600mA Step-Down Converter

Features • Vin Range: 2.7V to 5.5V • Maximum Output Current 600mA • High Efficiency Up to 98 • Low Quiescent Current • High Switching Frequency: 1.6MHz • Low Dropout in 100 Duty Cycle • Shutdown Current

Programmable Dual Output LCD Bias Power

Features • Input voltage range (2.7V to 5.5V) • Dual output regulator with single inductor • High efficiency above 85 • Charge pump with PFM mode at light load • Programmable output voltages • Positive output voltage range  +4.0V to +6.3V (100mV/step) • Negative output voltage range 