1 2 3 4 5 REVISION HISTORY ECO REV __ A VIN1 18V MAX DESCRIPTION APPROVED DATE 1ST PROTOTYPE VLADIMIR O. 12-09-11 M1 Si4126DY J1 VIN1 E1 OUT1 U1 LTC4353IDE OUT1 E3 11 13 CPO1 VIN1 VCC E2 16 EN1 R3 10K R4 OPT 14 CVCC 0.1uF B R6 OPT E5 R5 10K E4 GATE1 OUT1 VCC ONST1 10 J3 9 ONST1 GND B 15 17 GND EP ONST2 OUT2 CPO2 VIN2 6 4 8 ONST2 E6 7 GATE2 5 C2 0.056uF D4 CCLM3500 GATE2 VIN2 D2 LN1351C-TR 2 1 (GREEN) ON2 50V J4 D1 LN1351C-TR 2 1 (GREEN) ON1 12 EN1 1 2 EN2 3 NC NC EN2 D3 CCLM3500 GATE1 0.056uF 50V A J2 C1 VIN2 18V MAX 1 OUT2 J6 OUT2 C C M2 Si4126DY E7 E9 J5 NOTE: UNLESS OTHERWISE SPECIFIED GND 1. ALL RESISTORS AND CAPACITORS ARE 0805. E8 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. KIM T. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. VLADIMIR O. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. D THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 1 2 3 TECHNOLOGY TITLE: SCHEMATIC D DUAL IDEAL DIODE CONTROLLER SIZE IC NO. 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 DATE: LTC4353IDE REV. 1 DEMO CIRCUIT 1926A 12/09/2011, 09:36 AM 4 SHEET 1 5 OF 1