4 3 D 22uF 63V E2 C2 10uF 50V 1210 C15 0.1uF 0402 R6 OPT SUNCON 63CE22BS EN/UV SYNC R1 100K 5 6 7 4 E6 JP1 E5 SYNC GND C 1 1 2 3 21 2 C7 1uF 25V E9 TR/SS E7 C8 0.1uF L2 1812 WE 74279226101 B VEMI E10 C14 0.1uF 50V 0402 C3 10uF 50V 1210 8 9 10 20 C4 0.1uF 0402 EN/UV SW SW SW SW SW SYNC 15 16 17 18 19 L1 3.3uH IHLP2525EZER3R3M01 INTVCC TR/SS BIAS RT PG PGND PGND PGND FB GND GND GND GND R2 60.4k 700KHz BST 11 12 13 14 GND 3 VIN VIN VIN 0 23 E3 C6 100uF 10V 1210 VOUT 5V / 6A * C9 1uF GND C R3 R4 100K 24 R5 243k 1Meg C5 10pF E8 L3 6.8uH IHLP3232DZER6R8M11 VIN PG C11 OPT B C10 10uF 50V 1210 LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; TECHNOLOGY HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL TITLE: SCHEMATIC APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. NOTES: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE 0603. ALL CAPACITORS ARE 0603. SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 SEE DEMO MANUAL E4 CUSTOMER NOTICE A * VOUT R7 22 NC NC NC NC + C1 D 25 26 27 28 GND E1 1 U1 LT8612EUDE VIN GND VIN 5.8V - 42V 2 29 5 4 3 42V, 6A MICROPOWER SYNCHRONOUS STEP-DOWN REGULATOR REV. LT8612EUDE 3 DEMO CIRCUIT 2010A IC NO. N/A DATE: 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only Wednesday, March 26, 2014 2 SHEET 1 1 OF 1 A