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AP1686 - Low-Power Off-line PSR LED Controller

General Description

The AP1686 is a high performance AC/DC power supply controller for LED lighting application.

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

Key Features

  • Primary Side Control for Tight Constant Current and Constant Voltage 30mW No-load Input Power Bipolar Junction Transistor (BJT) Driving Open Circuit Protection Over Voltage Protection Short Circuit Protection SOT-23-6 Package.

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Datasheet Details

Part number AP1686
Manufacturer BCD Semiconductor
File Size 367.88 KB
Description Low-Power Off-line PSR LED Controller
Datasheet download datasheet AP1686 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 PSR LED Controller General Description The AP1686 is a high performance AC/DC power supply controller for LED lighting application. The device uses Pulse Frequency Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies. The AP1686 provides accurate constant voltage, constant current (CV/CC) regulation without requiring an opto-coupler and the secondary control circuitry. It also eliminates the need of loop compensation circuitry while maintaining good stability. The AP1686 can achieve excellent regulation and high average efficiency, yet meets no-load consumption less than 30mW. It also has an adjustable built-in line compensation function to achieve tight CC. The AP1686 is available in SOT-23-6 package.