BCD Semiconductor Manufacturing Limited AP1680
The AP1680 is a high performance AC/DC power sup- · Primary Side Control for Rectangular Constant ply controller for LED drivers, battery charger and Current and Constant Voltage Output adapter applications. The device uses Pulse Frequency · Sub-microampere Start-up Current Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies. It also · Eliminates Control Loop Compensation Circuitry eliminates the need of loop compensation circuitry · Flyback Topology in DCM Operation while maintaining stability.| Part No. | AP1680 |
|---|---|
| Datasheet | AP1680 Download |
| Manufacturer |  BCD Semiconductor Manufacturing Limited |
| Description | LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER |
| Buy | Stock & Price |
GENERAL DESCRIPTION
FEATURES
AP1680●
● 30mW No-load Input Power Feasible Tight CC Regulation Performance The AP1680 provides accurate constant voltage, constant current (CV/CC) regulation while removing the
● Eliminates Opto-coupler and Secondary CV/CC Control Circuitry opto-coupler and secondary control circuitry. The AP1680 achieves
● Random Frequency Modulation to Reduce excellent regulation and high average efficiency, yet System EMI meets the requirement for no-load consumption less
● Built-in Soft Start than 30mW.
● Open Feedback Protection The AP1680 is available in SOT-23-6 package.
● 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 Apr. 2011 Rev. 1. 0 SOT-23-6 Figure 1. Package Type of AP1680 BCD Semiconductor Manufacturing Limited 1 Preliminary Datasheet LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER Pin Configuration AP1680 K6 Package (SOT-23-6) Pin 1 Dot by Marking OUT 1 GND 2 VCC 3 6 FB 5 GND 4 CS Figure 2.
