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Part Number: ACT34

 

 

 

 

Description: The ACT34 belongs to the high performance ActiveSwitcherTM<...


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ACT34 General Description


The ACT34 belongs to the high performance ActiveSwitcherTM family of universal input AC off-line controllers for adapter and battery-charger applications. The ACT34 was optimized for costsensitive applications, and utilizes Active-Semi's patent-pending primary-side feedback to provide accurate, programmable CV/CC operation without the need of an optocoupler or a reference device such as the '431.

The ACT34 utilizes an advanced, proprietary current-mode PWM control architecture that achieves the smallest form-factor and fast transient response yet requires less than 300mW of standby power, surpassing even the latest requirements of the California Energy Commission (CEC), the European Blue Angel, and the US Energy Star Standards.

Additional features include over power protection, and foldback short circuit current limit. The ACT34 is available in a tiny SOT23-6 package.

ACT34 Features

  • Patent-Pending High Efficiency Universal AC Solution
  • Less than 300mW Standby Power
  • 73% Peak Efficiency
  • Exceeds even the Latest CEC, Blue Angel, and Energy Star Requirements
  • Programmable CC/CV Operation
  • Over Power Protection
  • Short Circuit Foldback Current Limit
  • Lowest Total Cost Solution
  • Primary Side Feedback
  • No Optocoupler or '431
  • Fewest Secondary Side Components
  • Supports NPN Emitter Drive for Lowest Total Solution Cost
  • Current Mode PWM Control
  • Very Low Line and Load Regulation
  • 62kHz Switching Frequency
  • No Audible Noise
  • Tiny SOT23-6 Package
  • ACT34 Typical Application

  • Battery Chargers
  • Linear Adapter Replacements
  • RCC Adapter Replacements
  • CEC-Compliant Applications
  • Standby Power Supplies
  • Appliances
  • ACT34 Connection Diagram

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    ACT34 datasheet

    ACT3492
    PDF/DataSheet Download

    • Datasheet: ACT3492
    • File Size: 369083 KB
    • Manufacturer: AEROFLEX [Aeroflex Circuit Technology]
    • Click here to Download

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