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LP3303

LP3303

  • 厂商:

    POWER

  • 封装:

  • 描述:

    LP3303 - High Performance, Constant Current Switching Regulator For 9PCS White LED - Lowpower Semico...

  • 数据手册
  • 价格&库存
LP3303 数据手册
Preliminary Datasheet No Schttoy, LP3303 High Performance, Constant Current Switching Regulator For 9PCS White LED General Description The LP3303 is a 1.0MHz PWM boost switching regulator designed for constant- current white LED driver applications. The LP3303 can drive a string of up to 8 white LEDs from a 3.6V in series, ensuring uniform brightness and eliminating several ballast resistors. The LP3303 implements a constant frequency 1.0MHz PWM control scheme. The high frequency PWM operation also saves board space by reducing external component sizes. To improve efficiency, the feedback voltage is set to 200mV, which reduces the power dissipation in the current setting resistor. Highly integration and internal compensation network minimizes as 3 external component counts. Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. Features High Efficiency: 86%  1.2MHzFixed-Frequency PWM Operation Maximum Output Voltage up to 28V Operating Range : 2.7V to 16V Shutdown Supply Current:
LP3303 价格&库存

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