A8503 - WLED/RGB Driver

Allegro

Datasheet Details

The A8503 is a multi-output WLED/RGB LED driver for medium-size LCD backlighting..

▪ Active current sharing between LED strings for ±0.6% accuracy and matching ▪ Drives up to 12 series × 6 parallel = 72 LEDs (Vf = 3.2 V, If = 20 mA) at 5 V ▫ Each individual current sink is capable of 35 mA ▫ Adjustable overvoltage protection (OVP) ▪ 600 kHz to 2 MHz adjustable switching frequency ▫ Open or shorted LED string protection ▫ Open Schottky diode protection ▫ Overtemperature, cycle-by-cycle current limit, undervoltage, and soft start time-out protections ▫ Selectable latched/auto-re.

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