HX3242

HHXX13020412 High Efficiency, Step-up DC/DC Converter Features  Output Voltage up to 22V  Internal MOSFET with high switch current up to 3A  20μA Quiescent (Switch-off) Supply Current  90% Efficiency  Up to 450KHz Switching Frequency  Using Internal Power Switches  SOP-8L Package Applications  PDA  DSC  LCD Panel  RF-Tags  MP3  Wireless Equipment  Portable Instrument Description The HX3242 is a compact, high efficiency, and low voltage step-up DC/DC converter including an error amplifier, ramp generator, comparator, switch pass element and driver in which providing a stable and high efficient operation over a wide range of load currents. It operates in stable waveforms without external compensation. The low start-up input voltage below 1.6V. The high switching rate minimized the size of external components. Besides, the 20μA low quiescent (Switch-off) current together with high efficiency maintains long battery lifetime. The output voltage ...