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LP3773D - Low Standby Power Off-Line PSR Driver

General Description

The LP3773D is a high performance AC/DC power supply controller for battery charger and adapter applications which integrated 850V high voltage BJT.

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

Key Features

  • Suitable for 5V/1.5A.

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Datasheet Details

Part number LP3773D
Manufacturer LANDP
File Size 530.57 KB
Description Low Standby Power Off-Line PSR Driver
Datasheet download datasheet LP3773D Datasheet

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Part Number Description
LP3773 Low-power primary-side feedback controller
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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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LP3773D Low Standby Power Off-Line PSR Driver Description The LP3773D is a high performance AC/DC power supply controller for battery charger and adapter applications which integrated 850V high voltage BJT. The device uses Pulse Frequency Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies. The LP3773D provides accurate constant voltage, constant current (CV/CC) regulation without requiring opto-coupler and the secondary control circuitry. It also eliminates the need of loop compensation circuitry while maintaining good stability. The LP3773D can achieve excellent regulation and high average efficiency which meets no-load consumption less than 75 mW. The LP3773D provides many protections which include OVP ,OTP and output short protection.