SI1128 - High Precision CC/CV Primary-Side Controller

Product Overview

SANY Semiconductor

Part number	SI1128
Manufacturer	SANY Semiconductor
File Size	1.60 MB
Description	High Precision CC/CV Primary-Side Controller
Datasheet	SI1128 Datasheet
Additional preview pages of the SI1128 datasheet.

The SI1128 is an excellent primary side feedback controller, which integrates several functions of protections.

It minimizes the components counts and is available in a tiny SOT-26 package.

Those make it an ideal design for low cost applications.

5% Constant Voltage Regulation, 5%Constant Current Regulation at Universal AC input.
Primary-side Sensing and Regulation Without TL431 and Opto-coupler.
Low Start-up Current: 1μA (Typical).
Low Static Current: 300μA (Typical).
Programmable CV and CC Regulation.
Adjustable Constant Current and Output Power Setting.
Built-in Secondary Constant Current Control with Primary Side Feedback.
Peak-Current-Mode Control.
Compensates for transformer inductance.

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Published: Jun 25, 2014 |