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 Package: SOP-8L
• SOP-8L: Available in “Green” Molding Compound (No Br, Sb)
• Lead Free Finish/ RoHS Compliant (Note 1)

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