GENERAL DESCRIPTION
The ADP3026 is a highly efficient dual synchronous buck switching regulator controller optimized for converting the battery or adapter input into the system supply voltages required in notebook computers. The ADP3026 uses a dual-mode PWM/Power Saving Mode architecture to maintain efficiency over a wide load range.

FEATURES
   Wide Input Voltage Range: 6.5 V to 25 V
   High Conversion Efficiency > 96%
   Integrated Current Sense—No External Resistor Required
   Low Shutdown Current: 14 μA (Typical)
   Voltage Mode PWM with Input Feed Forward for Fast
      Line Transient Response
   Dual Synchronous Buck Controllers with PWM/
      Power-Saving Mode Operation
   Built-In Gate Drive Boost Circuit for Driving External
      N-Channel MOSFETs
   Two Fixed Output Voltages: 3.3 V, 5 V
   PWM Frequency: 300 kHz
   Extensive Circuit Protection Functions
   28-Lead TSSOP Package

APPLICATIONS
   Notebook Computers and PDAs
   Portable Instruments
   General Purpose DC-DC Converters