SN57, SN57-On Datasheet - On-Bright Electronics

SN57, SN57-On, High Precision CC/CV Primary-Side PWM Power Switch

SN57 High Precision CC/CV Primary-Side PWM Power Switch GENERAL .
SN57 is a high performance offline PSR power switch for low power AC/DC charger and adapter applications.

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SN57-On-Bright Electronics.pdf

SN57 Datasheet Preview — This datasheet PDF includes multiple part numbers: SN57, SN57-On. Please refer to the document for exact specifications by model.

Datasheet Details

Part number:

SN57, SN57-On

Manufacturer:

On-Bright Electronics

File Size:

827.88 KB

Description:

High Precision CC/CV Primary-Side PWM Power Switch

Note:

This datasheet PDF includes multiple part numbers: SN57, SN57-On.
Please refer to the document for exact specifications by model.

Features

* including Cycle-by-Cycle current limiting, VDD over voltage protection, short circuit protection, built-in leading edge blanking, VDD under voltage lockout (UVLO), OTP etc. SN57 is offered in SOP8 package. FEATURES
* Primary-side sensing and regulation without TL431 and opto-coupler
* High

Applications

* It operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated. Proprietary Constant Voltage (CV) and Constant Current (CC) control is integrated as shown in the figure below. In CC control, the current and output power setting can be adjusted externall

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