• Ultra small package WCSP4F (0.645 mm x 0.645 mm (typ.); t 0.33 mm (max)). • Low quiescent bias current (IB(ON) = 0.34 μA (typ.) at IOUT = 0 mA, output voltage up to 1.5 V) • High ripple rejection ratio 70 dB at 0.8 V-output • Fast load transient re...