B A REVISION HISTORY ECO REV 3 VIN 4.5V - 10V E1 + C15 OPT Q2 FDMC510P 8 7 6 5 3 2 1 C1 10uF 16V 1206 4.7uH IHLP2525CZER-4R7 DFLS220L 3 2 1 R16 C2 10uF 16V 1206 C13 OPT. 1206 R1 6.04K SHDN1 E3 VIN1 GATE1 22 VIN R6 3 PG1 SS1 100K 8-22-11 ** 12V @ 900mA OPT C16 22uF 16V 1206 C3 OPT 0603 2 4 C4 R5 8.06K 5 20 C5 C6 2.2nF 100pF 0.1uF JP1 19 SYNC SYNC1 RT1 E4 R9 23 100K 18 14 CLKOUT2 CLKOUT1 GND SYNC2 RT2 CLKOUT2 SS2 E6 VIN VIN 10 15 E7 VC2 GATE2 SHDN2 VIN2 C11 4.7uF 16V 1206 1 L2 10uH IHLP2525CZER-10R ** MAXIMUM COMBINED TWO CHANNEL FB2 SWB2 11 JP2 R8 80.6K 25 GND E5 16 R10 80.6K 17 C7 8 9 C12 L3 2.2uF 25V 0805 LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. NOTE: UNLESS OTHERWISE SPECIFIED 16.9K 2.2nF 100pF C14 OPT 0603 GATE2 R15 143K 1% 0603 VOUT2 E8 APPROVALS PCB DES. APP ENG. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. TECHNOLOGY JW MEHDI A. ** 1 -12V @ 625mA 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 DUAL 3A BOOST/INVERTING DC/DC CONVERTER SIZE ALL RESISTORS ARE 0402. ALL CAPACITORS ARE 0402. B C9 22uF 16V 1206 C10 10uH D3 IHLP2020BZER-10R DFLS130L CUSTOMER NOTICE OUTPUT POWER IS 15W, SEE QUICK START GUIDE. C8 R12 7 13 R14 OPT 0805 SWA2 VIN 12 3 PG2 100K SHDN2 INVERTING 1 ON 2 21 0.1uF R13 R11 232K 0805 OFF DATE VIN 6 SHDN1 VC1 R7 OPT 0805 3 OFF FB1 1 2 GATE1 R3 130K 1% 0603 24 SWA1 2 C17 4.7uF 16V 1206 BOOST VOUT1 D2 SWB1 GATE1 R4 232K 0805 1 U1 LT8582EDKD E9 ON 8 7 6 5 E2 0 1206 GND 2 MEHDI A. 4 R2 OPT D1 L1 APPROVED PRODUCTION 4 VIN Q1 FDMC510P DESCRIPTION IC NO. N/A SCALE = NONE DATE: REV. LT8582EDKD DEMO CIRCUIT 1734A 3 SHEET A 1 OF 1