significantly improved efficiency. The BCT3220 requires only a 50mV dropout voltage at a 20mA load on each output to ma.

The BCT3220 is a high performance white LED driver. The BCT3220 uses an internal resistor to set the bias current for four LEDs, which are matched to +/-1.5%. The BCT3220's advantages over ballast resistors include much lower bias variation with supp.

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