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SD4872RTR - CURRENT MODE PWM + PFM CONTROLLER

This page provides the datasheet information for the SD4872RTR, a member of the SD4872 CURRENT MODE PWM + PFM CONTROLLER family.

Description

application.

Mode to reduce switching loss and improve efficiency.

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Datasheet preview – SD4872RTR

Datasheet Details

Part number SD4872RTR
Manufacturer Silan Microelectronics
File Size 256.47 KB
Description CURRENT MODE PWM + PFM CONTROLLER
Datasheet download datasheet SD4872RTR Datasheet
Additional preview pages of the SD4872RTR datasheet.

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Full PDF Text Transcription

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Silan Microelectronics SD4872X_Datasheet CURRENT MODE PWM＋PFM CONTROLLER DESCRIPTION SD4872X is a current mode PWM controller IC for high performance, low standby power offline flyback converter application. In no load or light load condition, the IC operates in Light Load Mode to reduce switching loss and improve efficiency. Large startup resistor could be used in the startup circuit to minimize the standby current because of low startup current. SD4872X offers complete protection functions including cycle- by-cycle over current protection, over load protection, over voltage and under voltage protections for VDD voltage, etc. Excellent EMI performance is achieved with frequency shuffling technique and soft switching control at the totem pole gate driver output.
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