5 4 3 2 1 REVISION HISTORY ECO __ REV 1 DESCRIPTION PRODUCTION APPROVED DATE CUYLER L. 06-02-14 D D IN 2.7V-60V E1 R1 0 R4 100 8 C3 OPT 3 VLOGIC INC2 INC1 9 2 EXT C 10 R8 OPT 7 R7 2K 6 SENSEHI SENSELO V+ LE OUTA INC2 OUTC2 U1 INC1 * OUTC1 V- R5 115K 1206 1 2 1 V+ C2 0.1uF JP1 3 SW1 C1 0.1uF 4 2 1 V+ E4 5 R13 0 1206 R6 R3 10K 10K OUTA E6 C E5 OUTC2 E7 R10 6.65K E9 OUT 4A MAX E2 R2 0.1 Ohm 2512 OUTC1 E11 R12 OPT R11 1.33K LE E3 GND E8 E10 * B ASSY -A -B NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS AND CAPACITORS ARE 0603 B U1 LT6119-1 LT6119-2 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. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A TECHNOLOGY AK CUYLER L. TITLE: SCHEMATIC SIZE 5 4 PRECISION CURRENT SENSE WITH COMPARATORS AND REFERENCE IC NO. SCALE = NONE 3 DATE: Monday, June 02, 2014 2 A REV. LT6119IMS DEMO CIRCUIT 2261A N/A THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only 1 SHEET 1 1 OF 1