2 Channel White LED Driver with Internal-switch Buck Regulator

Features  4.5 V to 26 V Input Supply Voltage Range  Step-down Regulator . Voltage Mode Control . Adjustable Switching Frequency . Over Current Protection and Soft Start  Dimming Control . Wide PDIM Input Frequency: 100 Hz to 20 kHz . Direct PWM Dimming Control  Two Channel Current Sou

2 Channel White LED Driver with Internal-switch Buck Regulator

The SM21BLA is a high-efficiency white LED driver with internal-switch voltage mode step-down regulator. It drives two channels of LED array with 3% current regulation accuracy between channels. The step-down DC-DC converter provides the regulated supply voltage for LED driving. The SM21BLA feat • 4.5 V to 26 V Input Supply Voltage Range\n• Step-down Regulator\n• Voltage Mode Control\n• Adjustable Switching Frequency\n• Over Current Protection and Soft Start\n• Dimming Control\n• Wide PDIM Input Frequency: 100 Hz to 20 kHz\n• Direct PWM Dimming Control\n• Two Channel Current Source Drivers\;