5 4 3 2 1 REVISION HISTORY ECO REV 2 __ DESCRIPTION PRODUCTION APPROVED DATE CUYLER L. 03-12-14 D IN 2.7V-60V E2 E1 V+ R2 2512 0.1 Ohm R4 100 1 E4 1 V+ 3 JP1 VLOGIC E5 INC LE R5 115K 1206 R6 10K C1 0.1uF SW1 SENSE+ LE 3 OUTC 4 V- V+ U1 LT6118 OUTA INC 8 C2 0.1uF 7 6 C3 OPT 5 2 EXT C 2 1 2 SENSE- R1 0 R3 0 R7 1.69K R8 OPT E6 E7 E9 D OUT 4A MAX OUTA 2.5V@1A C OUTC R9 809 E3 E8 B GND B NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN OHMS, 0603 2. ALL CAPACITORS ARE IN MICROFARADS, 0603 CUSTOMER NOTICE APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. AK VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. CUYLER L. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A TECHNOLOGY TITLE: SCHEMATIC SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 N/A SCALE = NONE 3 DATE: IC NO. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only PRECISION CURRENT SENSE WITH COMPARATOR AND REFERENCE REV. LT6118IMS8 DEMO CIRCUIT 2193A Wednesday, March 12, 2014 2 A 2 SHEET 1 1 OF 1