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AP3766 - LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER

General Description

The AP3766 is a high performance AC/DC power supply controller for LED drivers, battery charger and adapter applications.

The device uses Pulse Frequency Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies.

Key Features

  • Primary Side Control for Rectangular Constant Current and Constant Voltage Output Sub-microampere Start-up Current 30mW No-load Input Power Feasible Tight CC Regulation Performance Eliminates Opto-coupler and Secondary CV/CC Control Circuitry Eliminates Control Loop Compensation Circuitry Flyback Topology in DCM Operation Random Frequency Modulation to Reduce System EMI Built-in Soft Start Open Feedback Protection Short Circ.

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Datasheet Details

Part number AP3766
Manufacturer BCD Semiconductor
File Size 308.05 KB
Description LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER
Datasheet download datasheet AP3766 Datasheet

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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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Preliminary Datasheet LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER AP3766 General Description The AP3766 is a high performance AC/DC power supply controller for LED drivers, battery charger and adapter applications. The device uses Pulse Frequency Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies. The AP3766 provides accurate constant voltage, constant current (CV/CC) regulation while removing the opto-coupler and secondary control circuitry. It also eliminates the need of loop compensation circuitry while maintaining stability. The AP3766 achieves excellent regulation and high average efficiency, yet meets the requirement for no-load consumption less than 30mW. The AP3766 is available in SOT-23-6 package.