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AN4129 Datasheet Green Current Mode Pwm Controller Fan7601

Manufacturer: Fairchild (now onsemi)

Overview: .. .fairchildsemi. Application Note AN4129 Green Current Mode PWM Controller FAN7601 1.

General Description

1.

Start-up Circuit And Reference The FAN7601 contains a start-up switch to reduce power loss in the external start-up circuit of conventional PWM converters.

The internal start-up circuit charges the Vcc capacitor with a 1mA current source if the line

Key Features

  • of the FAN7601. This device is a BCDMOS programmable frequency current mode PWM controller which is designed for off-line adapter.

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