5 4 3 2 1 REVISION HISTORY DESCRIPTION APPROVED ECO REV 1 - PRODUCTION DATE GEORGE Q. Apr 08, 2013 HS2 D L3 150uH F1 3.15A J1 L N 1 2 L1 10mH 4 L2 10mH 3 V1 385VAC 1 2 C1 0.47uF 310V 4 D D1 D3 3 1N4005 1 1N4005 C20 D4 2.2nF D2 2 90 - 305VAC 1N4005 1N4005 C2 0.47uF 450V R5 20 D8 SBR10U300CT T1 750811351 R3 100k C21 4.7pF LED- 6 13 7 R7 2k D5 BAV20W R10 499k 1206 C 4 + C13 2.2nF 630V 3 10 VINSENSE FB NC GATE VREF 9 Q1 14 SENSE COMPCOMP+ R25 SPP17N80C3 D10 OPT C14 OPT 1206 C8 4.7uF 16V R8 15m 1% 1206 HS1 8 7 C6 10nF GND U1 LT3799EMSE-1 17 CT FAULT CUSTOMER NOTICE CONTRACT NO. 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. APPROVALS PCB DES. ENG. G. QIAN 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 THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 3 TECHNOLOGY MI/RB C:\PADS PROJECTS\1816B\SCH\1816B_00_REV1.DSN 4 B CTRL1 6 5 13 CTRL2 C7 0.1uF 5 C INTVCC R22 OPT 0603 1 A LED- R13 OPT 1206 15 CTRL3 R21 0 2 FAULT CMR1U-02M CMR1U-10M INTVCC FAULT - J2 SMCJ220CA 17.8 R20 16.9k + 2 D7 DCM BAV20W 4 B 3A/36V 1 Z4 R6 200k 2512 22uF 35V D6 12 R19 40.2k R9 10k 1% 1206 10 16 R18 100k + 2 VIN R12 3.09k + D9 9 11 R2 249k 1206 Z3 SMCJ40A 8 R1 249k 1206 C9 C10 C11 1000uF 1000uF 10uF 63V 63V 100V Z2 SMBJ130A 12 R4 4.32k C3 R11 499k 1206 LED+ 14 DATE: 2 IC NO. REV LT3799EMSE-1 DEMO CIRCUIT 1816B Apr 08, 2013 1 SHEET 1 1 OF 1 A