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AP4312Q - CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER

General Description

AP4312Q is an Automotive Grade product that is AEC-Q100 grade 1 qualified.

It is a highly integrated solution for the constant voltage/constant current mode SMPS application and linear DC/DC regulator (used in Automotive application).

Key Features

  • Constant Voltage and Constant Current Control.
  • Precision Internal Voltage Reference.
  • Low External Component Count.
  • Easy Compensation.
  • Low Supply Current: 180A.
  • Current Control Loop Reference: 70mV.
  • Operating Supply Voltage: 1.7V to 18V.
  • Totally Lead-free & Fully RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2.

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NEW PRODUCT AP4312Q CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Description AP4312Q is an Automotive Grade product that is AEC-Q100 grade 1 qualified. It is a highly integrated solution for the constant voltage/constant current mode SMPS application and linear DC/DC regulator (used in Automotive application). Pin Assignments (Top View) Pin 1 Mark The AP4312Q contains one 1.21V voltage reference, one low voltage reference used in current sensing circuit and two operational amplifiers. The 1.21V voltage reference, combined with one operational amplifier, makes of an ideal voltage controller for use in adapters and battery chargers. The low voltage reference, combined with another operational amplifier, makes of an ideal current limiter for output low side current sensing.