Asset Publisher

AS3608 Power Management Unit

3x 1A buck DC-DCs


  • OTP programmable boot sequence
  • 3 DC-DCs and 4 LDOs
  • Li-ion charger, backlight boost, and current sinks


  • Flexible and fast adaptation to different processors/applications
  • Multiple independent voltage rails
  • Small PCB area for mobile battery-powered devices

Product parameters

DC-DC Step Up Converters 1x general purpose (voltage or current output, 30V)
DC-DC Step Down Converters 3x1A or 2A + 1A
Special LDOs [mA] 1x100 \ 4x250
Universal LDOs [mA]
Current Sinks [mA] 2x38 (HV)
Charge Pump [V/mA]
Audio DAC [dB SNR]
Audio ADC [dB SNR]
Audio Features
General Purpose ADC [bit] 10
Charger Linear
Customizable Startup Sequences Programmable
Package QFN-36 (6x6)

General Description

The programmable power management unit AS3608 includes: 3x 1A DC-DC step-down converters and 5x low-noise LDOs suitable for RF applications, an LED backlight driver, two current sinks and a Li-ion battery charger in a small QFN 5x5mm package. The fixed 2 MHz switching frequency minimizes PCB footprint by allowing the use of tiny, low-profile inductors.

This product suits for the following applications:

  • PDAs
  • PMPs
  • GPS navigation systems
  • Electronic dictionaries

Technical Documents

Name Type Description Version Language
AS3608_BD000365_1-00.png Block Diagram AS3608 Block Diagram 1-00 English
AS3608_DS000222_1-00.pdf Datasheet Document version 1.03 1-00 English
AS3606_07_08_58_PD000451_1-00.pdf Other Product Document EOL Notification AS3606, AS3607, AS3608, AS3658 (issued 2018-Apr) 1-00 English

Asset Publisher