5 4 3 2 1 REVISION HISTORY ECO REV __ DESCRIPTION 4 PRODUCTION E1 DATE 03-30-12 E11 VIN 1.6V - 36V E13 VIN C1 OPT 1206 VIN / ON 1 CON 2 3 DIS JP5 GND D APPROVED VLADIMIR O. ON FUNCTION 1 2 3 ON ACTIVE ON BLOCKED E2 4 7 C3 OPT R4 200K 5 R3 8 2 PB U1 10 200K E3 C2 0.1uF 0805 R19 10K JP1 R2 ON R1 1K 0603 5.1K TMR PERIOD 3 32MS 2 1 3.0S SW1 EVQPJS05K 1 NO_PB JP2 * VIN EN/EN SEL INT ON PGD PB KILL TMR GND GND EN/EN R5 OPT 3 E6 E7 1 PGD E9 9 KILL 6 R6 10K KILL TIE SEPARATE C4 0.47uF R7 OPT R8 100K 1 2 3 JP3 E5 LDO_OUT GND SHDN ADJ GND1 GND2 GND3 REF/BYP 6 5 7 4 8 C6 10nF 3 -INB + OUTB 400mV OUTA +INA + PGD INT D4 AMBER D3 RED 6 1 2 GND 2 3 4 U6 LT6700CS6-1 2 1 OUT R13 475 2 C5 1uF IN R12 475 1 1 5 D1 GREEN C GND 0.1uF LDO_OUT R10 49.9K U3 LT3060ETS8 VIN E4 E12 R11 475 2 E10 LDO_IN C8 2.2uF VIN 1 2 3 EXTERNAL R9 158K 1 C7 OPT LDO_IN JP4 LDO_OUT C9 VS C D E8 2 11 * INT R14 475 * 4 -INB EN/EN E6 R15,R16 R17,R18 U1 ASSY -A LTC2955IDDB-1 EN 100K OPT LTC2955IDDB-2 EN OPT 100K R18 * 3 1 D2 GREEN +INA OUTB 400mV OUTA + 6 1 * 2 -B R17 + 2 R16 B EN / EN VS * U7 LT6700CS6-1 GND * R15 5 INSTALL FOR ENABLE (TRUE) B INSTALL FOR ENABLE # 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 1. ALL RESISTORS ARE IN OHMS, 0402. ALL CAPACITORS ARE IN MICROFARADS, 0603. 5 THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 4 3 APPROVALS PCB DES. TECHNOLOGY LT APP ENG. VLADIMIR O. 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 PUSH BUTTON ON / OFF CONTROLLER WITH uP INTERRUPT SIZE N/A SCALE = NONE 2 DATE: IC NO. LTC2955IDDB-1 / -2 DEMO CIRCUIT 1836A Friday, March 30, 2012 SHEET 1 1 REV. 4 OF 1 A