DK912 - High Precision CC/CV Primary-Side Converter

Description

The DK912 is a primary side flyback type AC-DC Switch Mode Power Controlling IC.

It integrates 700V high voltage power transistor and primary side peak current detecting circuit.

Features

Build-in 700V high voltage power transistor.
85V.
265V AC universal input range allows worldwide operation.
Integrated high voltage constant current starting circuit, no need for additional starting resistance.
Patent Primary Side Regulation control to simplify the circuit.
Patent self-power supply circuit design, no need for auxiliary winding in transformer.
Internal PMW oscillation circuit with Frequency jittering control to keep EMC characteristics.

DongKe Semicondutor

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Datasheet Details

Part number	DK912
Manufacturer	DongKe Semicondutor
File Size	302.61 KB
Description	High Precision CC/CV Primary-Side Converter
Datasheet	DK912 Datasheet
Additional preview pages of the DK912 datasheet.

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Full PDF Text Transcription

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SHENZHEN DONGKE SEMICONDUCTOR CO., LTD PSR CONSTANT CURRENT / VOLTAGE IC-DK912 SPECIFICATION UU 1. DESCRIPTION The DK912 is a primary side flyback type AC-DC Switch Mode Power Controlling IC. It integrates 700V high voltage power transistor and primary side peak current detecting circuit. It also includes Primary Side Constant Current Regulation, Constant Voltage Control, Self-Power supply circuit and Output cable compensation functions. Because of its highly integrated CMOS circuit design, lots of external components are saved, transformer design is simple, only two windings are needed in transformer for isolated circuit designs. 2.

Published: May 26, 2024 |