SI1128 High Precision CC/CV Primary-Side Controller FEATURES ◆ 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 tolerances ◆ Compensates for cable voltage drop ◆ Built-in Leading Edge Blanking (LEB) ◆ Cycle-by-Cycle Current Limiting ◆ VDD Under-Voltage lockout (UVLO) ◆ VDD Over-Voltage ...

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