VEE C1 OPT E4 LED1 E7 E5 C2 OPT LED2 E6 3V-48V E10 2 JP2 SHORT D1 OPT OPEN 1 2 LT3003EMSE LED1 VEE 10 2 LED2 SHDN 9 3 LED3 OT2 8 OT1 7 PWM 6 4 VMAX 5 VIN E13 E15 SHORT to SHDN JP1 E11 1 3V-6V R4 OPT OT1 OPEN 3 VLOGIC R2 OPT VIN R3 OPT 2 3 PWM VIN VIN 3V-40V 1 1 GND VMAX E9 11 E8 SHDN OT2 U1 LED3 36V MAX C3 1uF 50V E12 R1 1M GND E14 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 DATE DRAWN Antonina Karpova 10/26/05 CHECKED APPROVED ENGINEER Keith Szolusha 10/26/05 DESIGNER Thursday, August 10, 2006 TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 TITLE LT3003EMSE, Three Channel LED Ballaster with PWM SIZE CAGE CODE SCALE: FILENAME: DWG NO REV DC994A SHEET A 1 OF 1