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AS1324 Buck Converter

DC-DC Step-Down Converter, 600mA, 1.5MHz

The AS1324 is a synchronous buck converter, capable of driving 600mA at 0.6V to 5.5V output. With efficiencies up to 96%, the device operates from 2.7 to 5.5V input.

Block diagram of the AS1324 Buck Converter

Key Features

  • Input 2.7V to 5.5V with 30uA quiescent current
  • 600mA @ 0.6V to 5.5V
  • 96% efficiency

Key Benefits

  • Li Ion applications
  • Ideal for processor core supply
  • Long battery life

AS1324 Applications

  • Mobile Communication Devices
  • Laptops and PDAs
  • Ultra Low Power Systems
  • Threshold Detectors/Discriminators
  • Telemetry and Remote Systems
  • Medical Instruments
  • Space Limited Applications with Low Power Consumption Requirements

AS1324 Product Facts

Input voltage [V] 2.7 to 5.5
Output voltage [V] 0.6 to Vin
Output current [mA] 600
Efficiency [%] 96
Iq [μA] 35
Architecture fixed frequency, sync.
fmax [kHz] 1500
Enable/SHDN [ ]
Reset [POK]
Features Fixed 1.2V, 1.5V or 1.8V output voltage, in adjustable variant adjustable in whole range
Package TSOT23-5