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AP4320 - CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER

General Description

The AP4320 is a highly integrated solution for a constant voltage/constant current mode SMPS application.

The AP4320 contains one 2.5V voltage reference and two operational amplifiers.

Key Features

  • Constant Voltage and Constant Current Control.
  • Low External Component Count.
  • Easy Compensation.
  • Low Supply Current: 190A.
  • Precision Internal Voltage Reference: 2.5V.
  • Operating Supply Voltage: 3.5V to 36V.
  • Low Current Sense Threshold: 30mV/50mV.
  • Totally Lead-free & Fully RoHS Compliant (Note 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3) Pin Assignments (Top View) Pin 1 Mark VSENSE 1 GND 2 VCTRL 3 6 VCC 5 VOUT 4 ICTRL SOT26 (K6 Packag.

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Full PDF Text Transcription (Reference)

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A Product Line of Diodes Incorporated AP4320 CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Description The AP4320 is a highly integrated solution for a constant voltage/constant current mode SMPS application. The AP4320 contains one 2.5V voltage reference and two operational amplifiers. The 2.5V 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. The AP4320 is available in SOT26 package.