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PT4110

更新时间:2025-05-12 09:26:37 大小:264K 上传用户:13028866875查看TA发布的资源 标签:PT4110 下载积分:9分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

资料介绍

The PT4110 is a high efficiency step-up DC/DC  converter designed for driving multiple strings of up to  eight series-connected white LED from a single cell  Lithium Ion battery. It regulates the output current,  ideal for driving light emitting diodes (LED) whose  light intensity is proportional to the current passing  through them. The external ballast resistor sets the LED  current ranging from 5mA to 20mA, which can be  easily adjusted using either a DC voltage or a pulse  width modulated (PWM) signal alternatively. Its low  300mV feedback voltage reduces power loss and  improves efficiency.  The PT4110 has multiple features to protect itself from  fault conditions including built-in open load protection,  cycle-by-cycle current limit, over temperature  shutdown, input under voltage control and integrated  soft-start.  The PT4110 is available in SOT-89-5 and SOP-8  packages.

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文件名 大小
PT4110E89E.PDF 264K

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