ams AG - global leader in the design and manufacture of high performance analog ICs (integrated circuits)

AS1341 Buck Converter

HV DC-DC step-down converter 20V, 600mA

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The AS1341 is a hysteretic buck converter, capable of driving 600mA at 1.25V to Vin output. With efficiencies up to 96%, the device operates between 4.5V to 20V input

Key Features

  • Input 4.5V to 20V with 12uA quiescent current
  • 600mA @ 1.25V to Vin
  • Power good signal

Key Benefits

  • Industrial supply range
  • Flexible power rails
  • Supervisor function included

Product Facts

Input voltage [V] 4.5 to 20
Output voltage [V] 1.25 to Vin
Output current [mA] 600
Efficiency [%] 96
Iq [µA] 12
Architecture Hysteretic, async
fmax [kHz] <250
Enable/SHDN [ ]
Reset [POK]
Features 100% duty cycle, fixed 5.0V output voltage, in adjustable variant adjustable in whole range
Package TDFN-8 (3x3)

Additional Information


The device is ideal for notebook computers, distributed power systems, keep-alive supplies, and any other battery-operated, portable device.