5 4 3 2 1 REVISION HISTORY VOUT RPWRGD JP2 2 1 4 3 6 5 8 7 10 9 12 11 VOUT 10K R17 2 4 6 8 10 12 1.5V R15 19.1K 3.3V R14 51.1K HD2X6-079 5V R13 82.5K VOUT JP1 1 3 5 7 9 11 1.2V R16 13.7K R7 16.2K R8 22.1K R9 HD2X6-079 USER SELECT R10 90.9K RPWRGD U1 LT3086EFE 10 C5 10uF 50V C1 10uF 50V 1210 SHDN E7 11 R1 100K 12 OPT IN OUT PRODUCTION EDWIN L. 10-29-13 1V D 1.5V 3.3V R20 57.6K 5V 1.1K USER SELECT SET IN OUT SHDN SET 13 TEMP RPWRGD R2 OPT TRACK 7 3 R4 OPT 4 R23 OPT 1. ALL RESISTORS ARE IN OHMS, 0603. ALL CAPACITORS ARE IN MICROFARADS, 0603. 2. REMOVE JP3 JUMPER WHEN USING CDC OR FOR SLAVES WHEN USING TRACK. C3 10nF R22 OPT 0805 VOUT ADJ. / 2.1A MAX E6 GND JP3 OPT SET RPWRGD E8 TRACK E9 15 PWRGD B R12 VOUT 100k 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. TECHNOLOGY LT EDWIN L. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 3 A 40V / 2.1A ADJUSTABLE LDO WITH MONITORING AND CABLE DROP COMPENSATION IC NO. DATE: REV. LT3086EFE N/A SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC SIZE 4 C2 22uF 16V 1206 14 CUSTOMER NOTICE NOTES: UNLESS OTHERWISE SPECIFIED CSET 2 1 R11 5 GND GND GND PWRGD 9 C4 OPT GND GND R3 357 1 R19 OPT IMON / ILIM 17 2 IMON / ILIM 8 E4 E5 6 16 E3 5 2 C R21 TEMP A DATE VOUT CDC B APPROVED OPT C + DESCRIPTION R6 12.1K 1.2V OPT VIN E1 1.55V - 40V GND E2 REV _ R5 1V R18 D ECO 2 DEMO CIRCUIT 1729A Tuesday, October 29, 2013 SHEET 1 2 1 OF 1