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LAF0001 - Green Current Mode PWM Controller

General Description

The FAN7601 is a green programmable frequency current mode PWM controller.

It is specially designed for the off-line adapter application and the auxiliary power supplies which require high efficiency at a light load and no load.

Key Features

  • Green Current Mode PWM Control.
  • Low Operating Current: Max 4mA.
  • Burst Mode Operation.
  • Internal High Voltage Start-up Switch.
  • Under Voltage Lockout (UVLO): 12V/8V.
  • Latch Protection & Soft Start Function.
  • Over Voltage Protection: 19V.
  • Operating Frequency up to 300kHz.
  • Max Duty Cycle: 95% Typical.

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Full PDF Text Transcription (Reference)

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FAN7601 Green Current Mode PWM Controller www.fairchildsemi.com Features • Green Current Mode PWM Control • Low Operating Current: Max 4mA • Burst Mode Operation • Internal High Voltage Start-up Switch • Under Voltage Lockout (UVLO): 12V/8V • Latch Protection & Soft Start Function • Over Voltage Protection: 19V • Operating Frequency up to 300kHz • Max Duty Cycle: 95% Typical Applications • Off-Line Adapter Applications • Auxiliary Power Supplies Description The FAN7601 is a green programmable frequency current mode PWM controller. It is specially designed for the off-line adapter application and the auxiliary power supplies which require high efficiency at a light load and no load. The internal high voltage start-up switch and the burst mode reduce the power loss.