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AP3125HB - GREEN MODE PWM CONTROLLER

Download the AP3125HB datasheet PDF. This datasheet also covers the AP3125HA variant, as both devices belong to the same green mode pwm controller family and are provided as variant models within a single manufacturer datasheet.

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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📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AP3125HA-Diodes.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Diodes Incorporated

Part Number Description
AP3125HA GREEN MODE PWM CONTROLLER
AP3125A GREEN MODE PWM CONTROLLER
AP3125B GREEN MODE PWM CONTROLLER
AP3125L GREEN MODE PWM CONTROLLER
AP3125R GREEN MODE PWM CONTROLLER

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.

View original datasheet text
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.