5 4 3 D E1 + GND E4 1 U1 LT3091EDE VIN VIN -1.5V TO -36V 2 C4 10uF 50V 50CE10BSS C1 10uF 50V X5R 1206 R1 5.1K 0805 5% R12 OPT 1 2 3 4 15 5 _____ SHDN 8 ON 1 2 6 UVLO 3 4 7 OFF 5 6 IN IN IN IN IN OUT OUT OUT OUT ILIM GND SHDN IMONP IMONN SET 14 13 12 11 C2 10uF 50V X5R 1206 E2 R2 49.9K 0805 E5 C3 0.1uF 25V C IMONP E8 E6 VIN R13 OPT IMONP 1 2 3 R9 1.58K IMONN B +3V INPUT 4 OFF ON JP1 2 -1.25V 3 4 -2.5V R4 5 6 -5.0V 49.9k R5 -12V R6 100k E7 8 9 10 -15V 243k R7 12 USER SELECT R8 301k OPT IMONN E3 R10 806 1 2 3 4 5 6 +3V B IMONN ON CABLE DROP COMP JP3 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only CUSTOMER NOTICE NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE 0603, 1%. ALL CAPACITORS ARE 0603 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 APPLICATION. COMPONENT SUBSTITUTION AND PRINTED TITLE: SCHEMATIC CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT -36V, 1.5A NEGATIVE PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A LINEAR REGULATOR WITH PROGRAMMABLE CURRENT LIMIT SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 24.9k 7 11 C R3 1 JP2 VOUT SETTING C5 1uF 10V A GND R11 0 JP4 _____ SHDN D C6 OPT 1206 10 9 VOUT -1.5A MAX 4 3 IC NO. N/A DATE: Thursday, August 27, 2015 2 REV. LT3091EDE DEMO CIRCUIT 2276A 3 SHEET 1 1 OF 1