【产品】降压式恒流LED功率开关KP1465X采用PWM调光，调光范围1%~100%宽，待机损耗低至10mW

时间： 2022-07-18 来源：必易微

技术问答

必易微推出的KP1465X系列是高度集成的降压型恒流LED功率开关，芯片采用了准谐振的工作模式，无需辅助绕组检测消磁。同时KP1465X还集成了独有的调光技术，能提供高精度的PWM信号调光。

KP1465X内部集成有500V高压MOSFET和650V高压供电电路，简化了系统的设计和生产成本。芯片集成高精度的电感电流采样技术，可以获得高精度的恒流输出，且输出的线电压和负载调整率表现优异。

KP1465X集成有完备的保护功能以保障系统安全可靠的运行，如：欠压保护功能(UVLO)、逐周期电流限制(OCP)、过热保护(OTP)、输出过压保护(OVP)、LED开路和短路保护等。

主要特点

• PWM调光功能

• 1%~100%宽调光范围

• 全调光范围无频闪

• 10mW超低待机损耗

• 集成高压500V MOSFET

• 集成650V高压自供电电路

• 无VDD电容设计

• 准谐振模式高效率工作

• ±4%恒流精度

• 优异的线电压和负载调整率

• 内部保护功能：

输出过压保护 (OVP)

逐周期电流限制 (OCP)

前沿消隐 (LEB)

LED 开路和短路保护

过热保护 (OTP)

• 封装类型SOP-8和DIP-7

典型应用

• 智能LED照明应用

典型应用电路

产品选型

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本文由FY转载自必易微，原文标题为:PWM 调光、降压式恒流 LED 功率开关KP1465X，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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