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公开(公告)号:US20120194079A1
公开(公告)日:2012-08-02
申请号:US13392530
申请日:2010-08-18
IPC分类号: H05B37/02
CPC分类号: H05B33/0845 , H05B33/0815 , Y02B20/347
摘要: Circuits useful in achieving efficient current control of LEDs based on a dimming control input are described. The circuits use a combination of PWM dimming and analog dimming to achieve a highly efficient LED driver over a wide range of dimming from near 0% to 100% light output.
摘要翻译: 描述了用于实现基于调光控制输入的LED的有效电流控制的电路。 这些电路采用PWM调光和模拟调光的组合,以实现从0%到100%光输出的宽范围调光范围内的高效率LED驱动器。
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公开(公告)号:US08629619B2
公开(公告)日:2014-01-14
申请号:US13392530
申请日:2010-08-18
IPC分类号: H05B37/00
CPC分类号: H05B33/0845 , H05B33/0815 , Y02B20/347
摘要: Circuits useful in achieving efficient current control of LEDs based on a dimming control input are described. The circuits use a combination of PWM dimming and analog dimming to achieve a highly efficient LED driver over a wide range of dimming from near 0% to 100% light output.
摘要翻译: 描述了用于实现基于调光控制输入的LED的有效电流控制的电路。 这些电路采用PWM调光和模拟调光的组合,以实现从0%到100%光输出的宽范围调光范围内的高效LED驱动器。
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