LT3825 FLYBACK FEEDBACK AMPLIFIER V T1 FLBK FLYBACK R1 LT3825 FEEDBACK AMP • FB 8 – V 1V C 9 R2 V V FB + IN C • – 1.237V + VC PRIMARY SECONDARY C ISOLATED OUT OUTPUT • COLLAPSE MP DETECT MS R ENABLE S Q 3825 FFA TIMING DIAGRAM VFLBK PRIMARY SIDE V 0.8 • VFLBK MOSFET DRAIN IN VOLTAGE PG VOLTAGE SG VOLTAGE 3825 TD tON(MIN) MIN ENABLE PG DELAY ENABLE DELAY FEEDBACK AMPLIFIER ENABLED 3825fe 9 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Related Parts