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SFL668 Dataheets PDF



Part Number SFL668
Manufacturers SiFirst
Logo SiFirst
Description High Precision AC/DC PSR Controller
Datasheet SFL668 DatasheetSFL668 Datasheet (PDF)

Softwin swAides SFL668 High Precision AC/DC PSR Controller for LED Driver FEATURES ◆ Primary Side Regulation (PSR) Control, No Secondary Feedback Circuit Required ◆ 1% Precision (@Tj=25 ℃) Internal Reference Voltage for Constant Current (CC) Control ◆ Wide VDD Range (10 to 30V) Eases Flexible LED System Design ◆ Precision LED Output Voltage Clamp ◆ Compensate for Line Voltage Variation and Transformer Inductance Tolerance ◆ Built-in Soft Start ◆ All Pins Floating Protection ◆ LED Open/Short Ci.

  SFL668   SFL668



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Softwin swAides SFL668 High Precision AC/DC PSR Controller for LED Driver FEATURES ◆ Primary Side Regulation (PSR) Control, No Secondary Feedback Circuit Required ◆ 1% Precision (@Tj=25 ℃) Internal Reference Voltage for Constant Current (CC) Control ◆ Wide VDD Range (10 to 30V) Eases Flexible LED System Design ◆ Precision LED Output Voltage Clamp ◆ Compensate for Line Voltage Variation and Transformer Inductance Tolerance ◆ Built-in Soft Start ◆ All Pins Floating Protection ◆ LED Open/Short Circuit Protection ◆ PFM Control Eases EMI Design ◆ Cycle-by-Cycle Current Limiting ◆ Built-in Leading Edge Blanking (LEB) ◆ VDD Under Voltage Lockout (UVLO) ◆ Output Over Voltage Protection ◆ VDD OVP & Clamp APPLICATIONS ◆ LED Luminaries ◆ LED Tube Light ◆ LED PAR30/PAR38, Down Light ◆ GU10/E27 LED Bulb, Spot Light GENERAL DESCRIPTION SFL668 is a high precision AC/DC offline PSR (Primary Side Regulation) controller for LED luminaries. The IC can provide very.


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