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The AP34063 Series is a monolithic control circuit containing the primary functions required for DC-to-DC converters. These devices consist of an internal temperature compensated reference, comparator, control°C duty cycle oscillator with an active current limit circuit, driver and high current output switch. This series is specifically designed for incorporating in Step-Down and Step-Up and Voltage-Inverting applications with a minimum number of external components.


  • Operation from 3.0V to 40V Input
  • Low Standby Current
  • Current Limiting
  • Output Switch Current to 1.6A
  • Output Voltage Adjustable
  • Frequency Operation to 100 kHz
  • Precision 2% Reference
  • Lead Free packages: SO-8 and PDIP-8L
  • SO-8: Available in “Green” Molding Compound (No Br, Sb)
  • Lead Free Finish/RoHS Compliant

Product Specifications

Product Parameters

Minimum Input Voltage 3 V
Maximum Input Voltage 40 V
Output Voltage 1.25 to VCC ADJ V
Switch Current 1.6 A
Frequency Typ 100k ADJ Hz
VREF Accuracy 2 %
Type Buck/ Boost/ Inverter

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Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP34063S8G-13 Arrow Electronics 2493 3/22/2018 Buy Now Americas
AP34063S8G-13 Arrow Electronics 1993 3/22/2018 Buy Now Americas
AP34063S8G-13 Future Electronics 2500 3/21/2018 Buy Now Americas
AP34063S8G-13 Future Electronics - Europe 2500 3/21/2018 Buy Now Europe, Middle East, Africa
AP34063S8G-13 Mouser Electronics Inc. 2450 3/21/2018 Buy Now Americas
AP34063S8G-13 Digi-Key Electronics 3675 3/21/2018 Buy Now Americas