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AN4129 Datasheet - Fairchild Semiconductor

AN4129 - Green Current Mode PWM Controller FAN7601

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 is connected until the soft start is completed

AN4129 Features

* of the FAN7601. This device is a BCDMOS programmable frequency current mode PWM controller which is designed for off-line adapter applications and auxiliary power supplies. To reduce power loss at light and no load, the FAN7601 operates in burst mode and it includes a start-up switch to reduce the l

AN4129_FairchildSemiconductor.pdf

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Datasheet Details

Part number:

AN4129

Manufacturer:

Fairchild Semiconductor

File Size:

512.28 KB

Description:

Green current mode pwm controller fan7601.

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