The MC34848 is a high efficiency, 8-channel LED driver for use in LCD backlighting applications. It is designed to support up to 160 mA /channel in scan backlight mode, or 80 mA/channel in local dimming mode. Current reference is set using a single resistor to GND and the LED current tolerance is accurate to ±1% channel-to-channel and IC-to-IC. The current can be programmed in both local dimming and scan modes. Each channel has independent PWM control with 10-bit resolution, programmed with high speed differential interface.
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