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首页产品索引CAT3648

CAT3648

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 LED Driver, 4-Channel with 32 Dimming Levels

制造商:ON

中文数据手册

产品信息

The CAT3648 is a high efficiency fractional charge pump that can drive up to four LEDs programmable by a one wire digital interface. The inclusion of a 1.33x fractional charge pump mode increases device efficiency by up to 10% over traditional 1.5x charge pumps with no added external capacitors.
Low noise input ripple is achieved by operating at a constant switching frequency which allows the use of small external ceramic capacitors. The multi-fractional charge pump supports a wide range of input voltages from 2.4 V to 5.5 V.
The EN/DIM logic input functions as a chip enable and a digital dimming interface for setting the current in all the LED channels. The 1-wire pulse-dimming interface supports 32 linear steps from full-scale down to zero current.
  • High efficiency 1.33x charge pump
  • Quad-mode charge pump: 1x, 1.33x, 1.5x, 2x
  • Drives up to 4 LEDs at 25 mA each
  • 1-wire EZDim™ 32 linear steps
  • Power efficiency up to 92%
  • Low noise input ripple in all modes
  • 'Zero' current shutdown mode
  • Soft start and current limiting
  • Short circuit protection
  • Thermal shutdown protection

电路图、引脚图和封装图

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型号制造商描述购买
CAT3648HV3-GT2ON 立即购买

技术资料

标题类型大小(KB)下载
TQFN16, 3x3PDF54 点击下载
LED Driver, 4-Channel with 32 Dimming LevelsPDF203 点击下载
CAT3648_PD.GIFUNKNOW16 点击下载
CAT3648_AD.GIFUNKNOW10 点击下载

应用案例更多案例

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