REVISION HISTORY ECO E1 F1 90 - 270VAC 50/60Hz 1A L2 DESCRIPTION APPROVED DATE 2 PRODUCTION WEI G. 01/24/11 750uH B1 3 L REV 4 L1 V1 C1 0.068uF X CAP 2 + - 1 1 C4 0.22uF 4 C2 N 0.1uF 400V D5 T1 R3 3 100k SBR1U150SA 7 1% BAV20W R10 499k 1% R1 100k 1% R11 499k 1% R2 100k 1% Z3 4 D2 2k C10 560uF 35V + C11 560uF 35V R9 4.02k 1% E5 LED- C3 2 2 Z2 + 1 10uF 50V SMBJ170A DCM VIN BAV20W D1 10 11 R12 3.48k 1% + 1 1% D8 CMZ5937B 33V 6 R4 4.99k 1% R7 E4 LED+ 4:1 1 4.7pF 2 C21 R5 20 1% 1 R30 200 2 E2 16 VINSENSE CMR1U-06M 9 FB 12 Q1 R25 14 NC FDPF15N65 GATE 20 1% 4 VREF R18 R19 40.2k 1% 100k 1% R20 16.5k 1% R21 0 15 SENSE 3 CTRL3 INTVCC 2 CTRL2 INTVCC R22 OPT C8 4.7uF Y1 8 CTRL1 COMP- C6 7 COMP+ GND 5 FAULT C7 17 FAULT C20 2200pF 16V 1 FAULT R8 50m 13 CT 2 320VAC 33mH 6 3 HD06 0.1uF 50V U1 LT3799EMSE 0.1uF CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. CONTRACT NO. APPROVALS TECHNOLOGY PCB DES.WEI G. / MI ENG. WEI G. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC OFFLINE ISOLATED FLYBACK LED CONTROLLER WITH PFC SIZE N/A DATE: REV IC NO. LT3799EMSE DEMO CIRCUIT 1595A Wednesday, January 26, 2011 SHEET 1 2 OF 1