Features

• Provides Five Regulated Voltages

- +5V ALWAYS

- +3.3V ALWAYS

- +5V Main

- +3.3V Main

- +12V

• High Efficiency Over Wide Line and Load Range

- Synchronous Buck Converters on Main Outputs

- Hysteretic Operation at Light Load

• No Current-Sense Resistor Required

- Uses MOSFET’s rDS(ON)

- Optional Current-Sense Resistor for More Precision

• Operates Directly From Battery 5.6 to 22V Input

• Input Undervoltage Lock-Out (UVLO)

• Excellent Dynamic Response

- Voltage Feed-Forward and Current-Mode Control

• Monitors Output Voltages

• Synchronous Converters Operate Out of Phase

• Separate Shut-Down Pins for Advanced Configuration and

Power Interface (ACPI) Compatibility

• 300kHz Fixed Switching Frequency on Main Outputs

• Thermal Shut-Down Protection