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AS1324 Buck Converter

DC-DC step-down converter, 600mA, 1.5MHz

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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.

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

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

Additional Information


The device is ideal for mobile communication devices, laptops and PDAs, ultra-low-power systems, threshold detectors/discriminators, telemetry and remote systems, medical instruments, or any other space-limited application with low power-consumption requirements.