5 4 3 2 1 REVISION HISTORY VIN VIN D GND GND CIN1 10uF 63V CIN3 OPT 100V 1210 E2 D5 B0530W GATE E10 LTC7860EMSE C10 22uF 1206 1 R1 2 OPT FREQ 3 C6 C 4 TMR 9 0.1uF C4 3.9pF 5% R4 0 Ohm Q2 Si7461DP C7 0.1uF 100V 0805 L1 6.8uH E11 XAL6060-682ME COILCRAFT D1 OPT D2 PDS5100-13 PowerDi5 SW C5 J4 R5 1.0M 1% 6 R2 10.0K 1% C2 680pF VFB E9 COUT1 10uF 25V 1812 3.5V-17V 5A COUT3 OPT 0603 COUT2 C9 + 10uF OPT 25V 7343 1812 E8 C 8 RUN ITH VOUT VOUT 0.47uF 5 R3 48.7K 1% Q1 OPT C1 100pF 5% 10 CAP D R8 11 SENSE SS DAVID B. 0 Ohm D3 MMSZ9V1T1G 1 VIN GND APPROVED 3/27/15 R6 12 GATE FREQ DATE PRODUCTION 0.012 2010 CIN2 2.2uF 100V 1210 U1 J5 DESCRIPTION 1 R7 E1 + REV 1 3.5V - 60V ECO J3 2 VIN J6 GND 7 VFBN GND C8 10pF 5% 13 R12 FREQ 0 Ohm VIN VOUT R10 0 Ohm R9 OPT 1 B D4 OPT R11 SHDN 1 OPT 2 3 B ON OFF 2 JP1 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. 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. A NOTE: UNLESS OTHERWISE SPECIFIED DAVID B. 1. ALL RESISTORS AND CAPACITORS ARE 0603. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 TECHNOLOGY LT LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY TITLE: SCHEMATIC HIGH VOLTAGE SURGE SUPPRESSOR WITH TIMER SIZE N/A SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 www.linear.com Phone: (408)432-1900 Fax: (408)434-0507 DATE: 2 IC NO. REV. LTC7860EMSE DEMO CIRCUIT 2239A Friday, March 27, 2015 1 SHEET 1 1 OF 1 A