5 4 3 2 1 REVISION HISTORY ECO REV __ 2 DESCRIPTION APPROVED DATE PRODUCTION DAVID B. 02-25-13 J1 D VIN 4.5V - 16V D E1 VIN CIN2 10uF 25V 1210 CIN3 10uF 25V 1210 1 2 3 ON J2 OFF GND R11 45.3K JP2 MODE 0 2 3 61.9K E6 4 TRACK C6 0.1uF 5 6 E7 R3 80.6K C8 68pF R2 14.7K C2 27nF FREQ VIN GND SENSE SS CAP VFB RUN ITH VFBN 12 4 R10 0 11 Q1 SI7129DN C1 100pF 10 8 7 C5 0.47uF 16V J3 1 L1 10uH 919AS-100M R4 C4 OPT OPT E4 2 PDS540 5A 40V C3 390pF -5.2V / 1.7A OR -12V / 1.0A D1 C7 0.1uF 100V 0805 C VOUT 9 13 GND GATE 5 6 7 8 R1 PLL/MODE 1 2 3 U1 LTC3863EMSE 1 C R7 0.016 0.5W 1% 2010 R6 2 4 6 GND BURST 1 SYNC 3 SKIP 5 E3 CLKIN R8 100K JP3 RUN VOUT COUT1 33uF 16V 1812 COUT2 33uF 16V 1812 COUT6 OPT KE0 + GND CIN1 100uF 20V SANYO 20SVP100M COUT3 150uF 16V 7343 + E2 COUT5 150uF 16V 7343 + + COUT4 1uF 16V 0603 J4 GND E5 GND R9 523K 698K B 1 2 3 B R5 JP1 VOUT -5V -12V CUSTOMER NOTICE 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. A NOTE: UNLESS OTHERWISE SPECIFIED APPROVALS PCB DES. APP ENG. TECHNOLOGY LT DAVID B. 5 4 3 TITLE: SCHEMATIC 60V, LOW I Q INVERTING REGULATOR SIZE 1. ALL RESISTORS AND CAPACITORS ARE 0603. 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 N/A SCALE = NONE 2 DATE: IC NO. REV. LTC3863EMSE DEMO CIRCUIT 1737A Monday, February 25, 2013 2 SHEET 1 1 OF 1 A