5 4 RUN 3 2 1 VIN VOUT3 3 ON 2 OFF 1 VOUT1 R1 2.2M JP1 L1 1.5uH D C1 10uF,6.3V C3 3 ON R5 2.2M C4 10uF/10V VOUT2 PG R10 100K PGOOD1 E7 SYNC SW3 VOUT3 L3 1.5uH C10 10pF E11 * R11 0 [email protected] C9 1uF E8 R13 301K GND B 1 Pulse Skip R17 Burst * 4 JP4 VERSION Table DC1193A-A DC1193A-B LTC3545EUD LTC3545EUD-1 JP4 4 pin header do not install E12 turret, 0.64 do not install E13 do not install turret, 0.64 R15 0 Ohm do not install R16 do not install 100K R17 do not install 0 Ohm R19 2.2M do not install 4 * 3 Sync * R15 2 * * CUSTOMER NOTICE 3 SYNC * E12 R19 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. 5 E6 R14 200K SYNC / MODE R16 * C8 10uF,6.3V E9 GND E10 A 9 VIN PGOOD2 E13 13 14 PGOOD2 C R8 226K C11 10uF/10V R12 100K PGOOD3 VFB1 10 VIN VIN 2.25V - 5.5V B 15 RUN3 17 * VIN RUN2 E4 8 U1 R18 OPT 11 PVIN 4 R9 2.2M VFB3 PGND 1 JP3 PGOOD1 7 3 SW2 2 2 [email protected] C6 1uF R7 226K 10pF VFB2 6 OFF 3 E3 R6 0 GND SW1 GND ON C5 10uF,6.3V C7 12 5 1 VOUT2 RUN1 VIN RUN C GNDA 16 L2 1.5uH E5 E2 VIN 1 JP2 VIN D GND R4 255K 2 OFF [email protected] C2 1uF R3 511K 10pF VIN RUN VOUT1 E1 R2 0 CONTRACT NO. APPROVALS DATE DRAWN Antonina Karpova 11/21/06 CHECKED TECHNOLOGY TITLE DESIGNER Monday, October 22, 2007 TRIPLE DC/DC CONVERTER SIZE CAGE CODE SCALE: 2 A LTC3545EUD APPROVED ENGINEER Victor Khasiev 11/21/06 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 FILENAME: DWG NO REV DC1193A SHEET 1 3 1 OF 1