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