5 4 3 VIN 6 E9 8 R12 200K 1% UVLO PFI D3 RED INT PB GND E15 2 B CAP JP2 PDT OPEN E5 E6 2. INSTALL SHUNT ON JP1-JP2 (1&2). 1 2 3 RST E8 PFO E10 INT PFO E11 KILL E12 INT RST KILL E14 GND CPDT 0.47UF 16V (TPDT = 3.0 SECONDS) CONTRACT NO. 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 CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 VM B NOTES: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN OHMS, 0603. EN C JP1 INT / KILL 1 UNTIE 2 3 TIE CUSTOMER NOTICE A GND (VM VTH = 2.33V) 13 1 ON/OFF D D4 GRN 2P6V INT 12 KILL 3 4 SW1 EVQPJS05K E4 2 D2 RED PFO R7 100 2P6V 1 1 R6 100K 1% 2 D1 AMBER RST R1 100 RST 10 PFO 9 PDT E13 R2 100K 1% R10 100 1 PB 5 R8 100K 1% R11 100 GND R13 26.7K 1% EN 11 VM 2 GND PFI 7 R3 365K 1% CO 0.47UF 16V U1 LTC2953CDD-1 R14 976K 1% E7 R4 105K 1% E2 TO MICROPROCESSOR (UVLO VTH = 2.65V) (PFI VTH = 3.00V) UVLO SHDN NC 3 GND 4 2 CPP 100PF 50V C 5 NC 9 RPP 1K NC 1 E3 7 R9 510K 6 2P6V 2 CVS 0.47UF 50V 0805 OUT 1 ADJ 2 IN 1 8 GND GND 1 U2 LT3010EMS8E 2.7V - 27V E1 VIN D 2 4 3 APPROVALS DRAWN: TECHNOLOGY KIM T. CHECKED: TITLE: SCHEMATIC DESIGNER: A PUSH BUTTON ON/OFF CONTROLLER APPROVED: ENGINEER: DILIAN R. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only WITH BATTERY AND SUPPLY MONITORING SIZE DWG NO. A DATE: DC1099A-2 * LTC2953CDD-1 Thursday, March 15, 2007 2 SHEET 1 1 REV A-2 OF 1