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AP3301

Part Number	AP3301
Manufacturer	Diodes
Description	QUASI-RESONANT PWM CONTROLLER
Published	Sep 29, 2016
Detailed Description	NEW PRODUCT AP3301 QUASI-RESONANT PWM CONTROLLER Description Pin Assignments The AP3301 is a peak-current control, Q...
Datasheet	AP3301 PDF File

Overview

NEW PRODUCT AP3301 QUASI-RESONANT PWM CONTROLLER Description Pin Assignments The AP3301 is a peak-current control, Quasi-Resonant (QR) PWM controller which is optimized for high performance, low standby power and cost effective offline flyback converters.
At no load or light load, the IC will enter the burst mode to minimize standby power consumption.
The minimum switching frequency (about 20kHz) is set to avoid the audible noise.
At medium load, the IC will enter valley lock QR mode with frequency foldback to improve system efficiency and EMI performance.
The maximum switching frequency (about 120kHz) is set to clamp the QR frequency to improve efficiency.
At low line input & heavy load...

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