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AP3766 Datasheet

Part Number AP3766
Manufacturers BCD Semiconductor
Logo BCD Semiconductor
Description LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER
Datasheet AP3766 DatasheetAP3766 Datasheet (PDF)

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. I.

  AP3766   AP3766






Part Number AP3768
Manufacturers BCD Semiconductor
Logo BCD Semiconductor
Description LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER
Datasheet AP3766 DatasheetAP3768 Datasheet (PDF)

Preliminary Datasheet LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER General Description Features AP3768 The AP3768 is a high performance AC/DC power supply controller for battery charger and adapter applications. The device uses Pulse Frequency Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies. The AP3768 provides accurate constant voltage, constant current (CV/CC) regulation without requiring an opto-coupler and secondary control circuitry..

  AP3766   AP3766







Part Number AP3765
Manufacturers BCD Semiconductor
Logo BCD Semiconductor
Description LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER
Datasheet AP3766 DatasheetAP3765 Datasheet (PDF)

Preliminary Datasheet LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER General Description Features AP3765 The AP3765 is a high performance AC/DC power sup- · Primary Side Control for Rectangular Constant ply controller for battery charger and adapter applica- Current and Constant Voltage Output tions. The device uses Pulse Frequency Modulation · Sub-microampere Start-up Current (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies. · · 30mW No-load Inp.

  AP3766   AP3766







LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER

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. 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 Circuit Protection SOT-23-6 Package Applications · · · LED Drivers Adapters/Chargers for Cell/Cordless Phones, PDAs, MP3 and Other Portable Apparatus Standby and Auxiliary Power Supplies SOT-23-6 Figure 1. Package Type of AP3766 Aug. 2010 Rev. 1. 2 1 BCD Semiconductor .


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