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AP3125HA - GREEN MODE PWM CONTROLLER

General Description

The AP3125HA/HB is a current mode PWM controller which is optimized for high performance, low standby power and cost effective offline flyback converters.

The PWM switching frequency at normal operation is internally fixed (about 100kHz).

Key Features

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Other Datasheets by Diodes Incorporated

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AP3125HB GREEN MODE PWM CONTROLLER
AP3125A GREEN MODE PWM CONTROLLER
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NEW PRODUCT A Product Line of Diodes Incorporated AP3125HA/HB GREEN MODE PWM CONTROLLER Description Pin Assignments The AP3125HA/HB is a current mode PWM controller which is optimized for high performance, low standby power and cost effective offline flyback converters. The PWM switching frequency at normal operation is internally fixed (about 100kHz). In middle load, the IC will enter green mode to improve system efficiency with the help of frequency foldback. A minimum switching frequency (about 20kHz) is set to avoid the audible noise. In no load or light load, the IC will enter the burst mode to minimize standby power. Furthermore, the frequency dithering function is built-in to reduce EMI emission.