General Descriptions
The AP1609 is 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＝ 1µA.（ Typ.）
- Built-in internal N-Channel MOS
- Pb-Free Package: SOP-8L/TSSOP-8L

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