General Descriptions
   The AP1624 is multi-functional step-up DC/DC controllers. Large output current is possible using an externally connected N channel MOSFET, coil, and diode.

FEATUREs
- Input Voltage Range: 0.9~6V
- PWM/PFM Switching Control
- High Efficiency: 90%
- Oscillator Frequency: 300kHz（±15%）
- Stand-by Current: ISTB=3µA.（ Typ.）
- Pb-Free Package: SOT23-5

APPLICATIONs
- Electronic Information Organizers
- Palmtops
- Cellular and portable phones
- Portable Audio Systems
- Various Multi-function Power Supplies