E1 C1 2.2uF 100V 1 R3 232K R4 L1-1 47uH 3 + CIN1 10uF 100V GND E2 20K E5 U1 LT3758AEMSE 1 ON OFF 1 2 C12 100pF R6 30.9K C11 4.7nF 4 R7 42.2K C13 5 3 VIN VC INTVcc C10 4.7uF 10V FBX RT GATE SYNC SS SENSE SYNC 4.7uF 100V PDS3100 8 7 L1-2 Q1 47uH FDMS2572 4 6 4 E3 2 + C3 22uF 35V + C4 22uF 35V VOUT 24V @ 1.0A C5 3.3uF 25V GND E4 11 0.1uF SHDN/UVLO 10 5 6 7 8 9 D1 1 2 3 2 3 JP1 RUN C7 GND VCC VIN 18V - 72V R5 0.02 1W R1 280K 1% E6 R8 10K R2 20.0K 1% GND E7 CUSTOMER NOTICE CONTRACT NO. LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A APPROVALS CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO DRAWN J. Wu VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL ENGINEER APPLICATION. COMPONENT SUBSTITUTION AND PRINTED W. Gu CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT CHECKED PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. DATE 2/28/13 TECHNOLOGY TITLE 2/28/13 LT3758AEMSE High Efficiency SEPIC Converter SIZE CAGE CODE APPROVED THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. Thursday, February 28, 2013 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 SCALE: FILENAME: DWG NO REV DC1342B SHEET 1 1 OF 1