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AS1302 Boost Converter

Inductorless boost converter, lowest power, 5V/30mA


  • Inductorless
  • 90% efficiency


  • Low cost BOM
  • Long battery life

Product parameters

Input Voltage [V] 2.9 to 5.15
Output Voltage [V] 5.0
Output Current [mA] 30
Efficiency [%] 90
Iq [µA] 100
Architecture Charge Pump
fmax [kHz] 1200
Enable/SHDN [/SHDN] Yes
Reset [POK]
Features Inductorless, fixed output voltage
Package WL-CSP-8 (1.2x1.2mm) \ TDFN(3x3)-10

General Description

The AS1302 is a 30mA inductorless boost converter with up to 90% efficiency. Designed to work off 2.9V to 5.15V input, the device generates a stable 5V rail. Integrated soft start feature limits in-rush currents.

Not Recommended for New Designs
ams AG is discontinuing production of this device. Final lifetime buy order must be placed by June 30, 2021. Please contact your local sales representative for further information.

This product suits for the following applications:

  • Two or three AA cells or a single Li-ion battery cell to 5V conversion
  • Mobile phones
  • Portable instruments
  • Microprocessor based systems
  • Remote data-acquisition systems


Title Category Headline Buy
AS1302EvalKit Application Board Evaluation Kit for AS1302

Technical Documents

Type Description Language
Datasheet Document version 1.03 English


Type Description Language
EoL Notification AS1xxx, AS25xx, AS3xxx, AS73211, AS89020, SL900A, TMD4704 (issued 2020-Dec) English

Other Information

Type Description Language
Block Diagram AS1302 Block Diagram English
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