General Description
The AP1609 is a high efficient step-up DC/DC converter. Large output current is possible having a built in internal N channel MOSFET, and using an external coil and diode.

FEATUREs
• Input Voltage Range: 2.5~6V
• Output Voltage Range: 3.0~17V (±2.5%)
• PWM/PFM Switching Control
• Oscillator Frequency: 300KHz (±20%)
• High Efficiency: 91% (Typ.)
• Stand-by Current: ISTB 1 = µA (Typ.)
• Built-in internal N-Channel MOS
• Lead-Free and Green Package: SOP-8L
• Lead Free Finish/RoHS Compliant for Lead Free products (Note 1)

APPLICATIONs
• Electronic Information Organizers
• Palmtops
• Cellular and Portable Phones
• Portable Audio Systems
• Various Multi-Function Power Supplies