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AP4312 - CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER

General Description

The AP4312 is a highly integrated solution for a constant voltage/constant current mode SMPS application.

The AP4312 contains one 1.21V voltage reference, one low voltage reference used in current sensing circuit and two operational amplifiers.

Key Features

  • Adapters.
  • Battery Chargers.
  • 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 (Note 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (Ro.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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A Product Line of Diodes Incorporated AP4312 CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Description The AP4312 is a highly integrated solution for a constant voltage/constant current mode SMPS application. The AP4312 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.