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NCP4326 Datasheet - ON Semiconductor

NCP4326_ONSemiconductor.pdf

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Datasheet Details

Part number:

NCP4326

Manufacturer:

ON Semiconductor ↗

File Size:

449.49 KB

Description:

Secondary controller.

NCP4326, Secondary Controller

Pin No.

Symbol Type Description 1 CP1 Error Amplifier This pin is the output of the error amplifier 1 (monitoring the secondary voltage #1) and is Output 1 available for loop compensation purpose.

2 FB1 Voltage This is the inverting input of the error amplifier 1.

It is connected to the sec

NCP4326 Secondary Controller for Multi-Output Quasi-Resonant Switchmode Power Supplies This secondary controller significantly improves the overall efficiency and cross regulation figures when used in a Switchmode Power Supply.

Compared to traditional regulation schemes, the NCP4326 provides superior performance in cross regulation by individually regulating outputs.

Powered from a main winding, the device actuates two independent switches that precisely adjust the considered ou

NCP4326 Features

* 0% to 100% Duty Cycle Range

* Integrated Shunt Regulator for Optocoupler Control

* Internal Voltage Reference (1.25 V, 1% @ 25°C)

* 2 Independent Power MOSFET Drivers

* Enable/Disable for Each Driver

* Independent Soft

* Starts on both Output D

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