Diodes Incorporated
SO 8

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details.

Back to Boost/Buck Converter


Contact Sales

Log in or register to manage email notifications about changes to datasheets or PCNs for this part.


The AZ34063U is a monolithic switching regulator control circuit which contains the primary functions required for DC-DC converters. This device consists of internal temperature compensated reference, voltage comparator, control°C duty cycle oscillator with active current limit circuit, driver and high current output switch. The AZ34063U is specifically designed as a general DC-DC converter to be used in Step-Down, Step-Up and Voltage-Inverting applications with a minimum number of external components.


  • Operation from 3.0V to 36V Input
  • Low Standby Current
  • Current Limiting
  • Output Switch Current to 1.5A
  • Output Voltage Adjustable
  • Operation Frequency up to 180kHz
  • Precision 2% Reference
  • Application(s)

    · Battery Chargers · ADSL Modems · Hubs · Negative Voltage Power Supplies

    Product Specifications

    Product Parameters

    MinimumInput Voltage (V) 3 V
    MaximumInput Voltage (V) 36 V
    Output Voltage (V) 1.25 to VCC ADJ V
    Switch Current (A) 1.5 A
    Frequency Typ (Hz) 180k ADJ Hz
    VREF Accuracy (%) 2 %
    Type Buck/ Boost/ Inverter

    Related Content


    Technical Documents

    Recommended Soldering Techniques


    Product Change Notices (PCNs)

    A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

    PCN # Issue Date Implementation Date Subject
    PCN-2514 2021-03-09 2021-06-09 Additional Wafer Source JKFAB