LT3500 BLOCK DIAGRAM OUT1V OUT2V D2 C7 C5 R1 R2 D1 R4 L1 C6 R3 BD V 3500 LFB SW FB PG PG LDR SS + + – – + + – Y 100mV 0.7V LFB DRIVER + CIRCUITR 0.8V 115mV 0.8V SS + + – – + Q S R T3500 Block Diagram THERMAL OVERLOAD POWER ON RESET Figure 1. L TION SLOPE COMPENSA Q TOR TOR PRE INTERNAL AND AGC REGULA OSCILLA S R AND REFERENCES 2μA + – 2.5μA + – 2.75μA 0.76V /SYNC IN T C V GND SHDN R V SS 100mV C1 C4 C2 R5 C3 R6 3500fc 9