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AS1326 Boost Converter

DC-DC step-up converter high-current 650mA


  • Input 0.7V to 5V
  • Synchronisable switching frequency
  • 96% efficiency


  • All battery chemistries
  • Controlled noise spectrum
  • Long battery life

Product parameters

Input Voltage [V] 0.7 to 5.0
Output Voltage [V] 3.3
Output Current [mA] 650
Efficiency [%] 96
Iq [µA] 65
Architecture Fixed frequency, sync.
fmax [kHz] 1200
Enable/SHDN [/SHDN] Yes
Reset [POK]
Features Synchr. to ext. clock, softstart, fixed output voltage
Package TDFN-10

General Description

The AS1326 is a sychronous boost converter, capable of driving 620mA at 5V. With efficiencies up to 96% the device operates from 0.7V to 5V input to generate 2.5V to 5V output.

This product suits for the following applications:

  • PDAs
  • Personal medical devices
  • Wireless transmitters and receivers
  • Portable video players
  • Any other battery-operated, portable device


Title Category Headline Buy
AS1326EvalKit Application Board Evaluation Kit for AS1326

Technical Documents

Name Type Description Version Language
AS1326_BD000334_1-00.png Block Diagram AS1326 Block Diagram 1-00 English
AS1326_DS000237_1-00.pdf Datasheet Document version 1.05 1-00 English
AS11xx_AS13xx_AS17xx_AS349x_AS36xx_EN000160_1-00.pdf EoL Notification AS11xx_AS13xx_AS17xx_AS349x_AS36xx (issued 2018-Oct) 1-00 English
AS1326_PD000393_1-00.png Other Product Document AS1326EvalKit Image 1-00 English
AS1326_UG000169_1-00.pdf User Guide Evaluation board 1-00 English

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