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AP3108L - HIGH-PERFORMANCE GREEN MODE PWM CONTROLLER

General Description

The AP3108L is a Current Mode PWM controller specially designed for offline power supply that requires ultra-low standby power, highpower density and comprehensive protection.

Key Features

  • Current Mode Control.
  • High-Voltage Startup.
  • Embedded VCC LDO to Guarantee Wide Range Output Voltage.
  • Constant, Low Output Current in Output Short Situation.
  • Low VCC Charge Current Reduces Standby Power in Output Short Situation.
  • Non-Audible-Noise Green-Mode Control.
  • Internal Slope Compensation.
  • Soft Start During Startup Process.
  • Frequency Fold Back for High Average Efficiency.
  • Constant Over Current Protection(COCP).
  • VCC Maintain Mode.

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Full PDF Text Transcription for AP3108L (Reference)

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AP3108L HIGH-PERFORMANCE GREEN MODE PWM CONTROLLER Description The AP3108L is a Current Mode PWM controller specially designed for offline power supply that requires ultr...

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troller specially designed for offline power supply that requires ultra-low standby power, highpower density and comprehensive protection. The AP3108L coordinating with Diodes’ secondary side controller, such as the AP4320, can be applied in the situation that requires for constant CC and constant CV. The maximum switching frequency of the AP3108L is set at 65kHZ. The switching frequency can be modulated through green mode, in which it will smoothly decrease along with the decreasing load. This will cause the minimum switching frequency to be clamped at about 22kHz to avoid audible noise.