General Descriptions
   The AP1604 series are multi-functional step-down DC/DC converters with built-in speed, low ON resistance drivers. It is capable to deliver more than 800mA output current with external coil, diode and capacitor.

FEATUREs
- Input voltage range: 2.2V~5.5V (VOUT type)
- Oscillator frequency: 600KHz (Typ.)
- Internal reference: 1.0V (Typ.)
- High efficiency: 93% (Typ .)
- Stand-by capability: ISTB=2µA. (Typ.)
- Soft-start time set-up externally type possible
- Current limit and thermal shutdown protection
- Pb-Free Package: SOT23-5, SON-6(3×3×0.8mm)

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