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内置MOS开关降压型LED恒流驱动器

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自行车/电动车/摩托车灯 ]强光手电 ]LED射灯 ]大功率LED照明 ]LED背光 ]

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Datasheet

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ESD(HBM,2000V)

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ESOP8

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