LP5521TMX/NOPB

具有内部程序存储器和集成电荷泵的 3 通道 RGB/白色 LED 驱动器 20-DSBGA -30 to 85

* Adaptive Charge Pump with 1x and 1.5x Gain Provides Up to 95% Drive Efficiency * Charge Pump with Soft Start and Overcurrent/Short Circuit Protection * Low Input Ripple and EMI * Very Small Solution Size, No Inductor or Resistors Required * 200 nA Typical Shutdown Current * Automatic Power Save Mode * I2C-Compatible Interface * Independently Programmable Constant Current Outputs with 8-bit Current Setting and 8-bit PWM Control * Typical LED Output Saturation Voltage 50 mV and Current Matching 1% * Three Program Execution Engines with Flexible Instruction Set * Autonomous Operation Without External Control * Large SRAM Program Memory * Two General Purpose Digital Outputs * DSBGA-20 Package, 0.4-mm Pitch * Bumped WQFN-24 Package, 0.5-mm Pitch