y y y y y y y y Drives up to 4 LEDs at 30 mA Each Regulated Output Current With 0.5% Matching Over Temperature High Efficiency by Adaptive Mode Selection Between 1x and 1.

The device provides a constant current, set by an external resistor, for each LED. The supply voltage ranges from 2.7 V.

The CP2137 is optimized for white LED supplies in backlight color display applications. The device provides a constant current, set by an external resistor, for each LED. The supply voltage ranges from 2.7 V to 5.5 V and is ideally suited for all ap.

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