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